hort.net gallery contribution listing for Christopher P. Lindsey

Christopher P. Lindsey's gallery contributions (4690 photos)

Abelia chinensis (fruit)

Abelia x grandiflora (leaves)

Abelia x grandiflora (stems)

Abelia x grandiflora (flowers)

Abelia x grandiflora (fruit)

Abelia x grandiflora (fruit)

Abelia x grandiflora (fruit)

Abeliophyllum distichum (flowers)

Abeliophyllum distichum (flowers)

Abeliophyllum distichum (fruit)

Abeliophyllum distichum (fruit)

Abies alba (habit)

Abies alba (habit)

Abies alba (habit)

Abies alba (leaves)

Abies alba (leaves)

Abies alba (leaves)

Abies alba (leaves)

Abies balsamea (bark)

Abies bornmuelleriana (habit)

Abies cilicica (habit)

Abies cilicica (habit)

Abies concolor (habit)

Abies concolor 'Argentea' (habit)

Abies concolor 'Argentea' (leaves)

Abies concolor 'Candicans' (habit)

Abies concolor 'Candicans' (leaves)

Abies concolor 'Candicans' (leaves)

Abies concolor 'Candicans' (leaves)

Abies concolor 'Compacta' (habit)

Abies concolor 'Compacta' (habit)

Abies concolor 'Compacta' (habit)

Abies grandis (habit)

Abies holophylla (habit)

Abies holophylla (habit)

Abies homolepis (habit)

Abies homolepis (leaves)

Abies homolepis (leaves)

Abies koreana 'Hoerstmans Silberlocht' (habit)

Abies koreana var. prostrata (habit)

Abies koreana var. prostrata (habit)

Abies lasiocarpa var. arizonica (habit)

Abies lasiocarpa var. arizonica (habit)

Abies lasiocarpa var. arizonica (leaves)

Abies lasiocarpa var. arizonica (leaves)

Abies lasiocarpa var. arizonica (leaves)

Abies magnifica (habit)

Abies magnifica (habit)

Abies magnifica (leaves)

Abies magnifica (bark)

Abies magnifica (bark)

Abies nordmanniana (habit)

Abies nordmanniana (habit)

Abies nordmanniana (habit)

Abies nordmanniana (leaves)

Abies nordmanniana (leaves)

Abies sibirica (habit)

Abutilon 'Moonchimes' (flowers)

Abutilon 'Moonchimes' (flowers)

Abutilon 'Satin Pink Belle' (flowers)

Abutilon 'Satin Pink Belle' (flowers)

Abutilon 'Snowfall' (flowers)

Abutilon pictum 'Thompsonii' (flowers)

Acalypha wilkesiana 'Beyond Paradise' (habit)

Acalypha wilkesiana 'Beyond Paradise' (habit)

Acalypha wilkesiana 'Fire Dragon' (leaves)

Acanthopanax divaricatus (leaves)

Acanthopanax divaricatus (fruit)

Acanthopanax henryi (leaves)

Acanthus balcanicus (habit)

Acanthus balcanicus (flowers)

Acanthus balcanicus (flowers)

Acer argutum (leaves)

Acer argutum (leaves)

Acer buergerianum (habit)

Acer campestre (leaves)

Acer campestre (leaves)

Acer campestre (fruit)

Acer carpinifolium (habit)

Acer carpinifolium (leaves)

Acer crataegifolium (leaves)

Acer crataegifolium (leaves)

Acer davidii (leaves)

Acer davidii (bark)

Acer diabolicum (flowers)

Acer diabolicum (fruit)

Acer diabolicum (fall color)

Acer diabolicum (fall color)

Acer diabolicum (fall color)

Acer ginnala (leaves)

Acer ginnala (fruit)

Acer ginnala (fruit)

Acer ginnala (fall color)

Acer ginnala (fall color)

Acer ginnala (bark)

Acer ginnala 'Durand Dwarf' (habit)

Acer ginnala 'Durand Dwarf' (leaves)

Acer ginnala 'Red Fruit' (fruit)

Acer ginnala 'Red Fruit' (fruit)

Acer grandidentatum (leaves)

Acer griseum (leaves)

Acer griseum (leaves)

Acer griseum (bark)

Acer griseum (bark)

Acer griseum (bark)

Acer griseum (bark)

Acer macrophyllum (leaves)

Acer macrophyllum (leaves)

Acer macrophyllum (fruit)

Acer mandschuricum (leaves)

Acer miyabei (habit)

Acer miyabei (habit)

Acer miyabei (leaves)

Acer miyabei (leaves)

Acer miyabei (fruit)

Acer miyabei (fall color)

Acer miyabei (fall color)

Acer miyabei (bark)

Acer mono (fall color)

Acer negundo 'Flamingo' (habit)

Acer negundo 'Flamingo' (leaves)

Acer negundo 'Flamingo' (leaves)

Acer palmatum (flowers)

Acer palmatum (fall color)

Acer palmatum (fall color)

Acer palmatum (fall color)

Acer palmatum (fall color)

Acer palmatum (fall color)

Acer palmatum 'Bloodgood' (habit)

Acer palmatum 'Kasagiyama' (habit)

Acer palmatum 'Kasagiyama' (leaves)

Acer palmatum 'Kasagiyama' (leaves)

Acer palmatum 'Scolopendrifolium' (habit)

Acer palmatum 'Scolopendrifolium' (habit)

Acer palmatum 'Scolopendrifolium' (fall color)

Acer palmatum 'Tobosho' (habit)

Acer palmatum forma atropurpureum (habit)

Acer palmatum forma atropurpureum (leaves)

Acer palmatum forma atropurpureum (fall color)

Acer palmatum var. dissectum (habit)

Acer palmatum var. dissectum (fall color)

Acer palmatum var. dissectum 'Crimson Queen' (habit)

Acer palmatum var. dissectum 'Garnet' (habit)

Acer palmatum var. dissectum 'Red Select' (habit)

Acer pensylvanicum (bark)

Acer platanoides 'Crimson King' (leaves)

Acer platanoides 'Deborah' (habit)

Acer platanoides 'Emerald Lustre' (habit)

Acer platanoides 'Emerald Lustre' (leaves)

Acer platanoides 'Globosum' (habit)

Acer platanoides 'Globosum' (habit)

Acer platanoides 'Royal Red' (habit)

Acer platanoides 'Royal Red' (leaves)

Acer platanoides 'Schwedleri' (leaves)

Acer pseudosieboldianum (leaves)

Acer pseudosieboldianum (leaves)

Acer pseudosieboldianum (fall color)

Acer rubrum (fall color)

Acer rubrum 'Red Sunset' (habit)

Acer rubrum 'Red Sunset' (habit)

Acer rubrum 'Red Sunset' (habit)

Acer rubrum 'Red Sunset' (fall color)

Acer rubrum 'Red Sunset' (fall color)

Acer rubrum 'Schlessingeri' (habit)

Acer rufinerve 'Hatsuyuki' (leaves)

Acer rufinerve 'Hatsuyuki' (leaves)

Acer saccharinum (habit)

Acer saccharinum 'Laciniatum' (leaves)

Acer saccharum (habit)

Acer saccharum (fall color)

Acer saccharum (fall color)

Acer saccharum (fall color)

Acer saccharum (fall color)

Acer saccharum (fall color)

Acer saccharum 'Arrowhead' (habit)

Acer saccharum 'Goldspire' (habit)

Acer saccharum 'Green Mountain' (habit)

Acer saccharum 'Green Mountain' (leaves)

Acer saccharum 'Legacy' (fall color)

Acer saccharum 'Natchez' (habit)

Acer saccharum 'Natchez' (habit)

Acer saccharum 'Natchez' (fall color)

Acer saccharum 'Natchez' (fall color)

Acer saccharum 'Newton Sentry' (fall color)

Acer saccharum 'Seneca Chief' (fall color)

Acer saccharum 'Sweet Shadow' (habit)

Acer saccharum 'Sweet Shadow' (leaves)

Acer saccharum 'Sweet Shadow' (fall color)

Acer saccharum 'Sweet Shadow' (fall color)

Acer saccharum 'Sweet Shadow' (fall color)

Acer saccharum ssp. nigrum (habit)

Acer spicatum (leaves)

Acer tataricum (leaves)

Acer triflorum (leaves)

Acer triflorum (flowers)

Acer triflorum (flowers)

Acer triflorum (fruit)

Acer triflorum (fall color)

Acer triflorum (fall color)

Acer triflorum (bark)

Achillea 'Anthea' (habit)

Achillea 'Anthea' (flowers)

Achillea 'Anthea' (flowers)

Achillea 'Pretty Belinda' (habit)

Achillea 'Pretty Belinda' (flowers)

Achillea 'Pretty Belinda' (flowers)

Achillea 'Pretty Belinda' (flowers)

Achillea filipendula 'Carter's Yellow' (habit)

Achillea filipendula 'Carter's Yellow' (flowers)

Achillea millefolium 'Heidi' (habit)

Achillea millefolium 'Paprika' (flowers)

Achillea millefolium 'Paprika' (flowers)

Achillea ptarmica 'Ballerina' (flowers)

Achillea siberica 'Kamtschaticum' (habit)

Achillea siberica 'Kamtschaticum' (flowers)

Achillea siberica 'Kamtschaticum' (flowers)

Achillea tomentosa 'Moonshine' (flowers)

Aconitum napellus (flowers)

Aconitum napellus (flowers)

Acorus calamus (flowers)

Actaea erythrocarpa (fruit)

Actaea pachypoda (fruit)

Actaea rubra (flowers)

Actaea rubra (flowers)

Actaea rubra (fruit)

Actinidia arguta (leaves)

Actinidia arguta (leaves)

Actinidia arguta (fall color)

Actinidia kolomikta (leaves)

Actinidia kolomikta (leaves)

Actinidia kolomikta (flowers)

Actinidia kolomikta (flowers)

Actinidia polygama (leaves)

Actinidia polygama (leaves)

Actinidia polygama (leaves)

Adiantum aleuticum (habit)

Adiantum aleuticum (habit)

Adiantum aleuticum (leaves)

Adiantum pedatum (leaves)

Adiantum pedatum (leaves)

Adiantum peruvianum (habit)

Adiantum tenerum 'Farleyense' (flowers)

Aegopdium podagraria 'Variegatum' (habit)

Aeonium arboreum var. atropurpureum 'Schwarzkopf' (habit)

Aeonium arboreum var. atropurpureum 'Schwarzkopf' (flowers)

Aesculus glabra (habit)

Aesculus glabra (flowers)

Aesculus glabra (flowers)

Aesculus glabra var. arguta (habit)

Aesculus glabra var. arguta (flowers)

Aesculus glabra var. arguta (flowers)

Aesculus hippocastanum (habit)

Aesculus hippocastanum (habit)

Aesculus hippocastanum (flowers)

Aesculus octandra (habit)

Aesculus octandra (leaves)

Aesculus octandra (flowers)

Aesculus octandra (flowers)

Aesculus octandra (flowers)

Aesculus octandra (bark)

Aesculus parviflora (habit)

Aesculus parviflora (habit)

Aesculus parviflora (flowers)

Aesculus parviflora (flowers)

Aesculus parviflora (flowers)

Aesculus parviflora (fruit)

Aesculus parviflora var. serotina 'Rogers' (habit)

Aesculus parviflora var. serotina 'Rogers' (flowers)

Aesculus parviflora var. serotina 'Rogers' (flowers)

Aesculus pavia (habit)

Aesculus pavia (habit)

Aesculus pavia (leaves)

Aesculus pavia (flowers)

Aesculus pavia (flowers)

Aesculus pavia (flowers)

Aesculus pavia (fall color)

Aesculus turbinata (habit)

Aesculus turbinata (leaves)

Aesculus turbinata (stems)

Aesculus turbinata (flowers)

Aesculus turbinata (fall color)

Aesculus turbinata (fall color)

Aesculus x carnea (flowers)

Aesculus x carnea (flowers)

Aesculus x carnea (flowers)

Aesculus x carnea (flowers)

Aesculus x carnea 'Briotii' (flowers)

Aesculus x carnea 'Briotii' (flowers)

Aesculus x carnea 'Briotii' (flowers)

Agastache barberi 'Tutti Frutti' (flowers)

Agastache cana 'Heather Queen' (flowers)

Agastache foeniculum 'Golden Jubilee' (habit)

Agastache foeniculum 'Golden Jubilee' (flowers)

Agastache x 'Blue Fortune' (flowers)

Agave americana (habit)

Agave americana (habit)

Agave americana (habit)

Agave guiengola 'Creme Brulee' (habit)

Agave guiengola 'Creme Brulee' (leaves)

Agave spp. (habit)

Ageratum 'Blue Hawaii' (habit)

Ageratum 'Blue Hawaii' (flowers)

Ageratum houstonianum 'Pink Improved' (habit)

Ageratum houstonianum 'Pink Improved' (flowers)

Ajania pacifica (flowers)

Ajuga reptans (habit)

Ajuga reptans (flowers)

Akebia quinata (leaves)

Akebia quinata (leaves)

Akebia quinata (flowers)

Akebia quinata 'Rosea' (flowers)

Akebia quinata 'Silver Bells' (habit)

Akebia quinata 'Silver Bells' (flowers)

Akebia quinata 'Silver Bells' (flowers)

Akebia trifoliata (leaves)

Akebia trifoliata (flowers)

Albizia julibrissin (habit)

Albizia julibrissin (leaves)

Albizia julibrissin (leaves)

Albizia julibrissin (flowers)

Albizia julibrissin (flowers)

Albizia julibrissin (fruit)

Albizia julibrissin (bark)

Albizia julibrissin 'Ernest Wilson' (flowers)

Albizia julibrissin 'Ernest Wilson' (flowers)

Alcea 'Indian Summer' (flowers)

Alcea 'Indian Summer' (flowers)

Alcea rosea (flowers)

Alcea rosea (flowers)

Alcea rosea Chater's Double Group pink' (flowers)

Alcea rugosa (flowers)

Alcea rugosa (flowers)

Alcea rugosa (flowers)

Alchemilla mollis (habit)

Alchemilla mollis (leaves)

Alchemilla mollis (leaves)

Alchemilla mollis (flowers)

Alchemilla mollis (flowers)

Alchemilla mollis (flowers)

Alisma subcordatum (habit)

Alliaria petiolata (habit)

Alliaria petiolata (flowers)

Allium aflatunense 'Purple Sensation' (habit)

Allium aflatunense 'Purple Sensation' (flowers)

Allium caeruleum (flowers)

Allium caeruleum (flowers)

Allium caeruleum (flowers)

Allium cernuum (flowers)

Allium cernuum (flowers)

Allium christophii (habit)

Allium christophii (habit)

Allium moly (habit)

Allium moly (flowers)

Allium moly (flowers)

Allium moly (flowers)

Allium pulchellum (flowers)

Allium schoenoprasum (habit)

Allium schoenoprasum (flowers)

Allium schoenoprasum (flowers)

Allium schoenoprasum (flowers)

Allium senescens var. glaucum (habit)

Allium senescens var. glaucum (flowers)

Allium tanguticum 'Summer Beauty' (habit)

Allium tanguticum 'Summer Beauty' (habit)

Allium tanguticum 'Summer Beauty' (flowers)

Allium tanguticum 'Summer Beauty' (flowers)

Allium tanguticum 'Summer Beauty' (flowers)

Allium thunbergii 'Ozawa' (habit)

Allium tuberosum (habit)

Alnus cordata (leaves)

Alnus cordata (fruit)

Alnus glutinosa 'Pyramidalis' (habit)

Alnus maritima (leaves)

Alnus serrulata (habit)

Alnus serrulata (leaves)

Alnus serrulata (leaves)

Alternanthera dentata 'Purple Knight' (habit)

Alternanthera ficoidea 'White Carpet' (habit)

Amaranthus caudatus (flowers)

Ambrosia trifida (leaves)

Amelanchier arborea (leaves)

Amelanchier arborea (flowers)

Amelanchier arborea (flowers)

Amelanchier arborea (fall color)

Amelanchier canadensis (habit)

Amelanchier canadensis (flowers)

Amelanchier canadensis (flowers)

Amelanchier canadensis (flowers)

Amelanchier laevis (habit)

Amelanchier laevis (habit)

Amelanchier laevis (leaves)

Amelanchier laevis (flowers)

Amelanchier laevis (flowers)

Amelanchier laevis (fruit)

Amelanchier laevis (fruit)

Amelanchier laevis (bark)

Amelanchier stolonifera (habit)

Amelanchier x grandiflora (habit)

Amelanchier x grandiflora (habit)

Amelanchier x grandiflora (flowers)

Amelanchier x grandiflora (flowers)

Amelanchier x grandiflora (flowers)

Amelanchier x grandiflora 'Princess Diana' (habit)

Amelanchier x grandiflora 'Princess Diana' (fruit)

Amelanchier x grandiflora 'Robin Hill' (fall color)

Amorpha canescens (leaves)

Amorpha canescens (flowers)

Amorpha fruticosa (flowers)

Amorpha fruticosa (flowers)

Amorpha fruticosa (fall color)

Amsonia 'Blue Ice' (flowers)

Amsonia hubrichtii (habit)

Amsonia hubrichtii (habit)

Amsonia hubrichtii (fall color)

Amsonia hubrichtii (fall color)

Amsonia montana 'Short Stack' (habit)

Amsonia montana 'Short Stack' (flowers)

Amsonia tabernaemontana (flowers)

Anagalis monellii 'Sky Lover' (flowers)

Anagalis monellii 'Sky Lover' (flowers)

Anagalis monellii 'Sky Lover' (flowers)

Anaphalis margaritacea (habit)

Andropogon gerardii (habit)

Andropogon gerardii (leaves)

Andropogon scoparius (habit)

Andropogon scoparius 'True Blue' (habit)

Anemone blanda (habit)

Anemone blanda (flowers)

Anemone hupehensis 'September Charm' (habit)

Anemone hupehensis 'September Charm' (flowers)

Anemone hupehensis 'September Charm' (flowers)

Anemone nemorosa 'Vestal' (habit)

Anemone nemorosa 'Vestal' (flowers)

Anemone nemorosa 'Vestal' (flowers)

Anemone pulsatilla (habit)

Anemone pulsatilla (habit)

Anemone pulsatilla (flowers)

Anemone pulsatilla (fruit)

Anemone pulsatilla 'Alba' (habit)

Anemone pulsatilla 'Rubra' (habit)

Anemone pulsatilla 'Rubra' (flowers)

Anemone pulsatilla 'Rubra' (flowers)

Anemone pulsatilla 'Rubra' (flowers)

Anemone pulsatilla 'Rubra' (flowers)

Anemone tomentosa 'Robustissima' (habit)

Anemone tomentosa 'Robustissima' (flowers)

Anemone virginiana (habit)

Anemone virginiana (flowers)

Anemone virginiana (flowers)

Anemone 'Honorine Jobert' (habit)

Anemone 'Honorine Jobert' (flowers)

Anemonella thalictroides (flowers)

Anemonella thalictroides (flowers)

Anemonella thalictroides 'Semidouble White' (flowers)

Angelica lucida (habit)

Angelica lucida (flowers)

Anisodontea x hypomandarum (habit)

Anisodontea x hypomandarum (flowers)

Antennaria neglecta (flowers)

Antennaria neglecta (flowers)

Antennaria plantaginifolia (habit)

Anthemis tinctoria (habit)

Anthemis tinctoria (flowers)

Anthemis tinctoria 'Sauce Hollandaise' (flowers)

Anthurium 'Lola' (habit)

Anthurium 'Lola' (flowers)

Antirrhinum majus 'Liberty' (habit)

Antirrhinum majus 'Liberty' (flowers)

Antirrhinum majus 'Liberty' (flowers)

Apocynum sibiricum (flowers)

Apocynum sibiricum (flowers)

Aquilegia alpinum (flowers)

Aquilegia alpinum 'Alba' (flowers)

Aquilegia caerulea (flowers)

Aquilegia caerulea (flowers)

Aquilegia canadensis (flowers)

Aquilegia canadensis (flowers)

Aquilegia canadensis (flowers)

Aquilegia canadensis (flowers)

Aquilegia canadensis 'Corbet' (habit)

Aquilegia canadensis 'Corbet' (habit)

Aquilegia canadensis 'Corbet' (flowers)

Aquilegia canadensis 'Little Lanterns' (flowers)

Aquilegia chrysantha (flowers)

Aquilegia chrysantha (flowers)

Aquilegia chrysantha (flowers)

Aquilegia flabellata 'Mini-Star' (flowers)

Arabis caucasica 'Snow cap' (habit)

Arabis caucasica 'Snow cap' (flowers)

Arabis x arendsii 'Compinkie' (flowers)

Aralia spinosa (habit)

Aralia spinosa (leaves)

Aralia spinosa (leaves)

Aralia spinosa (flowers)

Arctostaphylos uva-ursi 'Vancouver Jade' (flowers)

Arctostaphylos uva-ursi 'Vancouver Jade' (flowers)

Ardisia elliptica (fruit)

Ardisia elliptica (fruit)

Argyranthemum frutescens 'Butterfly' (flowers)

Argyranthemum frutescens 'Butterfly' (flowers)

Argyranthemum frutescens 'Butterfly' (flowers)

Argyranthemum frutescens 'Summer Melody' (flowers)

Arisaema dracontium (leaves)

Arisaema dracontium (flowers)

Arisaema dracontium (flowers)

Arisaema dracontium (fruit)

Arisaema sazensoo (flowers)

Arisaema triphyllum (habit)

Arisaema triphyllum (flowers)

Arisaema triphyllum (fruit)

Arisaema triphyllum (fruit)

Aristolochia manshuriensis (flowers)

Aristolochia manshuriensis (flowers)

Armeria 'Bloodstone' (flowers)

Armeria maritima 'Splendens' (habit)

Aronia arbutifolia (flowers)

Aronia arbutifolia (flowers)

Aronia arbutifolia (fruit)

Aronia arbutifolia (fruit)

Aronia arbutifolia (fall color)

Aronia arbutifolia 'Erecta' (habit)

Aronia melanocarpa (leaves)

Aronia melanocarpa (flowers)

Aronia melanocarpa (flowers)

Aronia melanocarpa (flowers)

Aronia melanocarpa (fruit)

Aronia melanocarpa (fall color)

Aronia melanocarpa 'Elata' (habit)

Aronia x prunifolia (fruit)

Artemisia abrotanum (habit)

Artemisia stelleriana 'Silver Brocade' (habit)

Artemisia vulgaris 'Variegata' (leaves)

Artemisia vulgaris 'Variegata' (leaves)

Arum italicum ssp. italicum 'Marmoratum' (habit)

Aruncus aesthusifolius (habit)

Arundo donax 'Variegata' (habit)

Arundo donax 'Variegata' (leaves)

Asarum canadense (habit)

Asarum europaeum (habit)

Asarum minor 'Honeysong' (habit)

Asarum minor 'Honeysong' (leaves)

Asarum minor 'Honeysong' (leaves)

Asarum minor 'Honeysong' (leaves)

Asarum minor 'Honeysong' (leaves)

Asarum shuttleworthii (leaves)

Asarum speciosum 'Woodlander's Select' (flowers)

Asclepias curassavica 'Red Butterfly' (flowers)

Asclepias incarnata (flowers)

Asclepias tuberosa (flowers)

Asclepias tuberosa (flowers)

Asclepias tuberosa (flowers)

Asclepias tuberosa (flowers)

Asclepias tuberosa (flowers)

Asclepias tuberosa (fruit)

Asclepias verticillata (flowers)

Asimina triloba (habit)

Asimina triloba (habit)

Asimina triloba (leaves)

Asimina triloba (flowers)

Asimina triloba (fruit)

Asimina triloba (fruit)

Asimina triloba (fruit)

Asimina triloba (fruit)

Asimina triloba (fruit)

Asimina triloba (fruit)

Asimina triloba (fall color)

Aster 'Purple Dome' (habit)

Aster 'Purple Dome' (habit)

Aster 'Purple Dome' (flowers)

Aster 'Purple Dome' (flowers)

Aster 'Purple Dome' (flowers)

Aster 'Wartburg Star' (flowers)

Aster dumosus (flowers)

Aster dumosus 'Rosenwichtel' (habit)

Aster dumosus 'Rosenwichtel' (flowers)

Aster dumosus 'Rosenwichtel' (flowers)

Aster linariifolius (habit)

Aster novae-angliae (flowers)

Aster novae-angliae (flowers)

Aster novae-angliae (flowers)

Aster novae-angliae (flowers)

Aster novae-angliae 'Alma Potschke' (habit)

Aster novae-angliae 'Alma Potschke' (flowers)

Aster novae-angliae 'Alma Potschke' (flowers)

Aster novae-angliae 'Hella Lacy' (flowers)

Aster novae-angliae 'Hella Lacy' (flowers)

Aster oblongifolius 'Fanny' (habit)

Aster oblongifolius 'Raydon's Favorite' (habit)

Aster oblongifolius 'Raydon's Favorite' (habit)

Aster oblongifolius 'Raydon's Favorite' (flowers)

Aster oblongifolius 'Raydon's Favorite' (flowers)

Aster tataricus 'Jin Dai' (flowers)

Aster tataricus 'Jin Dai' (flowers)

Aster x frikartii 'Monch' (flowers)

Aster x frikartii 'Monch' (flowers)

Astilbe chinensis 'Pumila' (habit)

Astilbe chinensis 'Pumila' (flowers)

Athyrium filix-femina (habit)

Athyrium filix-femina (leaves)

Athyrium filix-femina (leaves)

Athyrium filix-femina var. filix-femina 'Minutissimum' (habit)

Athyrium filix-femina var. filix-femina 'Minutissimum' (habit)

Athyrium filix-femina var. filix-femina 'Victoriae' (leaves)

Athyrium filix-femina var. filix-femina 'Victoriae' (leaves)

Athyrium niponicum 'Ghost' (leaves)

Aubrieta deltoidea 'Cascade Red' (habit)

Aubrieta deltoidea 'Cascade Red' (flowers)

Aurinia saxatilis (habit)

Aurinia saxatilis (habit)

Averrhoa carambola (leaves)

Averrhoa carambola (leaves)

Baccharis halimifolia (flowers)

Bacopa 'Lavender Storm' (habit)

Bacopa 'Lavender Storm' (flowers)

Bacopa 'Olympic Gold' (flowers)

Bambusa multiplex 'Alphonse Karr' (habit)

Baptisia australis (habit)

Baptisia australis (flowers)

Baptisia australis (flowers)

Baptisia leucantha (habit)

Baptisia leucantha (flowers)

Baptisia leucantha (flowers)

Baptisia sphaerocarpa (habit)

Baptisia sphaerocarpa (flowers)

Baptisia sphaerocarpa 'Screamin' Yellow' (flowers)

Begonia 'Dragon Wing' (flowers)

Begonia 'On Top Sunset' (habit)

Begonia 'On Top Sunset' (flowers)

Begonia 'Party Scarlet' (flowers)

Begonia 'Passing Storm' (leaves)

Begonia grandis (habit)

Begonia grandis (flowers)

Begonia grandis (flowers)

Begonia rex 'Fireworks' (habit)

Begonia spp. (flowers)

Begonia x benariensis 'Big Red With Bronze Leaf' (habit)

Begonia x benariensis 'Big Red With Bronze Leaf' (habit)

Begonia x benariensis 'Whopper Red With Bronze Leaf' (habit)

Begonia x benariensis 'Whopper Red With Green Leaf' (habit)

Begonia x tuber (culture)

Belamcanda chinensis (flowers)

Bellis perennis (flowers)

Berberis 'Bailsel' (fruit)

Berberis koreana (habit)

Berberis koreana (leaves)

Berberis koreana (fruit)

Berberis thunbergii 'Atropurpurea Nana' (habit)

Berberis thunbergii 'Aurea' (habit)

Berberis thunbergii 'Aurea' (leaves)

Berberis thunbergii 'Bogozam' (habit)

Berberis thunbergii 'Bogozam' (habit)

Berberis thunbergii 'Bogozam' (leaves)

Berberis thunbergii 'Maria' (habit)

Berberis thunbergii 'Thornless' (fall color)

Berberis thunbergii 'Thornless' (fall color)

Berberis thunbergii var. atropurpurea 'Golden Ring' (leaves)

Berberis x gladwyensis 'William Penn' (flowers)

Berberis x julianae (leaves)

Berberis x julianae (leaves)

Berberis x julianae 'Nana' (habit)

Betula jacquemontii (habit)

Betula jacquemontii (leaves)

Betula jacquemontii (bark)

Betula lenta (fall color)

Betula lenta (fall color)

Betula nigra (leaves)

Betula nigra (fall color)

Betula nigra (bark)

Betula nigra (bark)

Betula nigra 'Heritage' (bark)

Betula papyrifera (habit)

Betula papyrifera (habit)

Betula papyrifera (bark)

Betula pendula 'Youngii' (habit)

Bidens aristosa (flowers)

Bidens ferulifolia 'BID 719' PP#22271 (Goldilocks Rocks®) (flowers)

Bidens ferulifolia 'BID 719' PP#22271 (Goldilocks Rocks®) (flowers)

Bidens ferulifolia 'BID 719' PP#22271 (Goldilocks Rocks®) (flowers)

Bidens ferulifolia 'Peter's Gold Carpet' (flowers)

Bidens ferulifolia 'Peter's Gold Carpet' (flowers)

Bidens laevis (habit)

Bidens laevis (flowers)

Bletilla striata (flowers)

Bletilla striata (flowers)

Bletilla striata 'Alba' (flowers)

Boltonia asteroides 'Snowbank' (habit)

Boltonia asteroides 'Snowbank' (habit)

Boltonia asteroides 'Snowbank' (flowers)

Boltonia asteroides 'Snowbank' (flowers)

Boltonia asteroides 'Snowbank' (flowers)

Borago officinalis (flowers)

Borago officinalis (flowers)

Bracteantha 'Flobrafla' (flowers)

Bracteantha 'Flobrafla' (flowers)

Bracteantha 'Flobrafla' (flowers)

Bracteantha 'Flobrafla' (flowers)

Brassica oleracea (Acephala group) (habit)

Brassica oleracea (Capitata group) (habit)

Brassica rapa var. chinensis 'Joi Choi' (habit)

Brassica rapa var. chinensis 'Joi Choi' (habit)

Breynia disticha 'Key West' (leaves)

Breynia disticha 'Key West' (leaves)

Broussonetia papyrifera 'Golden Shadow' (flowers)

Browallia americana (flowers)

Brugmansia rosea (flowers)

Brugmansia versicolor 'Peach Chandelier' (flowers)

Brugmansia versicolor 'Peach Chandelier' (flowers)

Brunnera macrophylla (habit)

Brunnera macrophylla (flowers)

Brunnera macrophylla (flowers)

Brunnera macrophylla 'Betty Bowring' (flowers)

Brunnera macrophylla 'Betty Bowring' (flowers)

Brunnera macrophylla 'Dawson's White' (habit)

Brunnera macrophylla 'Dawson's White' (leaves)

Brunnera macrophylla 'Dawson's White' (leaves)

Brunnera macrophylla 'Hadspen Cream' (leaves)

Brunnera macrophylla 'Jack Frost' (leaves)

Brunnera macrophylla 'Jack Frost' (leaves)

Brunnera macrophylla 'Langtrees' (flowers)

Brunnera macrophylla 'Langtrees' (flowers)

Buddleia alternifolia (habit)

Buddleia alternifolia (flowers)

Buddleia davidii (flowers)

Buddleia davidii 'Harlequin' (flowers)

Buddleia davidii 'Pink Delight' (habit)

Buxus 'Green Mound' (habit)

Buxus 'Green Mound' (habit)

Buxus 'Green Velvet' (habit)

Buxus 'Wilson' (habit)

Buxus microphylla (culture)

Buxus sempervirens 'Elegantissima' (leaves)

Buxus sempervirens 'Elegantissima' (leaves)

Buxus sempervirens 'Elegantissima' (leaves)

Caladium 'White Queen' (leaves)

Caladium spp. (leaves)

Calamogrostis x acutiflora 'Karl Foerster' (habit)

Calathea musaica (leaves)

Calathea musaica (leaves)

Calceolaria 'Goldie' (flowers)

Calceolaria 'Goldie' (flowers)

Calibrachoa 'Balcanrost' (flowers)

Calibrachoa 'Balcanrost' (flowers)

Calibrachoa 'Balcanrost' (flowers)

Calibrachoa 'Balcanrost' (flowers)

Calibrachoa 'Million Bells Cherry Pink' (flowers)

Calibrachoa 'Million Bells Cherry Pink' (flowers)

Calibrachoa 'Million Bells Purple' (flowers)

Calibrachoa 'Million Bells Terra Cotta' (flowers)

Calibrachoa 'Million Bells Yellow' (flowers)

Calibrachoa 'Million Bells' (habit)

Calibrachoa 'Million Bells' (flowers)

Calliandra haematocephala (flowers)

Calliandra haematocephala (flowers)

Callicarpa americana (fruit)

Callicarpa americana (fruit)

Callicarpa dichotoma (fruit)

Callicarpa dichotoma (fruit)

Callicarpa dichotoma 'Early Amethyst' (fruit)

Callicarpa dichotoma 'Early Amethyst' (fruit)

Callicarpa dichotoma 'Issai' (fruit)

Callicarpa dichotoma 'Issai' (fruit)

Callirhoe involucrata (flowers)

Callirhoe involucrata (flowers)

Callirhoe involucrata (flowers)

Callistemon lanceolata (habit)

Callistemon lanceolata (flowers)

Callistemon lanceolata (flowers)

Callistephus chinensis 'Seastar Mix' (flowers)

Callitropsis nootkatensis 'Pendula' (habit)

Caltha palustris (flowers)

Caltha palustris (flowers)

Calycanthus fertilis (fall color)

Calycanthus floridus (habit)

Calycanthus floridus (flowers)

Calycanthus floridus (flowers)

Calycanthus floridus (flowers)

Calylophus berlandieri 'Summer Gold' (flowers)

Camellia 'Debutante' (flowers)

Camellia 'Spring Mist' (flowers)

Camellia edithae 'Jinqu' (flowers)

Camellia japonica 'Alba Plena' (flowers)

Camellia japonica 'Carter's Sunburst' (flowers)

Camellia japonica 'Herme' (flowers)

Camellia japonica 'Lady Clare' (flowers)

Camellia japonica 'Lady Vansittart Red' (habit)

Camellia japonica 'Lady Vansittart Red' (flowers)

Camellia japonica 'Lady Vansittart Red' (flowers)

Campanula 'Kent Belle' (flowers)

Campanula 'Samantha' (flowers)

Campanula carpatica 'Blaue Clips' (flowers)

Campanula glomerata (flowers)

Campanula glomerata (flowers)

Campanula glomerata 'Joan Elliott' (flowers)

Campanula rapunculoides (flowers)

Campanula rapunculoides (flowers)

Campanula rotundifolia 'Olympica' (flowers)

Campanula rotundifolia 'Olympica' (flowers)

Campanula takesimana (habit)

Campanula takesimana (flowers)

Campanula takesimana (flowers)

Campsis radicans (flowers)

Campsis radicans (flowers)

Campsis radicans (flowers)

Canna 'Bengal Tiger' (habit)

Canna 'Bengal Tiger' (leaves)

Canna 'Bengal Tiger' (flowers)

Canna 'Cleopatra' (flowers)

Canna 'Cleopatra' (flowers)

Canna 'Pink Futurity' (habit)

Canna 'Pink Futurity' (flowers)

Canna 'Primrose Yellow' (habit)

Canna 'Primrose Yellow' (flowers)

Canna 'Tropicanna'® (habit)

Canna 'Tropicanna'® (habit)

Canna 'Tropicanna'® (flowers)

Canna 'Wyoming' (flowers)

Capsicum annuum 'Chilly Chili' (fruit)

Capsicum annuum 'Chilly Chili' (fruit)

Capsicum annuum 'NuMex Memorial Day' (fruit)

Capsicum annuum 'NuMex Memorial Day' (fruit)

Capsicum annuum 'NuMex Memorial Day' (fruit)

Capsicum annuum 'NuMex Summer Solstice' (fruit)

Capsicum annuum 'NuMex Summer Solstice' (fruit)

Capsicum annuum 'NuMex Summer Solstice' (fruit)

Caragana arborescens (flowers)

Caragana pygmaea (flowers)

Carex 'Grasshopper' (habit)

Carex conica 'Hime Kansugi' (habit)

Carex conica 'Snowline' (habit)

Carex elata 'Bowle's Golden' (habit)

Carex morrowii 'Ice Dance' (habit)

Carex ornithopoda 'Variegata' (habit)

Carex oshimensis 'Evergold' (habit)

Carex pendula (habit)

Carex siderosticha 'Shima-nishiki' (habit)

Carex siderosticha 'Spring Snow' (habit)

Carica papaya (flowers)

Carica papaya (flowers)

Carica papaya (fruit)

Carpinus betulus (fall color)

Carpinus betulus 'Columnaris' (habit)

Carpinus cordata (leaves)

Carpinus japonica (fruit)

Carpinus japonica (fruit)

Carya laciniosa (fall color)

Carya ovata (fall color)

Carya ovata (fall color)

Caryopteris x clandonensis (flowers)

Caryopteris x clandonensis 'Worcester Gold' (habit)

Cassia fasciculata (flowers)

Cassia hebecarpa (flowers)

Cassia hebecarpa (flowers)

Cassia hebecarpa (fruit)

Castanea dentata (habit)

Castanea dentata (habit)

Castanea dentata (leaves)

Castanea dentata (leaves)

Castanea dentata (fruit)

Castanea dentata (fruit)

Castanea dentata (fruit)

Castanea dentata (fall color)

Castanea dentata (fall color)

Castanea mollissima (habit)

Castanea mollissima (leaves)

Castanea mollissima (flowers)

Castanea mollissima (fruit)

Castanea mollissima (fruit)

Castanea mollissima (fall color)

Catharanthus 'Mediterranean XP Cherry Halo' (flowers)

Catharanthus 'Mediterranean XP Cherry Halo' (flowers)

Catharanthus 'Mediterranean XP Rose Halo' (flowers)

Catharanthus 'Mediterranean XP Rose Halo' (flowers)

Catharanthus 'Mediterranean XP Rose' (flowers)

Catharanthus 'PAS926830' (flowers)

Catharanthus roseus 'Boa Peppermint' (flowers)

Catharanthus roseus 'Cobra Apricot' (flowers)

Catharanthus roseus 'Cobra Apricot' (flowers)

Catharanthus roseus 'Cobra Rose' (flowers)

Catharanthus roseus 'Cobra Rose' (flowers)

Catharanthus roseus 'Cobra Rose' (flowers)

Catharanthus roseus 'Cooler Raspberry Red' (habit)

Catharanthus roseus 'Cooler Raspberry Red' (flowers)

Catharanthus roseus 'Cora Cascade Peach Blush' (flowers)

Catharanthus roseus 'Cora Cascade Peach Blush' (flowers)

Catharanthus roseus 'Cora Strawberry' (habit)

Catharanthus roseus 'Cora Strawberry' (flowers)

Catharanthus roseus 'Cora Strawberry' (flowers)

Catharanthus roseus 'Pacifica Apricot' (flowers)

Catharanthus roseus 'Pacifica Apricot' (flowers)

Catharanthus roseus 'Pacifica Deep Orchid' (habit)

Catharanthus roseus 'Pacifica Deep Orchid' (flowers)

Catharanthus roseus 'Pacifica Lilac' (flowers)

Catharanthus roseus 'Pacifica Peach' (flowers)

Catharanthus roseus 'Pacifica Red' (flowers)

Catharanthus roseus 'Solar Red' (flowers)

Catharanthus roseus 'Sunstorm Blush' (flowers)

Catharanthus roseus 'Sunstorm Blush' (flowers)

Catharanthus roseus 'Sunstorm Deep Lilac' (flowers)

Catharanthus roseus 'Sunstorm Violet with Eye' (flowers)

Catharanthus roseus 'Sunstorm Violet with Eye' (flowers)

Catharanthus roseus 'Sunstorm Violet with Eye' (flowers)

Catharanthus roseus 'Titan Icy Pink' (flowers)

Catharanthus roseus 'Titan Icy Pink' (flowers)

Catharanthus roseus 'Titan Icy Pink' (flowers)

Catharanthus roseus 'Titan Rose Halo' (habit)

Catharanthus roseus 'Titan Rose Halo' (flowers)

Catharanthus roseus 'Titan Rose Halo' (flowers)

Catharanthus roseus 'Victory Carmine' (flowers)

Catharanthus roseus 'Victory Carmine' (flowers)

Catharanthus roseus 'Victory Pure White' (flowers)

Catharanthus roseus 'Victory Pure White' (flowers)

Catheranthus roseus (flowers)

Ceanothus americanus (leaves)

Ceanothus americanus (flowers)

Ceanothus americanus (flowers)

Ceanothus americanus (flowers)

Ceanothus americanus (fruit)

Ceanothus obovatus (flowers)

Cedrus atlantica 'Glauca' (habit)

Cedrus atlantica 'Glauca' (leaves)

Cedrus deodara (habit)

Cedrus deodara (leaves)

Cedrus deodara (leaves)

Cedrus deodara 'Silver Mist' (habit)

Cedrus deodara 'Silver Mist' (leaves)

Cedrus libani (habit)

Cedrus libani (leaves)

Cedrus libani var. stenocoma (habit)

Celastrus scandens (leaves)

Celastrus scandens (fruit)

Celastrus scandens (fruit)

Celosia argentea 'Pink Candle' (habit)

Celosia argentea 'Pink Candle' (flowers)

Celosia argentea 'Purple Flamingo' (habit)

Celosia cristata 'Prestige Scarlet' (habit)

Celosia cristata 'Prestige Scarlet' (flowers)

Centaurea cineraria 'Colchester White' (habit)

Centaurea montana (habit)

Centaurea montana (flowers)

Centranthus ruber 'Coccineus' (habit)

Centranthus ruber 'Coccineus' (flowers)

Centranthus ruber 'Coccineus' (flowers)

Centranthus ruber 'Coccineus' (flowers)

Centranthus ruber 'Coccineus' (flowers)

Centratherum intermedium 'Brazilian Button' (flowers)

Cephalanthus occidentalis (flowers)

Cephalaria gigantea (flowers)

Cephalocereus senilis (habit)

Cephalotaxus harringtonia (habit)

Cephalotaxus harringtonia 'Prostrata' (habit)

Cephalotaxus harringtonia var. drupacea 'Duke Gardens' (habit)

Cerastium tomentosum (flowers)

Cerastium tomentosum (flowers)

Ceratostigma plumbaginoides (flowers)

Ceratostigma plumbaginoides (flowers)

Cercidiphyllum japonicum (fall color)

Cercidiphyllum japonicum (bark)

Cercidiphyllum japonicum 'Amazing Grace' (habit)

Cercidiphyllum japonicum 'Amazing Grace' (fall color)

Cercis canadensis (habit)

Cercis canadensis (habit)

Cercis canadensis (habit)

Cercis canadensis (habit)

Cercis canadensis (habit)

Cercis canadensis (flowers)

Cercis canadensis (flowers)

Cercis canadensis (fall color)

Cercis canadensis 'Alba' (habit)

Cercis canadensis 'Alba' (flowers)

Cercis canadensis 'Appalachian Red' (flowers)

Cercis canadensis 'Appalachian Red' (flowers)

Cercis canadensis 'Forest Pansy' (leaves)

Cercis canadensis 'Forest Pansy' (leaves)

Cercis canadensis 'Royal White' (habit)

Cercis canadensis 'Tennessee Pink' (flowers)

Cercis canadensis 'Tennessee Pink' (flowers)

Cercis canadensis 'Tennessee Pink' (flowers)

Cercis canadensis 'Tennessee Pink' (flowers)

Cercis chinensis (habit)

Cercis chinensis (habit)

Cercis mexicana (flowers)

Cercis mexicana (flowers)

Cereus jamacaru (habit)

Chaenomeles japonica (leaves)

Chaenomeles japonica (flowers)

Chaenomeles japonica 'Cameo' (flowers)

Chaenomeles speciosa (leaves)

Chaenomeles speciosa (leaves)

Chaenomeles speciosa (flowers)

Chaenomeles speciosa (flowers)

Chaenomeles speciosa (fall color)

Chaenomeles speciosa 'Falconet Charlet' (habit)

Chaenomeles speciosa 'Falconet Charlet' (flowers)

Chaenomeles speciosa 'Nivalis' (flowers)

Chaenomeles speciosa 'Pink Beauty' (flowers)

Chaenomeles speciosa 'Simonii' (flowers)

Chaenomeles speciosa 'Simonii' (flowers)

Chaenomeles speciosa 'Toyo-Nishiki' (flowers)

Chaenomeles x superba 'Hollandia' (flowers)

Chaenomeles x superba 'Hollandia' (flowers)

Chaenomeles x superba 'Jet Trail' (flowers)

Chaenomeles x superba 'Pink Lady' (habit)

Chaenomeles x superba 'Pink Lady' (flowers)

Chaenomeles x superba 'Rowellane' (flowers)

Chaenomeles x superba 'Rowellane' (flowers)

Chamaecyparis pisifera 'Filifera Aureavariegata' (habit)

Chamaecyparis pisifera 'Filifera Aureavariegata' (habit)

Chamaecyparis pisifera 'Filifera Aureavariegata' (leaves)

Chamaecyparis pisifera 'Filifera Aureavariegata' (leaves)

Chamaecyparis pisifera 'Gold Mop' (habit)

Chamaecyparis pisifera 'Gold Mop' (habit)

Chamaecyparis pisifera 'Gold Mop' (habit)

Chamaecyparis pisifera 'Gold Mop' (leaves)

Chamaecyparis pisifera 'Gold Spangles' (habit)

Chamaecyparis pisifera 'Lemon Thread' (habit)

Chamaecyparis pisifera 'Mops' (habit)

Chamaecyparis thyoides (culture)

Chamaemelum nobile (habit)

Chamaemelum nobile (flowers)

Chameerops humilis (habit)

Chasmanthium latifolium (fruit)

Chasmanthium latifolium (fruit)

Chasmanthium latifolium (fruit)

Chasmanthium latifolium (fruit)

Chelone obliqua (flowers)

Chelone obliqua (flowers)

Chiastophyllum oppositifolium (flowers)

Chionanthus virginicus (habit)

Chionanthus virginicus (leaves)

Chionanthus virginicus (flowers)

Chionanthus virginicus (flowers)

Chionanthus virginicus (fall color)

Chionodoxa luciliae (habit)

Chrysanthemum 'Country Girl' (flowers)

Chrysanthemum 'Country Girl' (flowers)

Chrysanthemum 'Emperor of China' (flowers)

Chrysanthemum 'Emperor of China' (flowers)

Chrysanthemum leucanthemum (flowers)

Chrysanthemum leucanthemum (flowers)

Chrysanthemum parthenium 'Snowball' (habit)

Chrysanthemum parthenium 'Snowball' (flowers)

Chrysanthemum x morifolium 'Venus' (habit)

Chrysanthemum x morifolium 'Venus' (flowers)

Chrysanthemum x superbum 'Becky' (habit)

Chrysanthemum x superbum 'Becky' (flowers)

Chrysogonum 'Allen Bush' (habit)

Chrysogonum 'Allen Bush' (flowers)

Chrysogonum 'Allen Bush' (flowers)

Chrysogonum 'Allen Bush' (flowers)

Chrysogonum 'Allen Bush' (flowers)

Cichorium intybus (habit)

Cichorium intybus (habit)

Cichorium intybus (flowers)

Cicuta maculata (flowers)

Cimicifuga japonica (flowers)

Cimicifuga racemosa (flowers)

Cimicifuga racemosa (flowers)

Cimicifuga racemosa 'Atropurpurea' (flowers)

Cimicifuga simplex 'White Pearl' (flowers)

Cladrastis lutea (habit)

Cladrastis lutea (flowers)

Cladrastis lutea (flowers)

Claytonia virginica (habit)

Claytonia virginica (habit)

Claytonia virginica (flowers)

Claytonia virginica (flowers)

Clematis 'Fascination' (flowers)

Clematis 'Fascination' (flowers)

Clematis 'Hagley Hybrid' (flowers)

Clematis 'Hagley Hybrid' (flowers)

Clematis 'Hagley Hybrid' (flowers)

Clematis 'Jackmanii' (flowers)

Clematis 'Margot Koster' (flowers)

Clematis 'Mrs. Robert Brydon' (flowers)

Clematis 'Mrs. Robert Brydon' (flowers)

Clematis 'Mrs. Robert Brydon' (flowers)

Clematis 'Mrs. Robert Brydon' (flowers)

Clematis 'Sir Trevor Lawrence' (flowers)

Clematis armandii (flowers)

Clematis armandii 'Apple Blossom' (flowers)

Clematis glauca (fruit)

Clematis heracleifolia (fruit)

Clematis heracleifolia 'China Purple' (flowers)

Clematis integrifolia (flowers)

Clematis integrifolia 'Olgae' (habit)

Clematis integrifolia 'Olgae' (flowers)

Clematis integrifolia 'Olgae' (flowers)

Clematis tangutica 'Radar Love' (habit)

Clematis tangutica 'Radar Love' (flowers)

Clematis tangutica 'Radar Love' (flowers)

Clematis viorna (flowers)

Clematis virginiana (habit)

Clematis virginiana (flowers)

Clematis virginiana (fruit)

Clematis viticella 'Betty Corning' (flowers)

Clematis viticella 'Betty Corning' (flowers)

Clematis viticella 'Betty Corning' (flowers)

Clematis viticella 'Betty Corning' (flowers)

Clematis viticella 'Kermesina' (habit)

Clematis viticella 'Kermesina' (flowers)

Clematis viticella 'Kermesina' (flowers)

Clematis viticella 'Little Nell' (habit)

Clematis viticella 'Little Nell' (flowers)

Clematis viticella 'Venosa Violaceae' (flowers)

Clematis x 'Henryi' (flowers)

Clematis x 'Huldine' (flowers)

Clematis x 'Star of India' (flowers)

Clematis x 'Star of India' (flowers)

Cleome hassleriana (habit)

Cleome hassleriana (flowers)

Cleome hassleriana (flowers)

Cleome hassleriana 'Senorita Rosalita' (flowers)

Clerodenrum indicum (fruit)

Clerodenrum indicum (fruit)

Clethra alnifolia (leaves)

Clethra alnifolia (flowers)

Clethra alnifolia var. rosea (flowers)

Clethra alnifolia var. rosea (flowers)

Cliftonia monophylla (habit)

Cliftonia monophylla (flowers)

Clivia miniata (flowers)

Collinsia verna (flowers)

Commelina erecta (flowers)

Conium maculatum (leaves)

Conopholis americana (habit)

Conopholis americana (flowers)

Convallaria majalis (flowers)

Convallaria majalis (flowers)

Convallaria majalis (fruit)

Cordyline indivisa (habit)

Cordyline indivisa (habit)

Coreopsis alpina 'Alba' (flowers)

Coreopsis auriculata 'Zamfir' (flowers)

Coreopsis auriculata 'Zamfir' (flowers)

Coreopsis grandiflora 'Early Sunrise' (habit)

Coreopsis grandiflora 'Early Sunrise' (flowers)

Coreopsis grandiflora 'Early Sunrise' (flowers)

Coreopsis grandiflora 'Rising Sun' (flowers)

Coreopsis grandiflora 'Rising Sun' (flowers)

Coreopsis lanceolata 'Sunburst' (flowers)

Coreopsis verticillata 'Moonbeam' (habit)

Coreopsis verticillata 'Moonbeam' (flowers)

Coreopsis verticillata 'Zagreb' (habit)

Cornus alba 'Alleman's Compact' (habit)

Cornus alba 'Argenteo-marginata' (leaves)

Cornus alba 'Bailhalo' (leaves)

Cornus alba 'Bailhalo' (leaves)

Cornus alba 'Bailhalo' (leaves)

Cornus alba 'Variegata' (habit)

Cornus alba 'Variegata' (leaves)

Cornus alba 'Variegata' (leaves)

Cornus alternifolia (habit)

Cornus alternifolia (leaves)

Cornus alternifolia (flowers)

Cornus alternifolia (flowers)

Cornus alternifolia (fruit)

Cornus alternifolia (fall color)

Cornus alternifolia 'WStackman' PP#11,287 (leaves)

Cornus alternifolia 'WStackman' PP#11,287 (leaves)

Cornus alternifolia 'WStackman' PP#11,287 (leaves)

Cornus canadensis (habit)

Cornus canadensis (leaves)

Cornus controversa (flowers)

Cornus controversa 'Variegata' (habit)

Cornus controversa 'Variegata' (leaves)

Cornus controversa 'Variegata' (leaves)

Cornus drummondii (habit)

Cornus drummondii (leaves)

Cornus drummondii (fruit)

Cornus florida (habit)

Cornus florida (habit)

Cornus florida (habit)

Cornus florida (habit)

Cornus florida (leaves)

Cornus florida (flowers)

Cornus florida (flowers)

Cornus florida (fruit)

Cornus florida (fruit)

Cornus florida (fruit)

Cornus florida (fall color)

Cornus florida (fall color)

Cornus florida 'Cherokee Brave' (flowers)

Cornus florida 'Cherokee Brave' (flowers)

Cornus florida 'Cherokee Chief' (habit)

Cornus florida 'Cherokee Daybreak' (leaves)

Cornus florida 'Cherokee Princess' (habit)

Cornus florida 'Cloud 9' (habit)

Cornus florida 'Cloud 9' (habit)

Cornus florida 'Cloud 9' (flowers)

Cornus florida 'First Lady' (habit)

Cornus florida 'First Lady' (flowers)

Cornus florida 'First Lady' (flowers)

Cornus florida 'Ozark Spring' (flowers)

Cornus florida 'Pluribracteata' (habit)

Cornus florida 'Pluribracteata' (habit)

Cornus florida 'Pluribracteata' (flowers)

Cornus florida 'Pluribracteata' (flowers)

Cornus florida 'Poinsett' (fruit)

Cornus florida 'Poinsett' (fall color)

Cornus florida 'Pygmy' (fall color)

Cornus florida 'Royal Red' (habit)

Cornus florida 'Royal Red' (flowers)

Cornus florida 'Royal Red' (flowers)

Cornus florida 'Spring Grove' (habit)

Cornus florida 'Spring Grove' (flowers)

Cornus florida 'Sterling Silver' (leaves)

Cornus florida 'Sterling Silver' (leaves)

Cornus florida 'Sweetwater Red' (habit)

Cornus florida 'Sweetwater Red' (flowers)

Cornus florida var. rubra (habit)

Cornus florida var. rubra (flowers)

Cornus kousa (habit)

Cornus kousa (flowers)

Cornus kousa (fruit)

Cornus kousa (fruit)

Cornus kousa (fruit)

Cornus kousa (fall color)

Cornus kousa 'Goldstar' (fall color)

Cornus kousa 'Goldstar' (fall color)

Cornus kousa 'Milky Way' (fall color)

Cornus macrophylla (habit)

Cornus macrophylla (leaves)

Cornus macrophylla (fall color)

Cornus mas (habit)

Cornus mas (habit)

Cornus mas (leaves)

Cornus mas (flowers)

Cornus mas (flowers)

Cornus mas (fruit)

Cornus mas (bark)

Cornus mas 'Variegata' (leaves)

Cornus mas 'Variegata' (leaves)

Cornus nuttallii (habit)

Cornus nuttallii (flowers)

Cornus nuttallii (flowers)

Cornus officinalis (habit)

Cornus officinalis (flowers)

Cornus sanguinea (fruit)

Cornus sanguinea (fruit)

Cornus sericea 'Baileyi' (flowers)

Cornus sericea 'Garden Glow' (habit)

Cornus sericea 'Garden Glow' (habit)

Cornus stolonifera (leaves)

Cornus x rutgersensis 'Rutdan' (flowers)

Cornus x rutgersensis 'Rutdan' (fall color)

Cornus x rutgersensis 'Rutgers Constellation' (habit)

Cornus x rutgersensis 'Rutgers Constellation' (flowers)

Cornus x rutgersensis 'Rutgers Constellation' (flowers)

Cornus x rutgersensis 'Rutlan' (flowers)

Cornus x rutgersensis 'Rutlan' (flowers)

Cortaderia selloana 'Gold Band' (habit)

Corydalis lutea (habit)

Corydalis lutea (flowers)

Corydalis lutea (flowers)

Corydalis ochroleuca (habit)

Corydalis solida (habit)

Corydalis solida (flowers)

Corydalis solida 'George P. Baker' (flowers)

Corylopsis glabrescens (flowers)

Corylopsis glabrescens (flowers)

Corylopsis glabrescens (flowers)

Corylopsis glabrescens (flowers)

Corylopsis glabrescens (flowers)

Corylopsis sinensis (habit)

Corylopsis sinensis (flowers)

Corylopsis sinensis (flowers)

Corylopsis spicata (flowers)

Corylopsis spicata (flowers)

Corylus americana (leaves)

Corylus americana (fruit)

Corylus avellana 'Contorta' (flowers)

Corylus avellana 'Contorta' (fall color)

Corylus colurna (flowers)

Corylus colurna (flowers)

Corylus fargesii (bark)

Corylus fargesii (bark)

Cosmos bipinnatus (flowers)

Cotinus coggygria 'Ancot' (Golden Spirit™) (habit)

Cotinus coggygria 'Daydream' (habit)

Cotinus coggygria 'Daydream' (flowers)

Cotinus coggygria 'Royal Purple' (flowers)

Cotinus obovatus (leaves)

Cotinus obovatus (leaves)

Cotoneaster 'Hessei' (habit)

Cotoneaster 'Hessei' (habit)

Cotoneaster divaricatus (habit)

Cotoneaster divaricatus (fruit)

Cotoneaster divaricatus (fruit)

Cotoneaster divaricatus (fruit)

Cotoneaster franchetti var. sternianus (habit)

Cotoneaster franchetti var. sternianus (fruit)

Cotoneaster franchetti var. sternianus (fruit)

Cotoneaster franchetti var. sternianus (fruit)

Cotoneaster multiflorus (habit)

Cotoneaster multiflorus (flowers)

Cotoneaster salicifolia (habit)

Crambe cordifolia (flowers)

Crassula ovata (habit)

Crataegus arkansana (fruit)

Crataegus crusgalli (habit)

Crataegus crusgalli (leaves)

Crataegus crusgalli (flowers)

Crataegus crusgalli (flowers)

Crataegus crusgalli (flowers)

Crataegus crusgalli (fruit)

Crataegus crusgalli (fruit)

Crataegus crusgalli (fruit)

Crataegus crusgalli (fruit)

Crataegus crusgalli (fruit)

Crataegus crusgalli (fruit)

Crataegus crusgalli (fall color)

Crataegus crusgalli (bark)

Crataegus phaenopyrum (fruit)

Crataegus phaenopyrum (fruit)

Crataegus phaenopyrum (fruit)

Crataegus phaenopyrum (fruit)

Crataegus phaenopyrum (bark)

Crataegus poliophylla (habit)

Crataegus poliophylla (flowers)

Crataegus poliophylla (flowers)

Crataegus viridis 'Winter King' (habit)

Crataegus viridis 'Winter King' (habit)

Crataegus viridis 'Winter King' (fruit)

Crataegus viridis 'Winter King' (fruit)

Crataegus viridis 'Winter King' (fruit)

Crataegus viridis 'Winter King' (fruit)

Crataegus viridis 'Winter King' (bark)

Crataegus x lavallei (leaves)

Crataegus x lavallei (flowers)

Crataegus x lavallei (flowers)

Crataegus x lavallei (fruit)

Crataegus x lavallei (bark)

Crocosmia x crocosmiiflora 'Lucifer' (habit)

Crocosmia x crocosmiiflora 'Lucifer' (flowers)

Crocosmia x crocosmiiflora 'Lucifer' (flowers)

Crocus 'Cream Beauty' (habit)

Crocus 'Cream Beauty' (habit)

Crocus 'Cream Beauty' (habit)

Crocus 'Cream Beauty' (habit)

Crocus 'Cream Beauty' (habit)

Crocus 'Remembrance' (habit)

Crocus 'Remembrance' (habit)

Crocus 'Remembrance' (flowers)

Crocus 'Remembrance' (flowers)

Crocus 'Snow-bunting' (habit)

Crocus 'Snow-bunting' (flowers)

Crocus chrysanthus 'E. P. Bowles' (habit)

Crocus chrysanthus 'E. P. Bowles' (habit)

Crocus flavus 'Golden Yellow' (habit)

Crocus flavus 'Golden Yellow' (habit)

Crocus flavus 'Golden Yellow' (habit)

Crocus flavus 'Golden Yellow' (flowers)

Crocus spp. (habit)

Crocus tommasinianus (habit)

Crocus tommasinianus (flowers)

Crocus tommasinianus (flowers)

Crotalaria spectabilis (flowers)

Crotalaria spectabilis (flowers)

Croton alabamensis (leaves)

Croton alabamensis (flowers)

Cucurbita pepo var. medullosa (fruit)

Cunninghamia lanceolata (habit)

Cunninghamia lanceolata (leaves)

Cunninghamia lanceolata (leaves)

Cuphea hyssopifolia (habit)

Cupressocyparis leylandii 'Gold' (habit)

Cyclamen 'Laser White' (habit)

Cyclamen 'Laser White' (habit)

Cyclamen 'Laser White' (flowers)

Cyclamen 'Sierra Scarlet' (habit)

Cyclamen 'Sierra Scarlet' (flowers)

Cydonia oblonga 'Aromatnaya' (flowers)

Cymbopogon citratus (habit)

Cynara cardunculus (habit)

Cynara cardunculus (flowers)

Cypripedium calceolus (habit)

Cypripedium calceolus (flowers)

Cypripedium calceolus (flowers)

Cypripedium reginae (habit)

Cypripedium reginae (flowers)

Cypripedium reginae (flowers)

Cytisus decumbens (habit)

Cytisus decumbens (flowers)

Cytisus hirsutus (habit)

Cytisus hirsutus (flowers)

Dahlia 'Babylon Bronze' (flowers)

Dahlia 'Babylon Bronze' (flowers)

Dahlia 'Babylon Red' (flowers)

Dahlia 'Beatrice' (flowers)

Dahlia 'Bed Head' (flowers)

Dahlia 'Bed Head' (flowers)

Dahlia 'Cafe au Lait' (habit)

Dahlia 'Cafe au Lait' (flowers)

Dahlia 'Cupido' (flowers)

Dahlia 'Dati' (Dalina® Midi Mariana) (flowers)

Dahlia 'Dati' (Dalina® Midi Mariana) (flowers)

Dahlia 'Degas' (flowers)

Dahlia 'Dinner Plate' (flowers)

Dahlia 'Evelyne' (flowers)

Dahlia 'Evelyne' (flowers)

Dahlia 'Gallery Leonardo' (flowers)

Dahlia 'Gallery Rembrandt' (flowers)

Dahlia 'Gallery Singer' (habit)

Dahlia 'Garden Wonder' (flowers)

Dahlia 'Garden Wonder' (flowers)

Dahlia 'Grand Prix' (flowers)

Dahlia 'Karma Fuchsiana' (flowers)

Dahlia 'Karma Fuchsiana' (flowers)

Dahlia 'Karma Fuchsiana' (flowers)

Dahlia 'Katja' (flowers)

Dahlia 'Loretta' (flowers)

Dahlia 'Ludwig Helford' (habit)

Dahlia 'Ludwig Helford' (flowers)

Dahlia 'Maxi Colima' (Dalina® Grande Colima) (flowers)

Dahlia 'Maxi Colima' (Dalina® Grande Colima) (flowers)

Dahlia 'Maxi Colima' (Dalina® Grande Colima) (flowers)

Dahlia 'Maxi Colima' (Dalina® Grande Colima) (flowers)

Dahlia 'Melody Mambo' (habit)

Dahlia 'Mystery Day' (flowers)

Dahlia 'Mystery Day' (flowers)

Dahlia 'Otto's Thrill' (flowers)

Dahlia 'Pasa Doble' (flowers)

Dahlia 'Pfitzer's Joke' (habit)

Dahlia 'Pfitzer's Joke' (flowers)

Dahlia 'Pink Princess' (habit)

Dahlia 'Pink Princess' (flowers)

Dahlia 'Procyon' (flowers)

Dahlia 'Promise' (habit)

Dahlia 'Promise' (flowers)

Dahlia 'Red Balloon' (flowers)

Dahlia 'Red Balloon' (flowers)

Dahlia 'Red Pygmy' (habit)

Dahlia 'Red Pygmy' (flowers)

Dahlia 'Rock and Roll' (habit)

Dahlia 'Rock and Roll' (flowers)

Dahlia 'Shooting Star' (flowers)

Dahlia 'Silver Years' (habit)

Dahlia 'Silver Years' (flowers)

Dahlia 'Toluca' (Dalina® Grande Toluca) (flowers)

Dahlia 'Tout a Toi' (flowers)

Dahlia var. Group 5 'Lilac Time' (flowers)

Daphne 'Lawrence Crocker' (flowers)

Daphne 'Lawrence Crocker' (flowers)

Daphne alpina (habit)

Daphne alpina (flowers)

Daphne genkwa (habit)

Daphne genkwa (flowers)

Daphne genkwa (flowers)

Daphne x burkwoodii 'Carol Mackie' (flowers)

Daphne x burkwoodii 'Somerset' (habit)

Daucus carota (habit)

Daucus carota (flowers)

Davidia involucrata (leaves)

Davidia involucrata (leaves)

Delosperma 'Tiffindell Magenta' (flowers)

Delosperma floribunda 'Starburst' (habit)

Delosperma floribunda 'Starburst' (habit)

Delosperma floribunda 'Starburst' (flowers)

Delosperma floribunda 'Starburst' (flowers)

Delphinium 'Blushing Bride' (flowers)

Delphinium 'Diamonds Blue' (flowers)

Delphinium 'Pagan Purples' (flowers)

Delphinium grandiflorum 'Blue Butterfly' (flowers)

Desmodium canadense (flowers)

Desmodium canadense (flowers)

Deutzia 'Monzia' (flowers)

Deutzia 'Monzia' (flowers)

Deutzia parviflora (habit)

Deutzia parviflora (habit)

Deutzia parviflora (flowers)

Deutzia x lemoinei 'Compacta' (habit)

Deutzia x lemoinei 'Compacta' (flowers)

Dianthus 'Telstar Purple' (flowers)

Dianthus 'Unique' (flowers)

Dianthus amurensis 'Siberian Blues' (habit)

Dianthus amurensis 'Siberian Blues' (habit)

Dianthus amurensis 'Siberian Blues' (flowers)

Dianthus amurensis 'Siberian Blues' (flowers)

Dianthus barbatus 'Jolt Cherry' (flowers)

Dianthus carthusianorum (habit)

Dianthus carthusianorum (flowers)

Dianthus gratianopolitans 'Bath's Pink' (habit)

Dianthus plumarius 'Istaul White' (flowers)

Dicentra cucullaria (flowers)

Dicentra exima (habit)

Dicentra exima (flowers)

Dicentra eximia 'Snowflakes' (flowers)

Dicentra formosa 'Bacchanal' (flowers)

Dicentra formosa 'Bacchanal' (flowers)

Dicentra formosa ssp. formosa (flowers)

Dicentra spectabilis (habit)

Dicentra spectabilis (flowers)

Dicentra spectabilis (flowers)

Dicentra spectabilis 'Alba' (flowers)

Dicentra spectabilis 'Gold Heart' (habit)

Dictamnus albus (habit)

Dictamnus albus (flowers)

Diervilla lonicera (habit)

Diervilla lonicera (flowers)

Diervilla rivularis 'Morton' (flowers)

Diervilla rivularis 'Morton' (flowers)

Digitalis ferruginea (flowers)

Digitalis grandiflora 'Carillon' (flowers)

Digitalis purpurea (habit)

Digitalis purpurea (habit)

Digitalis purpurea (flowers)

Digitalis purpurea (flowers)

Digitalis thapsi 'Spanish Peaks' (flowers)

Digitalis thapsi 'Spanish Peaks' (flowers)

Digitalis x mertonensis (flowers)

Dioon edule (habit)

Dioon edule var. angustifolium (habit)

Diospyros virginiana (bark)

Diospyros virginiana (bark)

Dipsacus sylvestris (fruit)

Dirca palustris (habit)

Dirca palustris (leaves)

Dirca palustris (flowers)

Dirca palustris (flowers)

Disporum uniflorum (flowers)

Disporum viridescens (flowers)

Disporum viridescens (flowers)

Disporum viridescens (flowers)

Dodecatheon meadia (habit)

Dodecatheon meadia (habit)

Dodecatheon meadia (flowers)

Dodecatheon meadia (flowers)

Dodecatheon meadia (flowers)

Dodecatheon meadia (flowers)

Dodecatheon meadia (flowers)

Doronicum 'Miss Mason' (habit)

Doronicum 'Miss Mason' (flowers)

Doronicum 'Miss Mason' (flowers)

Doronicum 'Miss Mason' (flowers)

Draba rigida (habit)

Draba rigida (flowers)

Draba rigida (flowers)

Dracocephalum argunense 'Fuji Blue' (flowers)

Dryopteris erythrosora (habit)

Dryopteris filix-mas (habit)

Dryopteris goldieana (habit)

Dryopteris goldieana (habit)

Duchesnia indica (habit)

Duchesnia indica (leaves)

Duchesnia indica (flowers)

Duchesnia indica (fruit)

Dyssodia tenuiloba (habit)

Dyssodia tenuiloba (flowers)

Echinacea 'Balsomsed' PP#23,105 (Sombrero® Salsa Red) (habit)

Echinacea 'Balsomsed' PP#23,105 (Sombrero® Salsa Red) (flowers)

Echinacea 'Balsomsed' PP#23,105 (Sombrero® Salsa Red) (flowers)

Echinacea 'Balsomsed' PP#23,105 (Sombrero® Salsa Red) (flowers)

Echinacea 'Fragrant Angel' (flowers)

Echinacea 'Fragrant Angel' (flowers)

Echinacea 'Hot Papaya' (flowers)

Echinacea 'Sunset' (flowers)

Echinacea 'Sunset' (flowers)

Echinacea 'Twilight' (flowers)

Echinacea pallida (flowers)

Echinacea paradoxa (flowers)

Echinacea paradoxa 'Yellow Mellow' (flowers)

Echinacea paradoxa 'Yellow Mellow' (flowers)

Echinacea purpurea (flowers)

Echinacea purpurea (flowers)

Echinacea purpurea (flowers)

Echinacea purpurea 'Alba' (flowers)

Echinacea purpurea 'Bright Star' (flowers)

Echinacea purpurea 'Cygnet White' (flowers)

Echinacea purpurea 'Cygnet White' (flowers)

Echinacea purpurea 'Kim's Mophead' (habit)

Echinacea purpurea 'Lilliput' (flowers)

Echinacea purpurea 'Magnus' (flowers)

Echinacea purpurea 'Pica Bella' (habit)

Echinacea purpurea 'Ruby Star' (flowers)

Echinacea purpurea 'Ruby Star' (flowers)

Echinacea purpurea 'White Swan' (flowers)

Echinacea purpurea 'White Swan' (flowers)

Echinacea purpurea 'White Swan' (flowers)

Echinacea purpurpea 'Kim's Knee High' (flowers)

Echinacea tennesseensis (habit)

Echinacea tennesseensis (flowers)

Echinacea tennesseensis (flowers)

Echinacea x 'Orange Meadowbrite' (flowers)

Echinacea x 'Orange Meadowbrite' (flowers)

Echinacea x 'Orange Meadowbrite' (flowers)

Echinocactus grusonii (habit)

Echinops ritro (flowers)

Echinops ritro (flowers)

Echinopsis chamaecereus (flowers)

Echinopsis chamaecereus (flowers)

Eichhornia crassipes (flowers)

Elaeagnus pungens 'Gilt Edge' (leaves)

Eleutherococcus sieboldianus 'Variegatus' (leaves)

Eleutherococcus sieboldianus 'Variegatus' (leaves)

Enkianthus campanulatus (flowers)

Enkianthus campanulatus (flowers)

Enkianthus campanulatus (flowers)

Enkianthus perulatus (habit)

Enkianthus perulatus (flowers)

Enkianthus perulatus (fall color)

Epimedium 'Tama-no-genpei' (flowers)

Epimedium 'Tama-no-genpei' (flowers)

Epimedium alpinum (habit)

Epimedium grandiflorum 'Crimson Beauty' (flowers)

Epimedium grandiflorum 'Lilafee' (habit)

Epimedium grandiflorum 'Lilafee' (habit)

Epimedium grandiflorum 'Lilafee' (flowers)

Epimedium grandiflorum var. higoense (flowers)

Epimedium grandiflorum var. higoense (flowers)

Epimedium x versicolor 'Neo-sulphureum' (habit)

Epimedium x versicolor 'Sulphureum' (habit)

Epimedium × warleyense 'Orangekönigin' (flowers)

Eragrostis spectabilis (habit)

Eranthis hyemalis (habit)

Eranthis hyemalis (habit)

Eranthis hyemalis (habit)

Eranthis hyemalis (flowers)

Eranthis hyemalis (flowers)

Erigeron 'Rosa Juwel' (flowers)

Erigeron annuus (flowers)

Erigeron glaucus 'Olga' (flowers)

Erodium manescaui (flowers)

Erodium x kolbianum 'Natasha' (flowers)

Eruca vesicaria ssp. sativa (flowers)

Eryngium amethystinum (habit)

Eryngium amethystinum (flowers)

Eryngium planum (flowers)

Eryngium yuccifolium (flowers)

Eryngium yuccifolium (flowers)

Erysimum 'Apricot Twist' (flowers)

Erysimum 'Apricot Twist' (flowers)

Erysimum 'Apricot Twist' (flowers)

Erythronium 'Pagoda' (habit)

Erythronium 'Pagoda' (habit)

Erythronium 'Pagoda' (flowers)

Erythronium 'Pagoda' (flowers)

Erythronium 'Pagoda' (flowers)

Erythronium albidum (habit)

Erythronium albidum (habit)

Erythronium albidum (flowers)

Erythronium albidum (flowers)

Eucomis comosa (flowers)

Eucomis comosa (flowers)

Eucommia ulmoides (flowers)

Euonymus alata 'Rudy Haag' (habit)

Euonymus alata 'Rudy Haag' (habit)

Euonymus bungeana (fruit)

Euonymus europaeus var. intermedius (fruit)

Euonymus europaeus var. intermedius (fruit)

Euonymus fortunei 'Canadale Gold' (habit)

Euonymus fortunei 'Canadale Gold' (leaves)

Euonymus fortunei 'Interbolwji' (leaves)

Euonymus hamiltonianus (habit)

Euonymus hamiltonianus (fall color)

Euonymus hamiltonianus (fall color)

Euonymus obovatus (fruit)

Eupatorium capillifolium 'Elegant Feather' (habit)

Eupatorium coelestinum (habit)

Eupatorium coelestinum (flowers)

Eupatorium maculatum (flowers)

Eupatorium maculatum (flowers)

Eupatorium maculatum (flowers)

Eupatorium maculatum 'Album' (flowers)

Eupatorium rugosum 'Chocolate' (habit)

Eupatorium rugosum 'Chocolate' (flowers)

Euphorbia corollata (flowers)

Euphorbia cyparissius (habit)

Euphorbia decaryi (habit)

Euphorbia epithymoides (habit)

Euphorbia epithymoides (habit)

Euphorbia epithymoides (flowers)

Euphorbia marginata (habit)

Euphorbia marginata (flowers)

Euphorbia polychroma 'Bonfire' (leaves)

Euphorbia polychroma 'Bonfire' (leaves)

Eustoma grandiflorum 'Double Eagle Mixed' (flowers)

Evolvulus nuttallianus 'Blue Daze' (flowers)

Evolvulus nuttallianus 'Blue Daze' (flowers)

Exochorda racemosa (habit)

Exochorda racemosa (habit)

Exochorda racemosa (flowers)

Exochorda racemosa (flowers)

Exochorda racemosa (flowers)

Exochorda racemosa (flowers)

Exochorda racemosa (flowers)

Exochorda x macrantha 'The Bride' (habit)

Exochorda x macrantha 'The Bride' (flowers)

Exochorda x macrantha 'The Bride' (flowers)

Fagus grandifolia (leaves)

Fagus grandifolia (leaves)

Fagus grandifolia (bark)

Fagus sylvatica (habit)

Fagus sylvatica (leaves)

Fagus sylvatica (fall color)

Fagus sylvatica (bark)

Fagus sylvatica (bark)

Fagus sylvatica (culture)

Fagus sylvatica 'Asplenifolia' (habit)

Fagus sylvatica 'Atropunicea' (habit)

Fagus sylvatica 'Aurea Pendula' (leaves)

Fagus sylvatica 'Pendula' (habit)

Fagus sylvatica 'Purpurea Pendula' (habit)

Fagus sylvatica 'Purpurea Pendula' (habit)

Fagus sylvatica 'Roseo-marginata' (leaves)

Fagus sylvatica 'Tortuosa' (habit)

Fagus sylvatica 'Tortuosa' (habit)

Fagus sylvatica 'Tortuosa' (habit)

Festuca glauca 'Meerblau' (habit)

Ficus aspera 'Parcell' (leaves)

Ficus aspera 'Parcell' (leaves)

Ficus pumila (habit)

Ficus pumila (leaves)

Filipendula hexapetala (flowers)

Filipendula rubra (flowers)

Filipendula rubra (flowers)

Fittonia albivenis (Verschaffeltii Group) 'Pearcei' (habit)

Fittonia albivenis (Verschaffeltii Group) 'Pearcei' (leaves)

Fittonia albivenis (Verschaffeltii Group) 'Pearcei' (leaves)

Fittonia albivenis (Verschaffeltii Group) 'Pearcei' (leaves)

Forsythia 'Arnold Dwarf' (habit)

Forsythia 'Arnold Dwarf' (flowers)

Forsythia 'Courtalyn' (habit)

Forsythia 'Courtalyn' (flowers)

Forsythia 'Courtalyn' (flowers)

Forsythia 'Fiesta' (habit)

Forsythia 'Fiesta' (habit)

Forsythia 'Fiesta' (leaves)

Forsythia 'Fiesta' (leaves)

Forsythia 'Fiesta' (flowers)

Forsythia 'Fiesta' (flowers)

Forsythia 'Golden Times' (habit)

Forsythia 'Golden Times' (leaves)

Forsythia 'Golden Times' (leaves)

Forsythia 'Golden Times' (flowers)

Forsythia 'Golden Times' (flowers)

Forsythia 'Golden Times' (flowers)

Forsythia 'Goldzauber' (habit)

Forsythia 'Goldzauber' (flowers)

Forsythia 'Goldzauber' (flowers)

Forsythia 'New Hampshire Gold' (habit)

Forsythia 'New Hampshire Gold' (flowers)

Forsythia 'Northern Gold' (habit)

Forsythia 'Northern Gold' (flowers)

Forsythia 'Tremonia' (flowers)

Forsythia 'Tremonia' (flowers)

Forsythia suspensa (flowers)

Forsythia suspensa (flowers)

Forsythia suspensa (flowers)

Forsythia suspensa var. sieboldii (flowers)

Forsythia viridissima (habit)

Forsythia viridissima (habit)

Forsythia viridissima (flowers)

Forsythia viridissima (flowers)

Forsythia viridissima (flowers)

Forsythia viridissima 'Klein' (habit)

Forsythia viridissima 'Klein' (flowers)

Forsythia viridissima var. koreana (fall color)

Forsythia x 'Courtasol' (habit)

Forsythia x 'Courtasol' (habit)

Forsythia x intermedia (habit)

Forsythia x intermedia (habit)

Forsythia x intermedia (leaves)

Forsythia x intermedia (leaves)

Forsythia x intermedia (flowers)

Forsythia x intermedia (flowers)

Forsythia x intermedia 'Beatrix Farrand' (habit)

Forsythia x intermedia 'Beatrix Farrand' (flowers)

Fothergilla gardenii (leaves)

Fothergilla gardenii (flowers)

Fothergilla gardenii (flowers)

Fothergilla gardenii (fall color)

Fothergilla gardenii (fall color)

Fothergilla gardenii 'Mount Airy' (habit)

Fothergilla gardenii 'Mount Airy' (flowers)

Fothergilla gardenii 'Mount Airy' (flowers)

Fothergilla major (fall color)

Fragaria 'Lipstick' (habit)

Fragaria 'Lipstick' (flowers)

Fragaria 'Pink Panda' (flowers)

Fragaria vesca 'Variegata' (leaves)

Fragaria vesca 'Variegata' (flowers)

Fragaria virginiana (habit)

Fragaria virginiana (flowers)

Fragaria virginiana (flowers)

Fraxinus americana (habit)

Fraxinus americana (fall color)

Fritillaria imperialis (habit)

Fritillaria imperialis (habit)

Fritillaria imperialis (flowers)

Fritillaria imperialis (flowers)

Fritillaria imperialis (flowers)

Fritillaria imperialis (flowers)

Fritillaria persica (habit)

Fritillaria persica (flowers)

Fritillaria persica (flowers)

Fuchsia 'Angel Earrings' (flowers)

Fuchsia triphylla (habit)

Fuchsia triphylla (flowers)

Furcraea foetida var. mediopicta (habit)

Gaillardia 'Bicolor Bright' (flowers)

Gaillardia 'Fanfare' (flowers)

Gaillardia 'Fanfare' (flowers)

Gaillardia 'Moxie' (flowers)

Gaillardia pulchella 'Torch Yellow' (flowers)

Galanthus ikariae (flowers)

Galanthus ikariae (flowers)

Galanthus nivalis (habit)

Galanthus nivalis (habit)

Galanthus nivalis (flowers)

Galium odoratum (habit)

Galium odoratum (leaves)

Galium odoratum (flowers)

Gardenia augusta 'Variegata' (habit)

Gardenia augusta 'Variegata' (leaves)

Gardenia augusta 'Variegata' (leaves)

Gaultheria procumbens (habit)

Gaultheria procumbens (flowers)

Gaultheria shallon (leaves)

Gaultheria shallon (fruit)

Gaura lindheimeri 'Siskiyou Pink' (flowers)

Gazania rigens 'Kiss Frosty Yellow' (flowers)

Gelsemium sempervirens (habit)

Gelsemium sempervirens (flowers)

Gelsemium sempervirens (flowers)

Gelsemium sempervirens 'Woodlander's Pale Yellow' (habit)

Gelsemium sempervirens 'Woodlander's Pale Yellow' (flowers)

Gentiana andrewsii (flowers)

Gentiana andrewsii (flowers)

Gentiana flavida (flowers)

Gentiana septemfida (flowers)

Gentiana septemfida var. lagodechiana (flowers)

Gentiana septemfida var. lagodechiana (flowers)

Geranium 'Jolly Bee' PP#12,148 (flowers)

Geranium 'Patricia' (flowers)

Geranium 'Patricia' (flowers)

Geranium 'Rozanne' (flowers)

Geranium 'Spinners' (flowers)

Geranium 'Sugar Plum' (flowers)

Geranium 'Walter Ingwerson' (habit)

Geranium 'Walter Ingwerson' (flowers)

Geranium cinereum 'Apple Blossom' (flowers)

Geranium cinereum 'Apple Blossom' (flowers)

Geranium cinereum 'Purple Pillow' (flowers)

Geranium endressii 'Wargrave's Pink' (flowers)

Geranium endressii 'Wargrave's Pink' (flowers)

Geranium himalayense (flowers)

Geranium himalayense (flowers)

Geranium himalayense 'Gravetye' (habit)

Geranium himalayense 'Gravetye' (flowers)

Geranium himalayense 'Gravetye' (flowers)

Geranium macrorrhizum 'Album' (flowers)

Geranium macrorrhizum 'Album' (flowers)

Geranium macrorrhizum 'Album' (flowers)

Geranium macrorrhizum 'Bevan's Variety' (flowers)

Geranium macrorrhizum 'Bevan's Variety' (flowers)

Geranium macrorrhizum 'Ingwersen's Variety' (flowers)

Geranium maculatum (habit)

Geranium maculatum (flowers)

Geranium maculatum (flowers)

Geranium maculatum (flowers)

Geranium maculatum (flowers)

Geranium maculatum 'Chatto' (flowers)

Geranium maculatum var. albiflorum 'Helen Gallagher' (habit)

Geranium maculatum var. albiflorum 'Helen Gallagher' (flowers)

Geranium phaeum (flowers)

Geranium phaeum (flowers)

Geranium phaeum (flowers)

Geranium pratense (flowers)

Geranium pratense 'Plenum Caeruleum' (flowers)

Geranium renardii (flowers)

Geranium renardii 'Terra Franche' (flowers)

Geranium renardii 'Terra Franche' (flowers)

Geranium renardii 'Terra Franche' (flowers)

Geranium renardii 'Tschelda' (flowers)

Geranium sanguineum (flowers)

Geranium sanguineum (flowers)

Geranium sanguineum var. striata (habit)

Geranium sanguineum var. striata (habit)

Geranium sanguineum var. striata (habit)

Geranium sanguineum var. striata (flowers)

Geranium thunbergii (flowers)

Geranium wlassovianum (flowers)

Geranium wlassovianum (flowers)

Geranium x 'Johnson's Blue' (flowers)

Geranium x 'Johnson's Blue' (flowers)

Geranium x 'Johnson's Blue' (flowers)

Geranium x cantagbrigiense 'Biokovo' (habit)

Geranium x cantagbrigiense 'Biokovo' (flowers)

Geranium x cantagbrigiense 'Biokovo' (flowers)

Geranium x cantagbrigiense 'Biokovo' (flowers)

Geranium x cantagbrigiense 'Karmina' (flowers)

Geranium x magnificum (flowers)

Geranium x magnificum (flowers)

Geranium x oxonianum 'Bressingham Delight' (flowers)

Geranium x oxonianum 'Claridge Druce' (flowers)

Geranium x oxonianum 'Katherine Adele' (flowers)

Geum chiloense 'Lady Stratheden' (flowers)

Geum chiloense 'Mrs. Bradshaw' (flowers)

Geum triflorum (flowers)

Geum triflorum (flowers)

Geum triflorum (flowers)

Geum triflorum (fruit)

Ginkgo biloba (habit)

Ginkgo biloba (habit)

Ginkgo biloba (fruit)

Ginkgo biloba (fall color)

Ginkgo biloba (bark)

Ginkgo biloba (bark)

Ginkgo biloba 'Tubiformis' (leaves)

Ginkgo biloba 'Tubiformis' (leaves)

Gladiolus spp. (flowers)

Glechoma hederaceae 'Variegata' (leaves)

Gomphrena 'Bicolor Rose' (habit)

Gomphrena globosa 'Buddy' (flowers)

Gomphrena globosa 'Gnome' (habit)

Gomphrena globosa 'Gnome' (flowers)

Gomphrena globosa 'Lavender' (flowers)

Gomphrena haageana 'Strawberry Fields' (habit)

Gymnocalycium baldianum (habit)

Gymnocladus dioica (habit)

Gypsophilia elegans 'Gypsy' (habit)

Gypsophilia repens (flowers)

Hakonechloa macra 'Aureola' (habit)

Halesia carolina (buds)

Halesia carolina (buds)

Halesia carolina (flowers)

Halesia carolina (flowers)

Halesia carolina (flowers)

Halesia carolina (flowers)

Halesia carolina (bark)

Halesia diptera (habit)

Halesia diptera (flowers)

Halesia diptera (flowers)

Halesia monticola var. vestita forma rosea 'Arnold's Pink' (flowers)

Halesia parviflora (habit)

Halesia parviflora (flowers)

Halesia parviflora (flowers)

Halesia parviflora (flowers)

Hamamelis vernalis (flowers)

Hamamelis vernalis (flowers)

Hamamelis vernalis (flowers)

Hamamelis x 'Brevipetala' (habit)

Hamamelis x 'Brevipetala' (flowers)

Hamamelis x 'Brevipetala' (flowers)

Hamamelis x 'Brevipetala' (flowers)

Hamamelis x 'Brevipetala' (flowers)

Hamamelis x 'Brevipetala' (flowers)

Hamamelis x intermedia (habit)

Hamamelis x intermedia (flowers)

Hamamelis x intermedia (flowers)

Hamamelis x intermedia (flowers)

Hamamelis x intermedia (flowers)

Hamamelis x intermedia 'Aphrodite' (flowers)

Hamamelis x intermedia 'Aphrodite' (flowers)

Hamamelis x intermedia 'Aphrodite' (flowers)

Hamamelis x intermedia 'Aphrodite' (flowers)

Hamamelis x intermedia 'Aphrodite' (flowers)

Hamamelis x intermedia 'Iwadoo' (flowers)

Hedera canariensis 'Ravensholst' (leaves)

Hedera helix (habit)

Hedera helix 'Glacier' (leaves)

Hedera helix 'Glacier' (leaves)

Hedera helix 'Gold Child' (habit)

Hedera helix 'Gold Child' (leaves)

Hedera helix 'Gold Child' (leaves)

Hedera helix 'Teardrop' (leaves)

Hedera helix 'Walthamensis' (habit)

Hedera helix 'Walthamensis' (leaves)

Hedera nepalensis 'Marbled Dragon' (leaves)

Hedera nepalensis 'Marbled Dragon' (leaves)

Helenium autumnale (habit)

Helenium autumnale (flowers)

Helianthus annuus (flowers)

Helianthus annuus (flowers)

Helianthus annuus 'Autumn Beauty' (habit)

Helianthus annuus 'Autumn Beauty' (flowers)

Helianthus annuus 'Floristan' (habit)

Helianthus annuus 'Music Box Mix' (flowers)

Helianthus annuus 'Prado Gold' (habit)

Helianthus annuus 'Prado Gold' (flowers)

Helianthus annuus 'Prado Gold' (flowers)

Helianthus annuus 'Ring of Fire' (habit)

Helianthus annuus 'Sunspot' (flowers)

Helianthus annuus 'Vanilla Ice' (flowers)

Helianthus annuus 'Vanilla Ice' (flowers)

Helianthus microcephalus (flowers)

Helianthus microcephalus 'Lemon Queen' (habit)

Helianthus microcephalus 'Lemon Queen' (flowers)

Helichrysum bracteatum 'Golden Beauty' (flowers)

Helichrysum petiolare (habit)

Helichrysum petiolare (leaves)

Helichrysum petiolare (leaves)

Helichrysum petiolare 'Lemon Licorice' (habit)

Helictotrichon sempervirens (habit)

Heliopsis helianthoides 'Loraine Sunshine' (habit)

Heliopsis helianthoides 'Loraine Sunshine' (habit)

Heliopsis helianthoides 'Loraine Sunshine' (habit)

Heliopsis helianthoides 'Loraine Sunshine' (flowers)

Heliopsis helianthoides 'Loraine Sunshine' (flowers)

Heliopsis helianthoides var. scabra 'Summer Sun' (flowers)

Heliotropium arborescens 'Marine' (flowers)

Helleborus 'Heronswood Double Pink Shades' (flowers)

Helleborus 'Heronswood Double' (flowers)

Helleborus foetidus 'Wester Flisk' (habit)

Helleborus foetidus 'Wester Flisk' (flowers)

Helleborus foetidus 'Wester Flisk' (flowers)

Helleborus orientalis (habit)

Helleborus orientalis (habit)

Helleborus orientalis (flowers)

Helleborus dark red (habit)

Helleborus dark red (flowers)

Helleborus pink (flowers)

Helleborus spotted cream (habit)

Helleborus spotted cream (flowers)

Helleborus white (flowers)

Hemerocallis 'Autumn Minaret' (flowers)

Hemerocallis 'Best of Friends' (habit)

Hemerocallis 'Cedar Wax Wing' (flowers)

Hemerocallis 'Christmas Ribbon' (flowers)

Hemerocallis 'Derby Bound' (habit)

Hemerocallis 'Derby Bound' (flowers)

Hemerocallis 'Double Gold' (flowers)

Hemerocallis 'Double Gold' (flowers)

Hemerocallis 'Happy Returns' (flowers)

Hemerocallis 'Jersey Spider' (flowers)

Hemerocallis 'Jersey Spider' (flowers)

Hemerocallis 'Justin Orange' (habit)

Hemerocallis 'Justin Orange' (flowers)

Hemerocallis 'Lake Norman' (flowers)

Hemerocallis 'Little Wine Cup' (habit)

Hemerocallis 'Lori Ann Cook' (habit)

Hemerocallis 'Lori Ann Cook' (flowers)

Hemerocallis 'Lori Ann Cook' (flowers)

Hemerocallis 'Lullaby Baby' (flowers)

Hemerocallis 'Lullaby Baby' (flowers)

Hemerocallis 'Malasian Monarch' (flowers)

Hemerocallis 'Mary Todd' (flowers)

Hemerocallis 'Mauna Loa' (flowers)

Hemerocallis 'Mini Pearl' (flowers)

Hemerocallis 'Orchid Corsage' (flowers)

Hemerocallis 'Pink Flirt' (flowers)

Hemerocallis 'Scarlet Tanager' (flowers)

Hemerocallis 'Scarlet Tanager' (flowers)

Hemerocallis 'Siloam Double Classic' (habit)

Hemerocallis 'Siloam Double Classic' (flowers)

Hemerocallis 'Siloam Virginia Henson' (flowers)

Hemerocallis 'Spring Glitter' (flowers)

Hemerocallis 'Strawberry Candy' (flowers)

Hemerocallis 'Stroke of Midnight' (flowers)

Hemerocallis 'Sunday Gloves' (flowers)

Hemerocallis 'Sunday Gloves' (flowers)

Hemerocallis fulva (flowers)

Hemerocallis fulva (flowers)

Hepatica acutiloba (habit)

Hepatica acutiloba (habit)

Hepatica acutiloba (habit)

Hepatica acutiloba (leaves)

Hepatica acutiloba (flowers)

Hepatica acutiloba (flowers)

Hepatica acutiloba (flowers)

Hepatica acutiloba (flowers)

Hepatica americana (habit)

Hepatica americana (flowers)

Heptacodium miconioides (leaves)

Heptacodium miconioides (leaves)

Heptacodium miconioides (flowers)

Heptacodium miconioides (flowers)

Heptacodium miconioides (flowers)

Heptacodium miconioides (fruit)

Heptacodium miconioides (fruit)

Heptacodium miconioides (bark)

Heuchera 'Amber Waves' (habit)

Heuchera 'Amber Waves' (leaves)

Heuchera 'Amethyst Mist' (habit)

Heuchera 'Amethyst Mist' (leaves)

Heuchera 'Amethyst Mist' (leaves)

Heuchera 'Green Spice' (habit)

Heuchera 'Green Spice' (leaves)

Heuchera 'Hollywood' (leaves)

Heuchera 'Marmalade' (habit)

Heuchera 'Petite Lime Sherbet' (habit)

Heuchera 'Pinot Gris' (leaves)

Heuchera 'Purple Petticoats' (habit)

Heuchera 'Regina' (leaves)

Heuchera 'Silver Scrolls' (leaves)

Heuchera 'Snow Angel' (leaves)

Heuchera americana 'Dale's Strain' (habit)

Heuchera richardsonii (flowers)

Heuchera x brizoides 'Firefly' (flowers)

Heucherella tiarelloides 'Bridget Bloom' (flowers)

Hibiscus 'Lord Baltimore' (flowers)

Hibiscus moscheutos (flowers)

Hibiscus moscheutos (flowers)

Hibiscus moscheutos (flowers)

Hibiscus moscheutos (flowers)

Hibiscus moscheutos 'Disco Belle Pink' (habit)

Hibiscus moscheutos 'Disco Belle Pink' (flowers)

Hibiscus moscheutos 'Disco Belle' (flowers)

Hibiscus moscheutos 'Disco Belle' (flowers)

Hibiscus moscheutos 'Rio Grande' (flowers)

Hibiscus moscheutos 'Southern Belle' (flowers)

Hibiscus palustris (flowers)

Hibiscus syriacus 'Blue Bird' (flowers)

Hibiscus syriacus 'Rosia de Siria' (flowers)

Hieracium aurantiacum (flowers)

Hippaestrum 'Rilona Peach' (flowers)

Hippophae rhamnoides (leaves)

Hippophae rhamnoides (fruit)

Hirpicium armerioides var. armerioides (habit)

Hirpicium armerioides var. armerioides (flowers)

Hosta 'Albo-marginata' (habit)

Hosta 'Anne Arett' (habit)

Hosta 'Atlantis' (habit)

Hosta 'Aureo-marginata' (habit)

Hosta 'Blue Umbrella' (habit)

Hosta 'Cat's Eye' (habit)

Hosta 'Cherry Berry' (habit)

Hosta 'Cherry Berry' (habit)

Hosta 'Cherry Berry' (leaves)

Hosta 'Chinese Sunrise' (habit)

Hosta 'Crystal Tiara' (habit)

Hosta 'Dancing Queen' (habit)

Hosta 'Dancing Queen' (habit)

Hosta 'Dark Star' (habit)

Hosta 'Dark Star' (habit)

Hosta 'Dark Star' (flowers)

Hosta 'Daybreak' (habit)

Hosta 'Daybreak' (habit)

Hosta 'Decorata' (habit)

Hosta 'Devon Green' (habit)

Hosta 'Devon Green' (leaves)

Hosta 'Diamond Tiara' (habit)

Hosta 'Dick Ward' (habit)

Hosta 'Dick Ward' (leaves)

Hosta 'Earth Angel' (habit)

Hosta 'Earth Angel' (habit)

Hosta 'El Nino' (habit)

Hosta 'El Nino' (leaves)

Hosta 'Elvis Lives' (habit)

Hosta 'Fair Maiden' (habit)

Hosta 'Fair Maiden' (leaves)

Hosta 'First Frost' (habit)

Hosta 'First Frost' (habit)

Hosta 'First Frost' (habit)

Hosta 'First Frost' (habit)

Hosta 'Formal Attire' (habit)

Hosta 'Fortunei Aurea' (habit)

Hosta 'Fragrant Bouquet' (habit)

Hosta 'Fragrant Bouquet' (leaves)

Hosta 'Francee' (habit)

Hosta 'Frances Williams' (habit)

Hosta 'Frances Williams' (habit)

Hosta 'Frances Williams' (habit)

Hosta 'Gold Drop' (habit)

Hosta 'Gold Edger' (habit)

Hosta 'Gold Standard' (habit)

Hosta 'Gold Standard' (habit)

Hosta 'Gold Standard' (habit)

Hosta 'Golden Tiara' (habit)

Hosta 'Golden Tiara' (habit)

Hosta 'Guardian Angel' (habit)

Hosta 'Guardian Angel' (habit)

Hosta 'Halcyon' (habit)

Hosta 'Halcyon' (habit)

Hosta 'Hanky Panky' (habit)

Hosta 'Hanky Panky' (leaves)

Hosta 'Hoosier Harmony' (habit)

Hosta 'Independence' (habit)

Hosta 'Inniswood' (habit)

Hosta 'Jewel of the Nile' (habit)

Hosta 'Kabitan' (habit)

Hosta 'Krossa Regal' (habit)

Hosta 'Krossa Regal' (habit)

Hosta 'Lemon Delight' (habit)

Hosta 'Liberty' (habit)

Hosta 'Liberty' (habit)

Hosta 'Mama Mia' (habit)

Hosta 'Night Before Christmas' (habit)

Hosta 'Paradise Island' (habit)

Hosta 'Patriot' (habit)

Hosta 'Patriot' (habit)

Hosta 'Patriot' (leaves)

Hosta 'Peppermint Ice' (habit)

Hosta 'Pineapple Poll' (habit)

Hosta 'Prairie Moon' (habit)

Hosta 'Prairie Moon' (habit)

Hosta 'Prima Donna' (habit)

Hosta 'Remember Me' (habit)

Hosta 'Remember Me' (habit)

Hosta 'Reptillian' (habit)

Hosta 'Sagae' (habit)

Hosta 'Sagae' (habit)

Hosta 'Satisfaction' (habit)

Hosta 'Sea Sprite' (habit)

Hosta 'Sea Thunder' (habit)

Hosta 'Shogun' (habit)

Hosta 'Sitting Pretty' (habit)

Hosta 'So Sweet' (habit)

Hosta 'So Sweet' (flowers)

Hosta 'Summer Serenade' (habit)

Hosta 'Sun Power' (flowers)

Hosta 'Sweet Home Chicago' (habit)

Hosta 'True Blue' (habit)

Hosta 'Twilight' (leaves)

Hosta 'Twilight' (leaves)

Hosta 'Vanilla Cream' (habit)

Hosta 'White Christmas' (habit)

Hosta 'Winfield Blue' (habit)

Hosta montana 'Aureomarginata' (habit)

Hosta montana 'Aureomarginata' (habit)

Hosta plantaginea (habit)

Hosta plantaginea (flowers)

Hosta sieboldiana var. elegans (habit)

Hosta sieboldiana var. elegans (flowers)

Hosta tardiana 'June' (habit)

Hosta tardiana 'Paradise Joyce' (habit)

Hosta tardiana 'Paradise Joyce' (leaves)

Hosta tardiana 'Paradise Joyce' (leaves)

Hosta ventricosa 'Aureomarginata' (habit)

Hosta yingeri (habit)

Hosta yingeri (flowers)

Houttuynia cordata 'Chameleon' (leaves)

Houttuynia cordata 'Chameleon' (flowers)

Humulus lupulus 'Aureus' (leaves)

Humulus lupulus 'Aureus' (leaves)

Hyacinthus orientalis (flowers)

Hyacinthus orientalis (flowers)

Hydrangea arborescens (leaves)

Hydrangea arborescens (leaves)

Hydrangea arborescens (flowers)

Hydrangea arborescens (flowers)

Hydrangea arborescens 'Annabelle' (flowers)

Hydrangea arborescens 'Annabelle' (flowers)

Hydrangea arborescens 'Dardom' (habit)

Hydrangea arborescens 'Dardom' (habit)

Hydrangea arborescens 'Dardom' (flowers)

Hydrangea arborescens 'Dardom' (flowers)

Hydrangea arborescens 'Hayes Starburst' (flowers)

Hydrangea arborescens 'Sterilis' (habit)

Hydrangea grandiflora (habit)

Hydrangea grandiflora (flowers)

Hydrangea heteromalla (flowers)

Hydrangea macrophylla (habit)

Hydrangea macrophylla (leaves)

Hydrangea macrophylla (flowers)

Hydrangea macrophylla (flowers)

Hydrangea macrophylla 'Bailday' (Light O' Day™) (flowers)

Hydrangea macrophylla 'Bailmer' (habit)

Hydrangea macrophylla 'Bailmer' (habit)

Hydrangea macrophylla 'Bailmer' (habit)

Hydrangea macrophylla 'Bailmer' (flowers)

Hydrangea macrophylla 'Bailmer' (flowers)

Hydrangea macrophylla 'Blaumeise' (flowers)

Hydrangea macrophylla 'Blaumeise' (flowers)

Hydrangea macrophylla 'Blue Billow' (flowers)

Hydrangea macrophylla 'Blue Danube' (flowers)

Hydrangea macrophylla 'Blue Danube' (flowers)

Hydrangea macrophylla 'Fuji-no-taki' (flowers)

Hydrangea macrophylla 'Fuji-no-taki' (flowers)

Hydrangea macrophylla 'Fuji-no-taki' (flowers)

Hydrangea macrophylla 'Fuji-no-taki' (flowers)

Hydrangea macrophylla 'Mariesii' (flowers)

Hydrangea macrophylla 'Mariesii' (flowers)

Hydrangea macrophylla 'Merritt's Supreme' (flowers)

Hydrangea macrophylla 'Monte Forte' (habit)

Hydrangea macrophylla 'Monte Forte' (flowers)

Hydrangea macrophylla 'Soeur Therese' (flowers)

Hydrangea macrophylla 'Variegata' (leaves)

Hydrangea macrophylla 'Variegata' (flowers)

Hydrangea macrophylla 'Variegata' (flowers)

Hydrangea paniculata (habit)

Hydrangea paniculata (leaves)

Hydrangea paniculata (flowers)

Hydrangea paniculata (flowers)

Hydrangea paniculata (flowers)

Hydrangea paniculata 'Bulk' (flowers)

Hydrangea paniculata 'Bulk' (flowers)

Hydrangea paniculata 'Little Lamb' (flowers)

Hydrangea paniculata 'Little Lamb' (flowers)

Hydrangea paniculata 'Tardiva' (habit)

Hydrangea paniculata 'Tardiva' (flowers)

Hydrangea paniculata 'Tardiva' (flowers)

Hydrangea quercifolia (habit)

Hydrangea quercifolia (habit)

Hydrangea quercifolia (leaves)

Hydrangea quercifolia (leaves)

Hydrangea quercifolia (flowers)

Hydrangea quercifolia (flowers)

Hydrangea quercifolia (flowers)

Hydrangea quercifolia (fall color)

Hydrangea quercifolia (fall color)

Hydrangea quercifolia 'Pee Wee' (flowers)

Hydrangea quercifolia 'Pee Wee' (flowers)

Hydrangea serrata 'Woodlander' (flowers)

Hydrangea serrata 'Woodlander' (flowers)

Hydrangea serrata 'Woodlander' (flowers)

Hypericum 'Cfflpc-1' (Blue Velvet™) (flowers)

Hypericum 'Cfflpc-1' (Blue Velvet™) (flowers)

Hypericum 'Hidcote' (flowers)

Hypericum androsaemum 'Albury Purple' (flowers)

Hypericum androsaemum 'Albury Purple' (flowers)

Hypericum calycinum (leaves)

Hypericum calycinum (flowers)

Hypericum canadense (habit)

Hypericum canadense (flowers)

Hypericum canadense (flowers)

Hypericum kalmianum (flowers)

Hypericum kalmianum (flowers)

Hypericum kalmianum (flowers)

Hypericum kalmianum (flowers)

Hypericum mutilum (habit)

Hypericum mutilum (flowers)

Hypericum perforatum (flowers)

Iberis sempervirens (habit)

Iberis sempervirens (habit)

Iberis sempervirens (flowers)

Iberis sempervirens 'Snowflake' (habit)

Iberis tenoreana (habit)

Iberis tenoreana (habit)

Ilex 'Sparkleberry' (fruit)

Ilex crenata 'Butterball' (fruit)

Ilex crenata 'Convexa' (leaves)

Ilex crenata 'Golden Gem' (leaves)

Ilex crenata 'Golden Gem' (leaves)

Ilex crenata 'Repandens' (habit)

Ilex crenata 'Repandens' (habit)

Ilex crenata var. paludosa (leaves)

Ilex decidua (fruit)

Ilex decidua (fruit)

Ilex decidua (fruit)

Ilex decidua (fruit)

Ilex decidua (fruit)

Ilex decidua (fruit)

Ilex decidua 'Council Fire' (fruit)

Ilex decidua 'Pocohontas' (fruit)

Ilex decidua 'Sundance' (fruit)

Ilex decidua 'Sundance' (fruit)

Ilex montana (fruit)

Ilex montana (fruit)

Ilex opaca (habit)

Ilex opaca (habit)

Ilex opaca (fruit)

Ilex opaca (fruit)

Ilex opaca (fruit)

Ilex opaca (fruit)

Ilex opaca (fruit)

Ilex opaca (culture)

Ilex opaca (culture)

Ilex opaca 'Cheerful' (habit)

Ilex opaca 'Cheerful' (fruit)

Ilex opaca 'Cheerful' (fruit)

Ilex opaca 'Eleanor' (fruit)

Ilex opaca 'Eleanor' (fruit)

Ilex opaca forma xanthocarpa (fruit)

Ilex pedunculosa (fruit)

Ilex pedunculosa (fruit)

Ilex vertcillata 'Shortcake' (fruit)

Ilex vertcillata 'Shortcake' (fruit)

Ilex vertcillata 'Shortcake' (fruit)

Ilex vertcillata 'Shortcake' (fruit)

Ilex vertcillata 'Shortcake' (fruit)

Ilex vertcillata 'Shortcake' (fruit)

Ilex verticillata (leaves)

Ilex verticillata (fruit)

Ilex verticillata (fruit)

Ilex verticillata (fruit)

Ilex verticillata 'Bonfire' (habit)

Ilex verticillata 'Bonfire' (habit)

Ilex verticillata 'Bonfire' (fruit)

Ilex verticillata 'Firestorm' (habit)

Ilex verticillata 'Firestorm' (fruit)

Ilex verticillata 'Firestorm' (fruit)

Ilex verticillata 'Firestorm' (fruit)

Ilex verticillata 'Oosterwijk' (fruit)

Ilex verticillata 'Oosterwijk' (fruit)

Ilex verticillata 'Red Sprite' (habit)

Ilex verticillata 'Spriber' (fruit)

Ilex verticillata 'Spriber' (fruit)

Ilex verticillata 'Tasquam' (fruit)

Ilex verticillata 'Tasquam' (fruit)

Ilex verticillata 'Tasquam' (fruit)

Ilex verticillata 'Winter Gold' (fruit)

Ilex verticillata 'Winter Gold' (fruit)

Ilex verticillata 'Winter Gold' (fruit)

Ilex verticillata 'Winter Gold' (fruit)

Ilex verticillata 'Winter Gold' (fruit)

Ilex verticillata 'Winter Red' (habit)

Ilex verticillata 'Winter Red' (fruit)

Ilex verticillata 'Winter Red' (fruit)

Ilex verticillata 'Winter Red' (fruit)

Ilex verticillata 'Winter Red' (fall color)

Ilex vomitoria (leaves)

Ilex vomitoria (fruit)

Ilex vomitoria (fruit)

Ilex vomitoria (fruit)

Ilex vomitoria (fruit)

Ilex vomitoria (fruit)

Ilex x 'Carolina Cardinal' (fruit)

Ilex x 'Mary Nell' (habit)

Ilex x 'Mary Nell' (leaves)

Ilex x 'Mary Nell' (fruit)

Ilex x aquipernyi 'San Jose' (fruit)

Ilex x attenuata 'Foster's #2' (habit)

Ilex x attenuata 'Foster's #2' (leaves)

Ilex x attenuata 'Foster's #2' (fruit)

Ilex x attenuata 'Foster's #2' (fruit)

Ilex x attenuata 'Longwood Gold' (fruit)

Ilex x attenuata 'Sunny Foster' (leaves)

Ilex x attenuata 'Sunny Foster' (leaves)

Ilex x meserveae 'Blue Girl' (fruit)

Ilex x meserveae 'Blue Girl' (fruit)

Ilex x meserveae 'Blue Maid' (fruit)

Ilex x meserveae 'Honey Maid' (leaves)

Ilex x meserveae 'Honey Maid' (leaves)

Illicium floridanum (flowers)

Illicium floridanum (flowers)

Illicium floridanum (flowers)

Illicium floridanum (flowers)

Impatiens 'Accent Bright Eyes' (flowers)

Impatiens 'Accent Pink' (flowers)

Impatiens 'Cajun Watermelon' (flowers)

Impatiens 'Coral Splash' (flowers)

Impatiens 'Coral Splash' (flowers)

Impatiens 'Dazzler Coral Improved' (flowers)

Impatiens 'Dazzler White' (habit)

Impatiens 'Dazzler White' (flowers)

Impatiens 'Fusion Glow' (flowers)

Impatiens 'Impact Coral' (habit)

Impatiens 'Impact Coral' (flowers)

Impatiens 'Impreza Cherry Splash' (flowers)

Impatiens 'Impreza Cherry Splash' (flowers)

Impatiens 'Impreza Cherry Splash' (flowers)

Impatiens 'Mini Firefly Lavender' (habit)

Impatiens 'Pink Ruffles' (flowers)

Impatiens 'Salmon Sunrise' (flowers)

Impatiens 'Tempo Blush' (habit)

Impatiens 'Tempo Blush' (flowers)

Impatiens 'Tempo Butterfly Cherry' (habit)

Impatiens 'Tempo Butterfly Cherry' (flowers)

Impatiens 'Tempo White' (habit)

Impatiens capensis (flowers)

Impatiens hawkeri 'VINFLAVIMP' (flowers)

Impatiens pallida (flowers)

Impatiens platypeltatum 'Divine White' (flowers)

Impatiens platypeltatum 'Orange Gem' (flowers)

Impatiens platypeltatum 'Orchid Star' (habit)

Impatiens platypeltatum 'Ovation Blush Pink' (flowers)

Impatiens platypeltatum 'Ovation Deep Orange' (habit)

Impatiens platypeltatum 'Ovation Hot Lava' (flowers)

Impatiens platypeltatum 'Ovation Lavender' (habit)

Impatiens platypeltatum 'Ovation Orange Swirl' (flowers)

Impatiens platypeltatum 'Ovation Orange Swirl' (flowers)

Impatiens platypeltatum 'Ovation Red' (habit)

Impatiens platypeltatum 'Ovation Red' (flowers)

Impatiens platypeltatum 'Ovation Rose Swirls' (habit)

Impatiens platypeltatum 'Ovation Rose Swirls' (flowers)

Impatiens platypeltatum 'Ovation Salmon' (habit)

Impatiens platypeltatum 'Ovation Salmon' (flowers)

Impatiens platypeltatum 'Purple Gem' (flowers)

Impatiens platypeltatum 'Red Peppermint' (habit)

Impatiens platypeltatum 'Red Peppermint' (flowers)

Impatiens platypeltatum 'Tango' (habit)

Impatiens platypeltatum 'Tango' (flowers)

Impatiens spp. (habit)

Imperata cylindrica 'Red Baron' (habit)

Incarvillea sinensis 'Cheron White' (flowers)

Incarvillea sinensis 'Cheron White' (flowers)

Incarvillea sinensis 'Cheron White' (flowers)

Indigofera kirilowii (fall color)

Inula ensifolia 'Compacta' (habit)

Inula ensifolia 'Compacta' (flowers)

Inula magnifica (habit)

Inula magnifica (flowers)

Inula royleana (flowers)

Inula royleana (flowers)

Ipomaea tricolor 'Midnight Blue' (habit)

Ipomaea tricolor 'Midnight Blue' (flowers)

Ipomoea batatas 'Blackie' (habit)

Ipomoea batatas 'Blackie' (habit)

Ipomoea batatas 'Margueritte' (habit)

Ipomoea batatas 'Margueritte' (habit)

Ipomoea x multifida (habit)

Ipomoea x multifida (flowers)

Ipomoea x multifida (flowers)

Ipomoea x multifida (flowers)

Iresine 'Purple Lady' (leaves)

Iris 'Batik' (flowers)

Iris 'Black Suede' (habit)

Iris 'Black Suede' (flowers)

Iris 'Brassie' (flowers)

Iris 'Dumbledore' (flowers)

Iris 'Fancy Caper' (habit)

Iris 'Kingfisher Blue' (flowers)

Iris 'Little Sapphire' (habit)

Iris 'Little Sapphire' (habit)

Iris 'Little Sapphire' (flowers)

Iris 'Little Sapphire' (flowers)

Iris 'Little Sapphire' (flowers)

Iris 'Little Sapphire' (flowers)

Iris 'Serenity Prayer' (flowers)

Iris 'Sugar Snaps' (flowers)

Iris 'Sugar Snaps' (flowers)

Iris 'Sun Doll' (habit)

Iris 'Sun Doll' (flowers)

Iris cristata (habit)

Iris cristata (habit)

Iris cristata (flowers)

Iris cristata (flowers)

Iris cristata (flowers)

Iris danfordiae (flowers)

Iris laevigata (flowers)

Iris pallida (habit)

Iris pallida (flowers)

Iris pallida (flowers)

Iris pallida 'Variegata' (habit)

Iris pallida 'Variegata' (flowers)

Iris reticulata (habit)

Iris sibirica (flowers)

Iris sibirica 'Caesar's Brother' (flowers)

Iris typhifolia (flowers)

Iris x 'Cherry' (flowers)

Isotoma axillaris 'Beth's Blue' (flowers)

Isotoma axillaris 'Beth's Blue' (flowers)

Itea virginica (habit)

Itea virginica (flowers)

Itea virginica (flowers)

Itea virginica (flowers)

Itea virginica 'Henry's Garnet' (fall color)

Itea virginica 'Henry's Garnet' (fall color)

Jasminum mesnyi (habit)

Jasminum mesnyi (flowers)

Jasminum mesnyi (flowers)

Jasminum mesnyi (flowers)

Jasminum nudiflorum (flowers)

Jasminum polyanthum (flowers)

Jasminum polyanthum (flowers)

Jasminum polyanthum (flowers)

Juglans nigra (habit)

Juglans nigra (habit)

Juglans nigra (fruit)

Juglans nigra (fruit)

Juglans nigra (fruit)

Juglans nigra 'Laciniata' (habit)

Juniperus chinensis 'Old Gold' (habit)

Juniperus chinensis 'Pfitzeriana Glauca' (habit)

Juniperus chinensis 'Skybrook Gold' (habit)

Juniperus communis 'Gold Cone' (habit)

Juniperus conferta 'Blue Pacific' (habit)

Juniperus horizontalis 'Mother Lode' (habit)

Juniperus rigida (habit)

Juniperus rigida (leaves)

Juniperus scopulorum 'Moffettii' (habit)

Juniperus scopulorum 'Moonglow' (habit)

Juniperus squamata 'Blue Star' (habit)

Juniperus squamata 'Dream Joy' (habit)

Juniperus squamata 'Dream Joy' (leaves)

Juniperus squamata 'Dream Joy' (leaves)

Juniperus virginiana (habit)

Juniperus virginiana (habit)

Juniperus virginiana 'Canaertii' (habit)

Juniperus virginiana 'Glauca' (habit)

Juniperus virginiana 'Glauca' (habit)

Juniperus virginiana 'Hillii' (habit)

Juniperus x pftizeriana (habit)

Kalanchoe tomentosa (habit)

Kalimeris incisa 'Blue Star' (flowers)

Kalimeris integrifolia (flowers)

Kalimeris yomena 'Shogun' (leaves)

Kerria japonica (habit)

Kerria japonica (flowers)

Kerria japonica (flowers)

Kerria japonica 'Albescens' (flowers)

Kerria japonica 'Albescens' (flowers)

Kerria japonica 'Golden Guinea' (flowers)

Kerria japonica 'Kin Kan' (buds)

Kerria japonica 'Kin Kan' (buds)

Kerria japonica 'Picta' (leaves)

Kerria japonica 'Picta' (flowers)

Kerria japonica 'Pleniflora' (habit)

Kerria japonica 'Pleniflora' (habit)

Kerria japonica 'Pleniflora' (flowers)

Knautia macedonica 'Thunder and Lightning' (habit)

Knautia macedonica 'Thunder and Lightning' (flowers)

Kniphofia 'Primrose Beauty' (flowers)

Koelreuteria paniculata (fruit)

Koelreuteria paniculata (fruit)

Koelreuteria paniculata (bark)

Kolkwitzia amabilis (habit)

Kolkwitzia amabilis (leaves)

Kolkwitzia amabilis (flowers)

Kolkwitzia amabilis (flowers)

Kolkwitzia amabilis (flowers)

Lablab purpureus (flowers)

Lablab purpureus (fruit)

Laburnum x wateri (habit)

Laburnum x wateri (flowers)

Lagerstroemia indica (bark)

Lagerstroemia indica (bark)

Lagerstroemia indica (bark)

Lamiastrum galeobdolan 'Variegatum' (habit)

Lamiastrum galeobdolan 'Variegatum' (flowers)

Lamiastrum galeobdolan 'Variegatum' (flowers)

Lamium maculatum (flowers)

Lamium maculatum (flowers)

Lamium maculatum 'Pink Pewter' (flowers)

Lamium maculatum 'Pink Pewter' (flowers)

Lamium maculatum 'White Nancy' (flowers)

Lamium maculatum 'White Nancy' (flowers)

Lantana 'Miss Huff' (habit)

Lantana 'Patriot® Sunburst' (flowers)

Lantana 'Patriot® Sunburst' (flowers)

Lantana camara 'Balucemlow' (flowers)

Lantana montevidensis (flowers)

Larix decidua (habit)

Larix decidua (leaves)

Larix decidua (flowers)

Larix decidua (flowers)

Larix decidua (fruit)

Larix decidua 'Pendula' (habit)

Larix decidua ssp. polonica (habit)

Larix decidua ssp. polonica (fall color)

Larix gmelinii var. olgensis (habit)

Larix gmelinii var. olgensis (fall color)

Larix gmelinii var. olgensis (fall color)

Larix gmelinii var. principis-rupprechtii (habit)

Larix gmelinii var. principis-rupprechtii (fruit)

Larix kaempferi 'Diane' (leaves)

Larix laricina (habit)

Larix laricina (leaves)

Lathyrus latifolius 'Blushing Bride' (flowers)

Lathyrus latifolius 'Red Pearl' (flowers)

Lathyrus odoratus 'Old Spice Mix' (flowers)

Laurus nobilis (leaves)

Lavandula angustifolia 'Nana Atropurpurea' (habit)

Lavatera 'White Satin' (flowers)

Lavatera 'White Satin' (flowers)

Lavatera thuringiaca (flowers)

Leptinella squalida 'Platt's Black' (leaves)

Leptodermis oblonga (flowers)

Leptodermis oblonga (flowers)

Leucanthemum x superbum 'Daisy May' (flowers)

Leucanthemum x superbum 'Daisy May' (flowers)

Leucanthemum x superbum 'Daisy May' (flowers)

Leucanthemum x superbum 'Daisy May' (flowers)

Leucanthemum x superbum 'Snow Lady' (flowers)

Leucanthemum x superbum 'Switzerland' (flowers)

Leucojum aestivum (habit)

Leucojum aestivum (habit)

Leucojum aestivum (flowers)

Leucojum aestivum (flowers)

Leucothoe fontanesiana (leaves)

Leucothoe fontanesiana 'Girard's Rainbow' (leaves)

Leucothoe fontanesiana 'Girard's Rainbow' (flowers)

Lewisia 'Little Peach' (flowers)

Lewisia 'Little Plum' (flowers)

Lewisia 'Little Plum' (flowers)

Lewisia 'Little Plum' (flowers)

Lewisia cotyledon 'Regenbogen' mixed (habit)

Lewisia cotyledon 'Regenbogen' mixed (flowers)

Liatris microcephala (flowers)

Liatris pycnostachya (flowers)

Liatris spicata 'Kobold' (habit)

Liatris spicata 'Kobold' (flowers)

Liatris spicata 'Kobold' (culture)

Ligularia 'Little Rocket' (flowers)

Ligustrum japonicum 'Jack Frost' (habit)

Ligustrum japonicum 'Jack Frost' (habit)

Lilium 'African Queen' (flowers)

Lilium 'African Queen' (flowers)

Lilium 'Black Beauty' (flowers)

Lilium 'Exotica' (flowers)

Lilium 'Lemon Pixie' (flowers)

Lilium 'Lemon Pixie' (flowers)

Lilium 'Mona Lisa' (flowers)

Lilium 'Nikita' (flowers)

Lilium 'Orange Pixie' (flowers)

Lilium 'Silk Road' (habit)

Lilium 'Silk Road' (flowers)

Lilium 'Silk Road' (flowers)

Lilium 'Stargazer' (flowers)

Lilium longiflorum (flowers)

Lilium maculatum var. davuricum 'Japanese Double' (flowers)

Lilium spp. (habit)

Lilium x asiatic (flowers)

Linaria vulgaris (flowers)

Lindera benzoin (flowers)

Lindera benzoin (fruit)

Lindera benzoin (fruit)

Lindera benzoin (fruit)

Lindera benzoin (fruit)

Liquidambar styraciflua (fruit)

Liquidambar styraciflua (fall color)

Liquidambar styraciflua (fall color)

Liquidambar styraciflua 'Gold Dust' (leaves)

Liquidambar styraciflua 'Gold Dust' (leaves)

Liquidambar styraciflua 'Rotundifolia' (leaves)

Liquidambar styraciflua 'Rotundifolia' (leaves)

Liquidambar styraciflua 'Rotundifolia' (fall color)

Liriodendron tulipifera (flowers)

Liriodendron tulipifera (flowers)

Liriodendron tulipifera (flowers)

Liriodendron tulipifera (fall color)

Liriodendron tulipifera (fall color)

Liriodendron tulipifera (fall color)

Liriope muscari 'Silvery Sunproof' (habit)

Liriope muscari 'Variegata' (habit)

Lisianthus russellianus 'Forever Blue' (flowers)

Lithocarpus densiflorus (leaves)

Lithocarpus densiflorus (leaves)

Lithospermum canescens (flowers)

Lobelia 'KLELE12473' (flowers)

Lobelia 'KLELE12474' (habit)

Lobelia 'KLELE12474' (flowers)

Lobelia cardinalis (habit)

Lobelia cardinalis (flowers)

Lobelia erinus (flowers)

Lobelia spicata (flowers)

Lobularia maritima (flowers)

Lobularia maritima 'Royal Carpet' (flowers)

Lobularia maritima 'Snow Crystals' (habit)

Lobularia maritima 'Snow Crystals' (habit)

Lonicera alpigena 'Nana' (habit)

Lonicera ciliosa (flowers)

Lonicera involucrata (leaves)

Lonicera japonica 'Purpurea' (flowers)

Lonicera japonica 'Purpurea' (flowers)

Lonicera japonica 'Purpurea' (flowers)

Lonicera korolkowii (flowers)

Lonicera ledebourii (flowers)

Lonicera ledebourii (flowers)

Lonicera maackii (leaves)

Lonicera maackii (flowers)

Lonicera maackii (flowers)

Lonicera maackii (fruit)

Lonicera maackii (fruit)

Lonicera maackii (fruit)

Lonicera periclymenum 'Serotina' (flowers)

Lonicera periclymenum 'Serotina' (flowers)

Lonicera periclymenum 'Serotina' (flowers)

Lonicera prolifera (habit)

Lonicera prolifera (flowers)

Lonicera prolifera (flowers)

Lonicera prolifera (flowers)

Lonicera prolifera (fruit)

Lonicera prolifera (fall color)

Lonicera ruprechtiana (habit)

Lonicera ruprechtiana (flowers)

Lonicera ruprechtiana (flowers)

Lonicera ruprechtiana (flowers)

Lonicera sempervirens (habit)

Lonicera sempervirens (flowers)

Lonicera sempervirens (flowers)

Lonicera sempervirens (flowers)

Lonicera sempervirens 'Cedar Lane' (flowers)

Lonicera tatarica (flowers)

Lonicera tatarica (fruit)

Lonicera tatarica (fruit)

Lonicera tatarica 'Arnold Red' (habit)

Lonicera tatarica 'Arnold Red' (flowers)

Lonicera tatarica 'Arnold Red' (flowers)

Lonicera x purpusii (fruit)

Lonicera x xylosteoides 'Clavey's Dwarf' (leaves)

Lonicera x xylosteoides 'Clavey's Dwarf' (flowers)

Loropetalum chinense (habit)

Loropetalum chinense (flowers)

Loropetalum chinense (flowers)

Loropetalum chinense var. rubrum 'Zhuzhou Fuschia' (habit)

Loropetalum chinense var. rubrum 'Zhuzhou Fuschia' (flowers)

Loropetalum chinense var. rubrum 'Zhuzhou Fuschia' (flowers)

Loropetalum chinense var. rubrum 'Zhuzhou Fuschia' (flowers)

Loropetalum chinense var. rubrum 'Zhuzhou Fuschia' (culture)

Lunaria annua (habit)

Lunaria annua (flowers)

Lupinus perennis (flowers)

Lychnis chalcedonica (habit)

Lychnis coronaria (flowers)

Lychnis coronaria (flowers)

Lycoris squamigera (flowers)

Lysimachia ciliata 'Atropurpurea' (flowers)

Lysimachia clethroides (flowers)

Lysimachia congestiflora 'Outback Sunset' (habit)

Lysimachia congestiflora 'Outback Sunset' (flowers)

Lysimachia japonica var. minutissima (flowers)

Lysimachia nummularia 'Aurea' (habit)

Lysimachia nummularia 'Aurea' (habit)

Lysimachia nummularia 'Aurea' (leaves)

Lysimachia punctata (flowers)

Lysimachia punctata 'Alexander' (flowers)

Lythrum salicaria (habit)

Lythrum salicaria (flowers)

Maackia amurensis (habit)

Maackia amurensis (habit)

Maackia amurensis (leaves)

Maackia amurensis (flowers)

Maackia amurensis (flowers)

Maackia amurensis (flowers)

Maackia amurensis (flowers)

Maackia chinensis (habit)

Maackia chinensis (leaves)

Maackia chinensis (flowers)

Maackia fauriei (leaves)

Magnolia 'Ann' (habit)

Magnolia 'Ann' (flowers)

Magnolia 'Ann' (flowers)

Magnolia 'Butterfly' (flowers)

Magnolia 'Butterfly' (flowers)

Magnolia 'Butterfly' (flowers)

Magnolia 'Elizabeth' (habit)

Magnolia 'Elizabeth' (flowers)

Magnolia 'Elizabeth' (flowers)

Magnolia 'Galaxy' (habit)

Magnolia 'Galaxy' (flowers)

Magnolia 'Galaxy' (flowers)

Magnolia 'Gold Star' (flowers)

Magnolia 'Gold Star' (flowers)

Magnolia 'Jane' (habit)

Magnolia 'Jane' (flowers)

Magnolia 'Jane' (flowers)

Magnolia 'Jane' (flowers)

Magnolia 'March Till Frost' (flowers)

Magnolia 'March Till Frost' (flowers)

Magnolia 'Marillyn' (flowers)

Magnolia 'Randy' (flowers)

Magnolia 'Randy' (flowers)

Magnolia 'Randy' (flowers)

Magnolia 'Raspberry Ice' (flowers)

Magnolia 'Raspberry Ice' (flowers)

Magnolia 'Solar Flare' (flowers)

Magnolia 'Solar Flare' (flowers)

Magnolia 'Yellow Bird' (flowers)

Magnolia 'Yellow Bird' (flowers)

Magnolia 'Yellow Bird' (flowers)

Magnolia 'Yellow Bird' (flowers)

Magnolia 'Yellow Bird' (flowers)

Magnolia 'Yellow Bird' (flowers)

Magnolia 'Yellow Fever' (flowers)

Magnolia 'Yellow Fever' (flowers)

Magnolia 'Yellow Lantern' (flowers)

Magnolia 'Yellow Lantern' (flowers)

Magnolia acuminata (flowers)

Magnolia acuminata (flowers)

Magnolia acuminata (fruit)

Magnolia acuminata 'Elizabeth' (flowers)

Magnolia acuminata 'Elizabeth' (flowers)

Magnolia acuminata 'Elizabeth' (flowers)

Magnolia acuminata 'Goldstar' (flowers)

Magnolia denudata (flowers)

Magnolia grandiflora (habit)

Magnolia grandiflora (leaves)

Magnolia grandiflora (fruit)

Magnolia grandiflora (fruit)

Magnolia hypoleuca (flowers)

Magnolia kobus var. loebneri (habit)

Magnolia kobus var. loebneri (habit)

Magnolia kobus var. loebneri (flowers)

Magnolia kobus var. loebneri (flowers)

Magnolia kobus var. loebneri (flowers)

Magnolia kobus var. loebneri (flowers)

Magnolia kobus var. loebneri 'Leonard Messei' (habit)

Magnolia kobus var. loebneri 'Leonard Messei' (flowers)

Magnolia kobus var. loebneri 'Leonard Messei' (flowers)

Magnolia kobus var. loebneri 'Spring Snow' (habit)

Magnolia kobus var. loebneri 'Spring Snow' (habit)

Magnolia kobus var. loebneri 'Spring Snow' (flowers)

Magnolia kobus var. loebneri 'Spring Snow' (flowers)

Magnolia kobus var. loebneri 'Spring Snow' (flowers)

Magnolia kobus var. stellata (habit)

Magnolia kobus var. stellata (habit)

Magnolia kobus var. stellata (habit)

Magnolia kobus var. stellata (flowers)

Magnolia kobus var. stellata (flowers)

Magnolia kobus var. stellata 'Ballerina' (flowers)

Magnolia kobus var. stellata 'Centennial' (flowers)

Magnolia kobus var. stellata 'Centennial' (flowers)

Magnolia kobus var. stellata 'Jane Platt' (habit)

Magnolia kobus var. stellata 'Jane Platt' (flowers)

Magnolia kobus var. stellata 'Jane Platt' (flowers)

Magnolia kobus var. stellata 'Jane Platt' (flowers)

Magnolia kobus var. stellata 'Rosea' (flowers)

Magnolia soulangiana (habit)

Magnolia soulangiana (habit)

Magnolia soulangiana (habit)

Magnolia soulangiana (habit)

Magnolia soulangiana (habit)

Magnolia soulangiana (leaves)

Magnolia soulangiana (flowers)

Magnolia soulangiana (flowers)

Magnolia soulangiana (flowers)

Magnolia soulangiana (flowers)

Magnolia soulangiana (flowers)

Magnolia soulangiana (flowers)

Magnolia soulangiana (fruit)

Magnolia virginiana (leaves)

Magnolia virginiana (flowers)

Magnolia virginiana (flowers)

Magnolia virginiana (fruit)

Magnolia virginiana (fruit)

Magnolia x brooklynensis 'Evamaria' (flowers)

Magnolia x brooklynensis 'Evamaria' (flowers)

Magnolia x kewensis 'Wada's Memory' (flowers)

Magnolia x kewensis 'Wada's Memory' (flowers)

Magnolia x loebneri (fruit)

Magnolia x soulangiana 'Picture' (flowers)

Magnolia x soulangiana 'Picture' (flowers)

Mahonia aquifolium (leaves)

Mahonia aquifolium (leaves)

Mahonia aquifolium (flowers)

Mahonia aquifolium (fruit)

Mahonia bealei (leaves)

Mahonia bealei (leaves)

Mahonia bealei (flowers)

Mahonia bealei (fruit)

Mahonia repens (fall color)

Mahonia x meadia 'Winter Sun' (habit)

Mahonia x meadia 'Winter Sun' (fruit)

Mahonia x meadia 'Winter Sun' (fruit)

Mahonia x meadia 'Winter Sun' (fruit)

Mahonia x media 'Lionel Fortescue' (habit)

Malus 'Adams' (fruit)

Malus 'Brandywine' (flowers)

Malus 'Brandywine' (flowers)

Malus 'Brandywine' (flowers)

Malus 'Brandywine' (flowers)

Malus 'Canary' (habit)

Malus 'Canary' (fruit)

Malus 'Canary' (fruit)

Malus 'David' (habit)

Malus 'David' (flowers)

Malus 'Ellen Gerhart' (fruit)

Malus 'Ellen Gerhart' (fruit)

Malus 'Ellen Gerhart' (fruit)

Malus 'Frettingham's Victoria' (flowers)

Malus 'Frettingham's Victoria' (flowers)

Malus 'Frettingham's Victoria' (fruit)

Malus 'Hargozam' (habit)

Malus 'Hargozam' (flowers)

Malus 'Harvest Gold' (habit)

Malus 'Harvest Gold' (fruit)

Malus 'Harvest Gold' (fruit)

Malus 'Harvest Gold' (fruit)

Malus 'Indian Magic' (fruit)

Malus 'Indian Magic' (fruit)

Malus 'Liset' (flowers)

Malus 'Liset' (flowers)

Malus 'Mary Potter' (fruit)

Malus 'Molten Lava' (habit)

Malus 'Molten Lava' (fruit)

Malus 'Molten Lava' (fruit)

Malus 'Molten Lava' (fruit)

Malus 'Prairie Maid' (habit)

Malus 'Prairie Maid' (flowers)

Malus 'Prairie Maid' (flowers)

Malus 'Prairifire' (habit)

Malus 'Prairifire' (habit)

Malus 'Prairifire' (habit)

Malus 'Prairifire' (flowers)

Malus 'Prairifire' (flowers)

Malus 'Prairifire' (flowers)

Malus 'Prairifire' (flowers)

Malus 'Ralph Shay' (fruit)

Malus 'Ralph Shay' (fruit)

Malus 'Red Jade' (fruit)

Malus 'Red Jade' (fruit)

Malus 'Red Jewel' (habit)

Malus 'Red Jewel' (flowers)

Malus 'Red Jewel' (fruit)

Malus 'Red Jewel' (fruit)

Malus 'Satin Cloud' (habit)

Malus 'Satin Cloud' (fruit)

Malus 'Satin Cloud' (fruit)

Malus 'Selkirk' (habit)

Malus 'Selkirk' (habit)

Malus 'Selkirk' (flowers)

Malus 'Selkirk' (flowers)

Malus 'Sentinel' (habit)

Malus 'Sentinel' (flowers)

Malus 'Silver Moon' (habit)

Malus 'Silver Moon' (flowers)

Malus 'Snowdrift' (fruit)

Malus 'Weepocanzum' (flowers)

Malus 'Weepocanzum' (fruit)

Malus 'White Angel' (fruit)

Malus 'White Cascade' (habit)

Malus 'White Cascade' (flowers)

Malus floribunda (habit)

Malus floribunda (flowers)

Malus floribunda (flowers)

Malus hupehensis (habit)

Malus ioensis 'Klehm's Select Bechtel' (habit)

Malus ioensis 'Klehm's Select Bechtel' (flowers)

Malus ioensis 'Klehm's Select Bechtel' (flowers)

Malus ioensis 'Klehm's Select Bechtel' (flowers)

Malus ioensis 'Klehm's Select Bechtel' (flowers)

Malus sargentii (habit)

Malus sargentii (flowers)

Malus sargentii (flowers)

Malus x 'Adirondack' (habit)

Malus x 'Centurion' (fruit)

Malus x 'Centurion' (fruit)

Malus zumi var. calocarpa (fruit)

Malus zumi var. calocarpa (fruit)

Malus zumi var. calocarpa (fruit)

Malva alcea 'Fastigiata' (habit)

Malva alcea 'Fastigiata' (habit)

Malva alcea 'Fastigiata' (habit)

Malva alcea 'Fastigiata' (flowers)

Malva sylvestris (flowers)

Malva sylvestris (flowers)

Malva sylvestris 'Primley Blue' (flowers)

Malva sylvestris 'Zebrina' (flowers)

Malva sylvestris 'Zebrina' (flowers)

Malva sylvestris 'Zebrina' (flowers)

Mammillaria pringlei (habit)

Mandevilla x amoena (flowers)

Marrubium incana (habit)

Marrubium incana (flowers)

Marrubium incana (flowers)

Marrubium rotundifolium (leaves)

Marsilea quadrifolia (habit)

Matteuccia struthiopteris (habit)

Matteuccia struthiopteris (habit)

Matteuccia struthiopteris (leaves)

Matteuccia struthiopteris (leaves)

Matthiola incana 'Cinderella Yellow' (flowers)

Matthiola incana 'Trysomic' (habit)

Matthiola incana 'Trysomic' (flowers)

Mazus reptans (flowers)

Mazus reptans (flowers)

Meehania cordata (flowers)

Meehania cordata (flowers)

Melampodium paludosum (habit)

Melampodium paludosum (flowers)

Melampodium paludosum (flowers)

Melampodium paludosum 'Showstar' (habit)

Melampodium paludosum 'Showstar' (flowers)

Melissa officinalis 'All Gold' (habit)

Mertensia echioides (flowers)

Mertensia virginica (habit)

Mertensia virginica (flowers)

Mertensia virginica (flowers)

Mertensia virginica (flowers)

Mertensia virginica (flowers)

Mertensia virginica (flowers)

Mertensia virginica (flowers)

Mespilus germanica 'Marrow' (flowers)

Miscanthus sinensis 'Adagio' (habit)

Miscanthus sinensis 'Morning Light' (habit)

Miscanthus sinensis 'Nippon' (habit)

Miscanthus sinensis 'Nippon' (habit)

Miscanthus sinensis 'Nippon' (habit)

Miscanthus sinensis 'Nippon' (habit)

Miscanthus x giganteus (habit)

Miscanthus x giganteus (habit)

Mitchella repens (habit)

Mitchella repens (flowers)

Monarda 'Cambridge Scarlet' (flowers)

Monarda 'Gardenview Scarlet' (habit)

Monarda 'Gardenview Scarlet' (flowers)

Monarda 'Raspberry Wine' (habit)

Monarda 'Raspberry Wine' (flowers)

Monarda didyma 'Jacob Cline' (habit)

Monarda didyma 'Jacob Cline' (flowers)

Monarda didyma 'Marshall's Delight' (habit)

Monarda didyma 'Marshall's Delight' (habit)

Monarda didyma 'Marshall's Delight' (flowers)

Monarda didyma 'Marshall's Delight' (flowers)

Monarda didyma 'Petite Delight' (habit)

Monarda didyma 'Petite Delight' (flowers)

Monarda didyma 'Snow White' (habit)

Monarda didyma 'Snow White' (flowers)

Monarda fistulosa (habit)

Monarda fistulosa (flowers)

Monotropa uniflora (habit)

Monstera deliciosa (leaves)

Morus alba 'Pendula' (habit)

Morus rubra (habit)

Morus rubra (leaves)

Morus rubra (leaves)

Morus rubra (leaves)

Muehlenbeckia axillaris (leaves)

Musa ornata (flowers)

Musa ornata (flowers)

Musa spp. (fruit)

Musa violacea (flowers)

Muscari armeniacum (habit)

Muscari armeniacum (habit)

Muscari armeniacum (flowers)

Muscari armeniacum (flowers)

Muscari armeniacum 'Valerie Finnis' (habit)

Muscari armeniacum 'Valerie Finnis' (flowers)

Myriophyllum aquaticum (habit)

Nandina domestica (fruit)

Nandina domestica (fruit)

Nandina domestica 'Wood's Dwarf' (habit)

Nandina domestica 'Wood's Dwarf' (fall color)

Nandina domestica var. leucocarpa (flowers)

Nandina domestica var. leucocarpa (flowers)

Narcissus 'Bell Song' (flowers)

Narcissus 'Blitz' (habit)

Narcissus 'Blitz' (flowers)

Narcissus 'Blitz' (flowers)

Narcissus 'Dress Circle' (flowers)

Narcissus 'Geranium' (habit)

Narcissus 'Geranium' (flowers)

Narcissus 'Geranium' (flowers)

Narcissus 'Geranium' (flowers)

Narcissus 'Glissando' (flowers)

Narcissus 'Glissando' (flowers)

Narcissus 'Ice Follies' (habit)

Narcissus 'Ice Follies' (flowers)

Narcissus 'Martinette' (flowers)

Narcissus 'Minnow' (habit)

Narcissus 'Minnow' (habit)

Narcissus 'Minnow' (flowers)

Narcissus 'Red Aria' (flowers)

Narcissus 'Red Aria' (flowers)

Narcissus 'Tahiti' (flowers)

Narcissus 'Tete a tete' (habit)

Narcissus 'Tete a tete' (habit)

Narcissus 'Tete a tete' (flowers)

Narcissus poeticus 'Actaea' (habit)

Narcissus poeticus 'Actaea' (flowers)

Narcissus poeticus 'Actaea' (flowers)

Neillia sinensis (flowers)

Neillia sinensis (flowers)

Nemophila menziesii (flowers)

Nepeta mussinii 'Blue Wonder' (habit)

Nepeta mussinii 'Blue Wonder' (flowers)

Neviusia alabamensis (flowers)

Nicotiana sylvestris (flowers)

Nicotiana sylvestris (flowers)

Nicotiana x sanderae 'Domino Limegreen' (habit)

Nicotiana x sanderae 'Domino Limegreen' (habit)

Nicotiana x sanderae 'Domino Limegreen' (flowers)

Nierembergia caerulea 'Purple Robe' (flowers)

Nipponanthemum nipponicum (flowers)

Nolina nelsonii (habit)

Nymphaea 'Wood's Blue Goddess' (flowers)

Nymphaea 'Wucai' (flowers)

Nymphaea spp. (habit)

Nymphaea spp. (flowers)

Nyssa sylvatica (habit)

Nyssa sylvatica (habit)

Nyssa sylvatica (habit)

Nyssa sylvatica (fruit)

Nyssa sylvatica (fruit)

Nyssa sylvatica (fruit)

Nyssa sylvatica (fall color)

Nyssa sylvatica (fall color)

Nyssa sylvatica (fall color)

Nyssa sylvatica 'Red Fury' (fall color)

Oenanthe javanica 'Flamingo' (leaves)

Oenothera 'InnOeno131' (Lemon Drop PBR) (flowers)

Oenothera fruticosa (habit)

Oenothera fruticosa ssp. glauca (flowers)

Oenothera macrocarpa (flowers)

Oenothera speciosa (flowers)

Oenothera speciosa 'Siskiyou' (flowers)

Oenothera speciosa 'Siskiyou' (flowers)

Oenothera speciosa 'Woodside White' (flowers)

Oenothera speciosa 'Woodside White' (flowers)

Omphalodes cappadocica 'Lilac Mist' (flowers)

Onoclea sensibilis (habit)

Onopordum acanthium (flowers)

Opuntia humifusa (habit)

Opuntia humifusa (flowers)

Opuntia humifusa (flowers)

Opuntia humifusa (fruit)

Opuntia macrocenatra var. santi-rita (habit)

Opuntia polyacantha (habit)

Opuntia polyacantha (flowers)

Origanum sipyleum (habit)

Origanum sipyleum (flowers)

Origanum sipyleum (flowers)

Origanum vulgare 'Variegatum' (habit)

Origanum vulgare 'Variegatum' (leaves)

Orixa japonica (leaves)

Orixa japonica (leaves)

Ornithogalum umbellatum (habit)

Ornithogalum umbellatum (habit)

Ornithogalum umbellatum (flowers)

Orontium aquaticum (flowers)

Osmanthus fragrans (flowers)

Osmanthus heterophyllus 'Goshiki' (leaves)

Osmanthus heterophyllus 'Goshiki' (leaves)

Osmunda claytonia (habit)

Osteospermum 'Orange Symphony' (flowers)

Osteospermum 'Soprano White' (flowers)

Osteospermum 'Soprano White' (flowers)

Osteospermum 'Soprano White' (flowers)

Osteospermum 'Wild Side' (flowers)

Osteospermum ecklonis 'Passion Mix' (flowers)

Osteospermum ecklonis 'Passion Mix' (flowers)

Osteospermum ecklonis 'White Lightning' (flowers)

Osteospermum ecklonis 'White Lightning' (flowers)

Ostrya virginiana (fruit)

Oxalis 'Coppertone' (habit)

Oxalis 'Coppertone' (flowers)

Oxalis regnellii var. atropurpurea (habit)

Oxalis regnellii var. atropurpurea (flowers)

Oxalis triangularis (habit)

Oxalis triangularis (flowers)

Oxalis triangularis (flowers)

Pachysandra procumbens (habit)

Pachysandra procumbens (habit)

Pachysandra procumbens (leaves)

Pachysandra procumbens (leaves)

Pachysandra terminalis 'Variegata' (leaves)

Pachystachys lutea (flowers)

Packera aurea (habit)

Packera aurea (flowers)

Paeonia 'Aurora Sunrise' (flowers)

Paeonia 'Belvedere Princess' (habit)

Paeonia 'Belvedere Princess' (flowers)

Paeonia 'Belvedere Princess' (flowers)

Paeonia 'Dinner Plate' (flowers)

Paeonia 'Embraceable' (flowers)

Paeonia 'Embraceable' (flowers)

Paeonia 'Hana-Daigan' (flowers)

Paeonia 'Hatsu-Hinode' (flowers)

Paeonia 'Hira-No-Yuki' (habit)

Paeonia 'Hira-No-Yuki' (flowers)

Paeonia 'Krinkled White' (flowers)

Paeonia 'Krinkled White' (flowers)

Paeonia 'Magenta Gem' (flowers)

Paeonia 'Paree Fru Fru' (flowers)

Paeonia 'Pillow Talk' (flowers)

Paeonia 'Pink Kisses' (flowers)

Paeonia 'Pink Kisses' (flowers)

Paeonia 'Prairie Moon' (flowers)

Paeonia 'Prairie Moon' (flowers)

Paeonia 'Prairie Moon' (flowers)

Paeonia 'Rock's Variety' (habit)

Paeonia 'Rock's Variety' (flowers)

Paeonia 'Roland' (flowers)

Paeonia 'Spiffy' (flowers)

Paeonia 'Sword Dance' (flowers)

Paeonia 'Taisho-No-Hokuri' (flowers)

Paeonia 'Taiya' (flowers)

Paeonia 'Touch of Class' (flowers)

Paeonia lactiflora (flowers)

Paeonia lactiflora (flowers)

Paeonia lactiflora 'Sarah Bernhardt' (flowers)

Paeonia suffruticosa 'Qing Xiang Bai' (habit)

Paeonia suffruticosa 'Qing Xiang Bai' (flowers)

Paeonia suffruticosa 'Zhu Sha Lei' (flowers)

Paeonia suffruticosa 'Zi Qiao' (flowers)

Paeonia suffruticosa 'Zi Qiao' (flowers)

Parrotiopsis jacquemontiana (flowers)

Parrotiopsis jacquemontiana (flowers)

Parthenium integrifolium (habit)

Parthenium integrifolium (flowers)

Parthenocissus tricuspidata (leaves)

Passiflora edulis (flowers)

Paulownia tomentosa (stems)

Paxistima canbyi (leaves)

Paxistima canbyi (leaves)

Paxistima canbyi (leaves)

Pelargonium quercifolium (flowers)

Pelargonium x hortorum 'American Light Salmon' (flowers)

Pelargonium x hortorum 'Apple Blossom' (flowers)

Pelargonium x hortorum 'Eclipse Red' (flowers)

Peltandra virginica (habit)

Pennisetum orientale (habit)

Pennisetum setaceum 'Rubrum' (habit)

Penstemon 'Lilliput Rose' (flowers)

Penstemon 'Lilliput Rose' (flowers)

Penstemon barbatus 'Elfin Pink' (habit)

Penstemon barbatus 'Elfin Pink' (flowers)

Penstemon barbatus var. praecox forma nanus 'Rondo' (flowers)

Penstemon digitalis (habit)

Penstemon digitalis (flowers)

Penstemon smallii (flowers)

Pentas lanceolata 'Butterfly Red' (flowers)

Pentas nobilis (habit)

Pentas nobilis (flowers)

Pentas nobilis (flowers)

Perovskia atriplicifolia (habit)

Perovskia atriplicifolia (flowers)

Persicaria affinis 'Darjeeling Red' (habit)

Persicaria amplexicaulis 'Atrosanguinea' (flowers)

Persicaria amplexicaulis 'Firetail' (flowers)

Persicaria orientale (habit)

Petasites us (habit)

Petunia 'BHTUN6202' (flowers)

Petunia 'Burgundy Star' (flowers)

Petunia 'Calimero Princess' (flowers)

Petunia 'Carpet Lilac' (flowers)

Petunia 'Cascading Purple Wave' (flowers)

Petunia 'Celebrity Hot Pink' (flowers)

Petunia 'Celebrity Neon' (flowers)

Petunia 'Celebrity Pink Morn' (flowers)

Petunia 'Celebrity Raspberry Ice' (flowers)

Petunia 'Celebrity Red Morn' (flowers)

Petunia 'Celebrity White' (flowers)

Petunia 'Cha-Ching Cherry' (flowers)

Petunia 'Cha-Ching Cherry' (flowers)

Petunia 'Chiffon Morn' (flowers)

Petunia 'Daddy Blue' (flowers)

Petunia 'Daddy Sugar' (flowers)

Petunia 'Daddy Sugar' (flowers)

Petunia 'Dream Salmon' (flowers)

Petunia 'Dreams Midnight Blue Improved' (flowers)

Petunia 'Fantasy Blue' (flowers)

Petunia 'Fantasy Ivory' (flowers)

Petunia 'Fantasy Light Blue' (flowers)

Petunia 'Fantasy Light Blue' (flowers)

Petunia 'Fantasy Pink' (habit)

Petunia 'Fantasy Pink' (flowers)

Petunia 'Fantasy Red' (flowers)

Petunia 'Flash Mob Bluerific' (habit)

Petunia 'Flash Mob Bluerific' (flowers)

Petunia 'Flash Mob Bluerific' (flowers)

Petunia 'Light Pink Vein' (flowers)

Petunia 'Merlin Blue Picotee' (flowers)

Petunia 'Merlin Blue Picotee' (flowers)

Petunia 'Plum Crazy Madness' (flowers)

Petunia 'Primetime Burgundy Star' (flowers)

Petunia 'Primetime Light Blue' (flowers)

Petunia 'Primetime Pink' (flowers)

Petunia 'Primetime Plum' (flowers)

Petunia 'Primetime Red Vein' (flowers)

Petunia 'Prism Sunshine' (flowers)

Petunia 'Supertunia Raspberry Blast' (flowers)

Petunia 'Supertunia Royal Velvet' (flowers)

Petunia 'Supertunia Silver' (habit)

Petunia 'Supertunia Silver' (flowers)

Petunia 'Tide Wave Hot Pink' (flowers)

Petunia grandiflora 'Appleblossom Dreams' (habit)

Petunia grandiflora 'Blue Daddy' (habit)

Petunia grandiflora 'Blue Daddy' (flowers)

Petunia grandiflora 'Dreams Pink' (habit)

Petunia grandiflora 'Dreams Pink' (habit)

Petunia grandiflora 'Dreams Pink' (flowers)

Petunia grandiflora 'Dreams Pink' (flowers)

Petunia grandiflora 'Dreams Red' (habit)

Petunia grandiflora 'Dreams Red' (flowers)

Petunia grandiflora 'Dreams Salmon' (flowers)

Petunia grandiflora 'Dreams White' (flowers)

Petunia grandiflora 'Misty Lilac Wave' (habit)

Petunia grandiflora 'Misty Lilac Wave' (flowers)

Petunia grandiflora 'Misty Lilac Wave' (flowers)

Petunia grandiflora 'Misty Lilac Wave' (flowers)

Petunia grandiflora 'Pink Wave' (habit)

Petunia grandiflora 'Purple Wave' (habit)

Petunia grandiflora 'Purple Wave' (flowers)

Petunia grandiflora 'Rose Wave' (habit)

Petunia grandiflora 'Rose Wave' (flowers)

Petunia grandiflora 'Ultra Red' (habit)

Petunia grandiflora 'Ultra Red' (flowers)

Petunia grandiflora 'Ultra Rose' (flowers)

Petunia milliflora 'Fantasy Carmine' (flowers)

Petunia milliflora 'Fantasy Carmine' (flowers)

Petunia milliflora 'Fantasy Crystal Red' (habit)

Petunia milliflora 'Fantasy Crystal Red' (flowers)

Petunia milliflora 'Fantasy Crystal Red' (flowers)

Petunia milliflora 'Fantasy Pink Morn' (habit)

Petunia milliflora 'Fantasy Pink Morn' (flowers)

Petunia milliflora 'Fantasy Pink Morn' (flowers)

Petunia milliflora 'Fantasy Pink Morn' (flowers)

Petunia milliflora 'Merlin Pink Morn' (flowers)

Petunia multiflora 'Merlin Blue' (habit)

Petunia multiflora 'Merlin Blue' (flowers)

Petunia multiflora 'Midnight Madness' (habit)

Petunia multiflora 'Midnight Madness' (flowers)

Phalaris arundinaceae var. picta (habit)

Phalaris arundinaceae var. picta (leaves)

Phaseolus coccineus 'Scaret Emperor' (habit)

Phaseolus coccineus 'Scaret Emperor' (flowers)

Phellodendron amurense (flowers)

Phellodendron amurense (flowers)

Philadelphus coronarius (flowers)

Philadelphus coronarius (flowers)

Philadelphus coronarius (flowers)

Philadelphus x virginalis 'Minnesota Snowflake' (flowers)

Phlox 'Miss Karen' (flowers)

Phlox 'Miss Karen' (flowers)

Phlox 'Miss Karen' (flowers)

Phlox 'Usphlo3' (flowers)

Phlox 'USPLX60306' (habit)

Phlox 'USPLX60306' (flowers)

Phlox 'USPLX60306' (flowers)

Phlox carolina 'Miss Lingaard' (flowers)

Phlox divaricata (habit)

Phlox divaricata (habit)

Phlox divaricata (flowers)

Phlox divaricata (flowers)

Phlox divaricata 'Dirigo Ice' (habit)

Phlox divaricata 'Dirigo Ice' (flowers)

Phlox divaricata 'Dirigo Ice' (flowers)

Phlox divaricata 'Fuller's White' (flowers)

Phlox glaberrima (habit)

Phlox maculata 'Natascha' (habit)

Phlox maculata 'Natascha' (flowers)

Phlox panicula 'Franz Schubert' (flowers)

Phlox paniculata (habit)

Phlox paniculata (habit)

Phlox paniculata (flowers)

Phlox paniculata 'Blue Paradise' (flowers)

Phlox paniculata 'Elizabeth' (flowers)

Phlox paniculata 'Laura' (habit)

Phlox paniculata 'Laura' (habit)

Phlox paniculata 'Laura' (habit)

Phlox paniculata 'Laura' (flowers)

Phlox paniculata 'Laura' (flowers)

Phlox paniculata 'Miss Elie' (habit)

Phlox paniculata 'Miss Holland' (habit)

Phlox paniculata 'Miss Holland' (flowers)

Phlox paniculata 'Miss Holland' (flowers)

Phlox paniculata 'Miss Holland' (flowers)

Phlox paniculata 'Pink Flame' (flowers)

Phlox paniculata 'Pink Flame' (flowers)

Phlox paniculata 'Red Magic' (flowers)

Phlox paniculata 'Red Riding Hood' (flowers)

Phlox paniculata 'Red Riding Hood' (flowers)

Phlox pilosa (flowers)

Phlox Spring Pearl 'Miss Mary' (habit)

Phlox Spring Pearl 'Miss Mary' (flowers)

Phlox stolonifera 'Karl-Otto's Blue' (flowers)

Phlox stolonifera 'Sherwood Purple' (habit)

Phlox stolonifera 'Sherwood Purple' (flowers)

Phlox stolonifera 'Sherwood Purple' (flowers)

Phlox stolonifera 'Sherwood Purple' (flowers)

Phlox subulata (habit)

Phlox subulata 'Candy Stripe' (flowers)

Phlox subulata 'Candy Stripe' (flowers)

Phlox subulata 'Candy Stripe' (flowers)

Physalis alkekengi (fruit)

Physocarpus opulifolius 'Diablo' (habit)

Physocarpus opulifolius 'Diablo' (leaves)

Phytolacca americana (flowers)

Picea abies (habit)

Picea abies (bark)

Picea abies 'Acrocona' (habit)

Picea abies 'Acrocona' (fruit)

Picea abies 'Argenteospica' (habit)

Picea abies 'Aurea Jacobsen' (habit)

Picea abies 'Cupressina' (habit)

Picea abies 'Inversa' (habit)

Picea abies 'Leslie' (habit)

Picea abies 'Little Gem' (habit)

Picea abies 'Pendula' (habit)

Picea abies 'Pendula' (habit)

Picea abies 'Pygmaea' (habit)

Picea abies 'Tabuliformis' (habit)

Picea abies 'Vermont Gold' (habit)

Picea abies 'Vermont Gold' (leaves)

Picea asperata 'Glauca' (habit)

Picea glauca 'Conica' (habit)

Picea glauca 'Conica' (habit)

Picea glauca 'Rainbow's End' (habit)

Picea mariana (habit)

Picea omorika (habit)

Picea omorika 'Expansa' (habit)

Picea omorika 'Nana' (habit)

Picea orientalis (habit)

Picea orientalis 'Skylands' (habit)

Picea orientalis 'Skylands' (leaves)

Picea orientalis 'Skylands' (leaves)

Picea pungens 'St. Mary's Broom' (habit)

Picea pungens 'Thomsen' (habit)

Picea pungens var. glauca (habit)

Picea pungens var. glauca 'Globosa' (habit)

Picea pungens var. glauca 'Globosa' (habit)

Picea pungens var. glauca 'Montgomery' (habit)

Picea pungens var. glauca 'Thume' (habit)

Picea wilsonii (habit)

Pieris japonica (flowers)

Pieris japonica (flowers)

Pieris japonica (flowers)

Pieris japonica (flowers)

Pinellia tripartita (habit)

Pinus ayacahuite x strobus (leaves)

Pinus ayacahuite x strobus (leaves)

Pinus ayacahuite x strobus (fruit)

Pinus bungeana (habit)

Pinus bungeana (leaves)

Pinus bungeana (bark)

Pinus densiflora 'Low Glow' (habit)

Pinus densiflora 'Oculis-draconis' (habit)

Pinus densiflora 'Oculis-draconis' (habit)

Pinus densiflora 'Oculis-draconis' (habit)

Pinus densiflora 'Oculis-draconis' (leaves)

Pinus densiflora 'Oculis-draconis' (leaves)

Pinus densiflora 'Oculis-draconis' (leaves)

Pinus heldreichii (habit)

Pinus heldreichii (habit)

Pinus heldreichii 'Aureaspicata' (habit)

Pinus koraiensis (habit)

Pinus koraiensis (habit)

Pinus koraiensis (leaves)

Pinus kwangtungensis (habit)

Pinus kwangtungensis (leaves)

Pinus nigra (habit)

Pinus nigra (habit)

Pinus nigra (leaves)

Pinus nigra (leaves)

Pinus parviflora (habit)

Pinus pumila (habit)

Pinus resinosa (bark)

Pinus strobus (habit)

Pinus strobus (leaves)

Pinus strobus 'Bergman's Oculus-draconis' (habit)

Pinus strobus 'Bergman's Oculus-draconis' (leaves)

Pinus strobus 'Contorta' (habit)

Pinus strobus 'Fastigiata' (habit)

Pinus strobus 'Fastigiata' (habit)

Pinus strobus 'Fastigiata' (habit)

Pinus strobus 'Golden Candles' (habit)

Pinus strobus 'Joe Libbee' (habit)

Pinus strobus 'Pendula' (habit)

Pinus strobus 'Shirley' (habit)

Pinus strobus 'Witches' Broom' (habit)

Pinus sylvestris (habit)

Pinus sylvestris 'Beuvronensis' (habit)

Pinus sylvestris 'Greg's Variegated' (habit)

Pinus sylvestris 'Greg's Variegated' (leaves)

Pinus sylvestris 'Wright Broom' (habit)

Pinus tabulaeformis (habit)

Pinus thunbergii 'Oculis-draconis' (leaves)

Pinus thunbergii 'Oculis-draconis' (leaves)

Pinus virginiana (fruit)

Pinus wallichiana (habit)

Pistia stratiotes (habit)

Pistia stratiotes (habit)

Pistia stratiotes (habit)

Pistia stratiotes (habit)

Platanus x acerifolia 'Liberty' (bark)

Platanus x acerifolia 'Suttneri' (bark)

Platycodon grandiflorus (flowers)

Platycodon grandiflorus (flowers)

Platycodon grandiflorus (flowers)

Platycodon grandiflorus 'Fairy Snow' (flowers)

Platycodon grandiflorus 'Fuji White' (flowers)

Plectranthus argenteus 'Silver Shield' (leaves)

Pleioblastus fortunei (habit)

Pleioblastus fortunei (leaves)

Pleioblastus viridistriatus (habit)

Pleopeltis polypodioides var. michauxiana (habit)

Pleopeltis polypodioides var. michauxiana (habit)

Pleopeltis polypodioides var. michauxiana (leaves)

Pleopeltis polypodioides var. michauxiana (leaves)

Plumbago auriculata 'Alba' (flowers)

Podophyllum peltatum (habit)

Podophyllum peltatum (habit)

Podophyllum peltatum (habit)

Podophyllum peltatum (flowers)

Podophyllum peltatum (flowers)

Polemonium caeruleum (flowers)

Polemonium caeruleum (flowers)

Polygonatum canaliculatum (habit)

Polygonatum canaliculatum (flowers)

Polygonatum canaliculatum (flowers)

Polygonatum canaliculatum (flowers)

Polygonatum canaliculatum (flowers)

Polygonatum canaliculatum (flowers)

Polygonatum canaliculatum (flowers)

Polygonatum curvistylum (flowers)

Polygonatum humile (flowers)

Polygonatum humile (flowers)

Polygonatum humile (flowers)

Polygonatum odoratum 'Flore Pleno' (flowers)

Polygonatum odoratum 'Flore Pleno' (flowers)

Polygonatum odoratum 'Flore Pleno' (flowers)

Polygonatum odoratum 'Flore Pleno' (flowers)

Polygonatum odoratum thunbergii 'Variegatum' (habit)

Polygonatum odoratum thunbergii 'Variegatum' (habit)

Polygonatum odoratum thunbergii 'Variegatum' (leaves)

Polygonatum odoratum thunbergii 'Variegatum' (leaves)

Polygonatum odoratum thunbergii 'Variegatum' (flowers)

Polygonum butora 'Superbum' (flowers)

Polygonum butora 'Superbum' (flowers)

Polygonum polymorphum (flowers)

Polystichum retrosopaleaceum (habit)

Poncirus trifoliata (stems)

Poncirus trifoliata (flowers)

Poncirus trifoliata (flowers)

Populus alba (habit)

Populus deltoides (habit)

Populus tremuloides (flowers)

Populus tremuloides (flowers)

Populus tremuloides (fall color)

Populus tremuloides (bark)

Portulaca 'Duet Yellow' (flowers)

Portulaca 'Ultra Powder Pink' (flowers)

Portulaca 'Ultra Sunshine' (flowers)

Portulaca grandiflora 'Happy Trails Primrose' (flowers)

Portulaca grandiflora 'Mohava Red' (flowers)

Portulaca grandiflora 'Sundial Fuchsia' (habit)

Portulaca grandiflora 'Sundial Fuchsia' (habit)

Portulaca grandiflora 'Sundial Fuchsia' (flowers)

Portulaca grandiflora 'Sundial Gold' (flowers)

Portulaca grandiflora 'Sundial Orange' (flowers)

Portulaca grandiflora 'Sundial Pink' (flowers)

Portulaca grandiflora 'Sundial Scarlet' (habit)

Portulaca grandiflora 'Sundial Scarlet' (flowers)

Potentilla 'Helen Jane' (flowers)

Potentilla 'Helen Jane' (flowers)

Potentilla alba (habit)

Potentilla alba (flowers)

Potentilla alba (flowers)

Potentilla atrosanguinea (flowers)

Potentilla atrosanguinea (flowers)

Potentilla fruticosa 'McKay's White' (habit)

Potentilla fruticosa 'McKay's White' (flowers)

Potentilla fruticosa 'Pink Beauty' (habit)

Potentilla fruticosa 'Pink Beauty' (flowers)

Potentilla fruticosa 'Pink Beauty' (flowers)

Potentilla nana (flowers)

Potentilla neumanniana 'Nana' (flowers)

Potentilla recta (flowers)

Primula denticulata (habit)

Primula denticulata (flowers)

Primula denticulata (flowers)

Primula japonica 'Miller's Crimson' (flowers)

Primula kisoana (flowers)

Primula kisoana 'Alba' (flowers)

Prunus 'Snow Goose' (flowers)

Prunus 'Snow Goose' (flowers)

Prunus buergeriana (fall color)

Prunus buergeriana (fall color)

Prunus cerasifera 'Pissardii' (flowers)

Prunus cerasifera 'Pissardii' (flowers)

Prunus cerasifera 'Thundercloud' (fall color)

Prunus glandulosa (habit)

Prunus glandulosa (flowers)

Prunus glandulosa (flowers)

Prunus laurocerasus 'Otto Luyken' (flowers)

Prunus laurocerasus 'Otto Luyken' (flowers)

Prunus maackii (bark)

Prunus mume 'Kobai' (flowers)

Prunus persica (habit)

Prunus persica (flowers)

Prunus persica (flowers)

Prunus persica (flowers)

Prunus persica 'Dwarf Double Red' (habit)

Prunus persica 'Dwarf Double Red' (flowers)

Prunus sargentii (fall color)

Prunus serrulata 'Kwanzan' (habit)

Prunus serrulata 'Kwanzan' (flowers)

Prunus serrulata 'Kwanzan' (flowers)

Prunus subhirtella var. autumnalis (flowers)

Prunus x 'Hally Jolivette' (habit)

Prunus x 'Hally Jolivette' (flowers)

Pseuderanthemum carruthersii var. carruthersii 'Reticulatum' (leaves)

Pseuderanthemum carruthersii var. carruthersii 'Reticulatum' (leaves)

Pseuderanthemum carruthersii var. carruthersii 'Reticulatum' (flowers)

Pseuderanthemum laxiflorum (flowers)

Pseudocydonia sinensis (flowers)

Pseudolarix amabilis (leaves)

Pseudolarix amabilis (flowers)

Pseudolarix amabilis (flowers)

Pseudotsuga menziesii (habit)

Pseudotsuga menziesii (fruit)

Pseudotsuga menziesii (fruit)

Pseudotsuga menziesii var. glauca (habit)

Ptelea trifoliata (fruit)

Pteridium aquilinum (habit)

Pteris cretica (leaves)

Pulmonaria 'Benediction' (flowers)

Pulmonaria longifolia 'Majeste' (habit)

Pulmonaria longifolia 'Majeste' (habit)

Pulmonaria saccharata (flowers)

Pulsatilla vulgaris 'Rode Klokke' (flowers)

Pulsatilla vulgaris 'Rode Klokke' (flowers)

Pulsatilla vulgaris 'Rode Klokke' (flowers)

Puschkinia scilloides (habit)

Puschkinia scilloides (habit)

Puschkinia scilloides (flowers)

Pycnanthemum tenuifolium (habit)

Pycnanthemum virginianum (flowers)

Pyracantha coccinea (flowers)

Pyracantha coccinea (fruit)

Pyracantha coccinea (fruit)

Pyracantha coccinea (fruit)

Pyracantha crenatoserrata 'Graberi' (fruit)

Pyracantha crenatoserrata 'Graberi' (fruit)

Pyracantha crenatoserrata 'Graberi' (fruit)

Pyracantha crenatoserrata 'Graberi' (culture)

Pyracantha koidzumii 'Victory' (habit)

Pyracantha koidzumii 'Victory' (fruit)

Pyrus calleryana 'Autumn Blaze' (habit)

Pyrus communis (flowers)

Pyrus communis (flowers)

Pyrus phaeocarpa (habit)

Pyrus phaeocarpa (flowers)

Pyrus phaeocarpa (flowers)

Quercus alba (habit)

Quercus alba (flowers)

Quercus alba (flowers)

Quercus alba (fall color)

Quercus alba (bark)

Quercus ellipsoidalis (habit)

Quercus ellipsoidalis (fall color)

Quercus frainetto (leaves)

Quercus frainetto (flowers)

Quercus glandulifera (fruit)

Quercus glandulifera (fruit)

Quercus macrocarpa (fall color)

Quercus marilandica (flowers)

Quercus muehlenbergii (habit)

Quercus muehlenbergii (leaves)

Quercus palustris (habit)

Quercus palustris (fall color)

Quercus palustris (fall color)

Quercus phellos (flowers)

Quercus robur (leaves)

Quercus robur (leaves)

Quercus rubra (flowers)

Quercus virginiana (habit)

Quercus virginiana (habit)

Ranunculus ficaria 'Greencourt Gold' (flowers)

Ranunculus repens 'Buttered Popcorn' (habit)

Ranunculus repens var. pleniflorus (habit)

Ranunculus repens var. pleniflorus (flowers)

Ranunculus septentrionalis (flowers)

Ratidiba pinnata (habit)

Ratidiba pinnata (habit)

Ratidiba pinnata (habit)

Ratidiba pinnata (flowers)

Rhapidophyllum hystrix (habit)

Rhexia virginica (flowers)

Rhododendron 'April Snow' (habit)

Rhododendron 'April Snow' (flowers)

Rhododendron 'Bouquet de Flore' (flowers)

Rhododendron 'Bouquet de Flore' (flowers)

Rhododendron 'Carrie Amanda Schroeder' (habit)

Rhododendron 'Carrie Amanda Schroeder' (flowers)

Rhododendron 'Carrie Amanda Schroeder' (flowers)

Rhododendron 'Carrie Amanda Schroeder' (flowers)

Rhododendron 'Carrie Amanda Schroeder' (flowers)

Rhododendron 'Cecile' (flowers)

Rhododendron 'Cecile' (flowers)

Rhododendron 'Clarice' (flowers)

Rhododendron 'Clarice' (flowers)

Rhododendron 'Clarice' (flowers)

Rhododendron 'Dexter's Appleblossom' (flowers)

Rhododendron 'Fireball' (habit)

Rhododendron 'Fireball' (habit)

Rhododendron 'Gable Budoir' (habit)

Rhododendron 'George Taber' (habit)

Rhododendron 'George Taber' (flowers)

Rhododendron 'Girard's Fuchsia' (habit)

Rhododendron 'Girard's Rose' (habit)

Rhododendron 'Karen's' (habit)

Rhododendron 'Karen's' (flowers)

Rhododendron 'Karen's' (flowers)

Rhododendron 'Kurume Coral Bells' (habit)

Rhododendron 'Kurume Glory' (habit)

Rhododendron 'Marjorie' (habit)

Rhododendron 'Marjorie' (flowers)

Rhododendron 'Marjorie' (flowers)

Rhododendron 'Moby Dick' (habit)

Rhododendron 'Moby Dick' (flowers)

Rhododendron 'Narcissiflora' (habit)

Rhododendron 'Nova Zembla' (flowers)

Rhododendron 'Nova Zembla' (flowers)

Rhododendron 'Olga Mezitt' (habit)

Rhododendron 'Olga Mezitt' (habit)

Rhododendron 'PJM' (habit)

Rhododendron 'PJM' (leaves)

Rhododendron 'PJM' (stems)

Rhododendron 'PJM' (flowers)

Rhododendron 'PJM' (flowers)

Rhododendron 'PJM' (fall color)

Rhododendron 'Renne' (flowers)

Rhododendron 'Sandra Ann' (habit)

Rhododendron 'Sandra Ann' (flowers)

Rhododendron 'Weston's Mayflower' (habit)

Rhododendron 'Weston's Mayflower' (flowers)

Rhododendron 'White Lights' (habit)

Rhododendron 'White Lights' (habit)

Rhododendron 'White Lights' (flowers)

Rhododendron 'White Lights' (flowers)

Rhododendron 'White Lights' (flowers)

Rhododendron 'White Lights' (fall color)

Rhododendron atlanticum (flowers)

Rhododendron calendulaceum (habit)

Rhododendron calendulaceum (flowers)

Rhododendron calendulaceum (flowers)

Rhododendron canescens 'Select Yellow' (flowers)

Rhododendron canescens 'Varnadoe Pink' (flowers)

Rhododendron canescens 'Varnadoe Pink' (flowers)

Rhododendron chapmanii (habit)

Rhododendron indicum (habit)

Rhododendron indicum (flowers)

Rhododendron indicum (flowers)

Rhododendron maximum (flowers)

Rhododendron mucronulatum (flowers)

Rhododendron mucronulatum (flowers)

Rhododendron mucronulatum (flowers)

Rhododendron yakusimanum 'Prince' (flowers)

Rhodotypos scandens (habit)

Rhodotypos scandens (flowers)

Rhodotypos scandens (flowers)

Rhodotypos scandens (flowers)

Rhodotypos scandens (fruit)

Rhodotypos scandens (fruit)

Rhodotypos scandens (fall color)

Rhus aromatica (fall color)

Rhus copallina (habit)

Rhus copallina (habit)

Rhus glabra (fruit)

Rhus glabra (fruit)

Rhus radicans (habit)

Rhus typhina (fruit)

Rhus typhina (fall color)

Rhus typhina 'Laciniata' (fall color)

Ribes americana (leaves)

Ribes odoratum (flowers)

Ribes odoratum (flowers)

Robinia pseudoacacia (flowers)

Robinia pseudoacacia (flowers)

Robinia pseudoacacia (flowers)

Robinia pseudoacacia (flowers)

Robinia pseudoacacia 'Aurea' (habit)

Rohdea japonica (habit)

Rosa 'Bermuda's Kathleen' (flowers)

Rosa 'Cesar E. Chavez' (flowers)

Rosa 'Cherry Parfait' (flowers)

Rosa 'Flo Nelson' (flowers)

Rosa 'Graham Thomas' (flowers)

Rosa 'Graham Thomas' (flowers)

Rosa 'Hall Plot' (flowers)

Rosa 'Hall Plot' (flowers)

Rosa 'Josephine Land' (flowers)

Rosa 'Josephine Land' (flowers)

Rosa 'Knockout' (habit)

Rosa 'Knockout' (flowers)

Rosa 'Knockout' (flowers)

Rosa 'Noisette Carnée' (flowers)

Rosa 'Pink Meidiland' (flowers)

Rosa 'Princesse de Monaco' (flowers)

Rosa 'Queen Elizabeth' (flowers)

Rosa 'Queen Elizabeth' (flowers)

Rosa 'Sea Foam' (flowers)

Rosa 'Simplicity' (flowers)

Rosa 'Simplicity' (flowers)

Rosa 'William Baffin' (habit)

Rosa 'William Baffin' (flowers)

Rosa 'William Baffin' (flowers)

Rosa 'William Baffin' (flowers)

Rosa 'William Baffin' (flowers)

Rosa 'William Baffin' (fruit)

Rosa 'William Baffin' (fruit)

Rosa eglanteria (flowers)

Rosa eglanteria (flowers)

Rosa eglanteria (flowers)

Rosa glauca (flowers)

Rosa rugosa (fall color)

Rosa rugosa 'Fru Dagmar Hastrup' (flowers)

Rosa rugosa 'Fru Dagmar Hastrup' (flowers)

Rosa x 'Henry Kelsey' (flowers)

Rosmarinus officinalis (flowers)

Rosmarinus officinalis 'Prostratus' (habit)

Rosmarinus officinalis 'Prostratus' (flowers)

Rubus allegheniensis (flowers)

Rubus allegheniensis (flowers)

Rubus arcticus (habit)

Rubus arcticus (flowers)

Rubus idaeus 'Aureus' (leaves)

Rubus idaeus 'Aureus' (leaves)

Rubus odoratus (flowers)

Rubus odoratus (flowers)

Rubus ulmifolius (leaves)

Rudbeckia 'Indian Summer' (habit)

Rudbeckia 'Indian Summer' (flowers)

Rudbeckia 'Indian Summer' (flowers)

Rudbeckia fulgida (flowers)

Rudbeckia hirta (habit)

Rudbeckia hirta (flowers)

Rudbeckia hirta (flowers)

Rudbeckia maxima (flowers)

Rudbeckia maxima (flowers)

Ruellia caroliniensis (flowers)

Ruellia humilis (habit)

Ruellia humilis (habit)

Ruellia humilis (flowers)

Ruellia humilis (flowers)

Ruellia humilis (flowers)

Ruellia strepens (habit)

Ruellia strepens (flowers)

Ruta graveolens (flowers)

Sagittaria latifolia (flowers)

Sagittaria rigida (flowers)

Salix caprea (habit)

Salix caprea (flowers)

Salix caprea (flowers)

Salix gracilistyla (leaves)

Salix gracilistyla (flowers)

Salix gracilistyla (flowers)

Salix matsudana 'Tortuosa' (bark)

Salix pentandra (habit)

Salix pentandra (leaves)

Salix pentandra (fruit)

Salvia 'Argent White' (habit)

Salvia 'Argent White' (flowers)

Salvia 'Argent White' (flowers)

Salvia 'Lady in Red' (flowers)

Salvia 'Vista Lavender' (flowers)

Salvia coccinea 'Coral' (habit)

Salvia faranacea 'Blue Bedder' (flowers)

Salvia faranacea 'Strata' (flowers)

Salvia faranacea 'Victoria' (habit)

Salvia faranacea 'Victoria' (habit)

Salvia faranacea 'Victoria' (flowers)

Salvia faranacea 'Victoria' (flowers)

Salvia greggii 'Cherry Chief' (flowers)

Salvia greggii 'Cherry Chief' (flowers)

Salvia guaranitica (flowers)

Salvia nemorosa 'Blue Hill' (flowers)

Salvia nemorosa 'Caradonna' (habit)

Salvia nemorosa 'East Friesland' (flowers)

Salvia nemorosa 'Plumosa' (flowers)

Salvia nemorosa 'Plumosa' (flowers)

Salvia officinalis (flowers)

Salvia officinalis (flowers)

Salvia officinalis 'Icterina' (habit)

Salvia officinalis 'Icterina' (leaves)

Salvia officinalis 'Tricolor' (leaves)

Salvia verticillata 'Purple Rain' (flowers)

Salvia x suberba 'Rose Queen' (flowers)

Salvia x superba 'May Night' (habit)

Salvia x superba 'May Night' (flowers)

Sambucus caerulea (leaves)

Sambucus caerulea (fruit)

Sambucus canadensis (habit)

Sambucus canadensis (leaves)

Sambucus canadensis (flowers)

Sambucus canadensis (flowers)

Sambucus canadensis (flowers)

Sambucus canadensis 'Actutiloba' (leaves)

Sambucus canadensis 'Actutiloba' (leaves)

Sambucus canadensis 'Sutherland Gold' (leaves)

Sambucus canadensis 'Sutherland Gold' (leaves)

Sambucus nigra 'Madonna' (habit)

Sambucus nigra 'Madonna' (habit)

Sambucus nigra 'Madonna' (leaves)

Sambucus nigra 'Madonna' (leaves)

Sambucus pubens (fruit)

Sambucus racemosa ssp. pubens (flowers)

Sambucus racemosa ssp. pubens (flowers)

Sanguinaria canadensis (habit)

Sanguinaria canadensis (habit)

Sanguinaria canadensis (habit)

Sanguinaria canadensis (habit)

Sanguinaria canadensis (habit)

Sanguinaria canadensis (habit)

Sanguinaria canadensis (flowers)

Sanguinaria canadensis (flowers)

Sanguinaria canadensis 'Flore Pleno' (flowers)

Sanguinaria canadensis forma multiplex (habit)

Sanguinaria canadensis forma multiplex (flowers)

Sanguinaria canadensis forma multiplex (flowers)

Sanguinaria canadensis forma multiplex (flowers)

Sanguisorba canadensis (flowers)

Sanguisorba tenuifolia 'Purpurea' (flowers)

Sanvitalia speciosa 'Sunbini' (habit)

Sanvitalia speciosa 'Sunbini' (flowers)

Saponaria ocymoides (habit)

Saponaria ocymoides (flowers)

Saponaria ocymoides (flowers)

Sarracenia minor (flowers)

Sarracenia purpurea var. burkii (habit)

Sarracenia rubra (habit)

Sarracenia rubra (flowers)

Saruma henryi (flowers)

Saruma henryi (flowers)

Sassafras albidum (leaves)

Sassafras albidum (leaves)

Sassafras albidum (buds)

Sassafras albidum (flowers)

Sassafras albidum (flowers)

Sassafras albidum (flowers)

Sassafras albidum (fall color)

Sassafras albidum (fall color)

Sassafras albidum (bark)

Scaevola 'Blue Shamrock' (flowers)

Schisandra chinensis (leaves)

Schisandra chinensis (flowers)

Schizophragma hydrangeoides (flowers)

Schizophragma hydrangeoides (flowers)

Schizophragma hydrangeoides (flowers)

Schizophragma hydrangeoides 'Moonlight' (habit)

Schizophragma hydrangeoides 'Moonlight' (leaves)

Schizophragma hydrangeoides 'Moonlight' (flowers)

Sciadopitys verticillata (leaves)

Scilla hispanica (habit)

Scilla siberica (habit)

Scilla siberica (habit)

Scilla siberica (flowers)

Scrophularia auriculata 'Variegata' (leaves)

Scutellaria alpina (flowers)

Scutellaria alpina (flowers)

Scutellaria orientalis 'Eastern Sun' (habit)

Scutellaria orientalis 'Eastern Sun' (flowers)

Scyphularia pentaphylla (habit)

Scyphularia pentaphylla (leaves)

Scyphularia pentaphylla (leaves)

Sedum 'Matrona' (habit)

Sedum 'Vera Jameson' (habit)

Sedum 'Vera Jameson' (flowers)

Sedum acre (flowers)

Sedum atlanticum 'Autumn Joy' (habit)

Sedum atlanticum 'Autumn Joy' (habit)

Sedum atlanticum 'Autumn Joy' (habit)

Sedum atlanticum 'Autumn Joy' (flowers)

Sedum japonicum 'Tokyo Sun' (habit)

Sedum kamtschaticum (habit)

Sedum kamtschaticum (flowers)

Sedum kamtschaticum 'Variegatum' (flowers)

Sedum spectabile (leaves)

Sedum spectabile (flowers)

Sedum spectabile 'Variegatum' (habit)

Sedum spectabile 'Variegatum' (flowers)

Sedum spurium 'Fuldaglut' (habit)

Sedum spurium 'Tricolor' (habit)

Sedum x 'Rosy Glow' (habit)

Sedum x 'Rosy Glow' (flowers)

Seemannia sylvatica (flowers)

Seemannia sylvatica (flowers)

Sempervivum arachnoideum (leaves)

Senecio glabellus (habit)

Senna alata (flowers)

Senna alata (flowers)

Senna alata (flowers)

Senna alata (flowers)

Senna surattensis (flowers)

Senna surattensis (flowers)

Serenoa repens (habit)

Silene regia (flowers)

Silene regia (flowers)

Silene regia (flowers)

Silphium laciniata (habit)

Silphium laciniata (flowers)

Silphium perfoliatum (leaves)

Silphium perfoliatum (flowers)

Silphium perfoliatum (flowers)

Silphium perfoliatum (flowers)

Silphium terebinthinaceeum (habit)

Sinojackia rehderiana (leaves)

Sinojackia rehderiana (flowers)

Sinojackia rehderiana (flowers)

Sinojackia rehderiana (flowers)

Sisyrinchium angustifolium 'Lucerne' (flowers)

Sisyrinchium angustifolium 'Lucerne' (flowers)

Smilacina stellata (habit)

Smilacina stellata (flowers)

Smilacina stellata (flowers)

Smilacina stellata (flowers)

Smilax bona-nox (fall color)

Smilax bona-nox (fall color)

Solanum dulcamara (flowers)

Solanum dulcamara (fruit)

Solanum dulcamara (fruit)

Solanum laxum 'Album Variegatum' (leaves)

Solanum quitoense (leaves)

Solanum quitoense (fruit)

Solanum tuberosum (flowers)

Solenostemon 'Colorblaze Marooned' (habit)

Solenostemon 'Colorblaze Marooned' (leaves)

Solenostemon scutellarioides 'Cocoa Mint' (leaves)

Solenostemon scutellarioides 'Cocoa Mint' (leaves)

Solenostemon scutellarioides 'Flame Thrower Spiced Curry' (habit)

Solenostemon scutellarioides 'Flame Thrower Spiced Curry' (leaves)

Solenostemon scutellarioides 'Flame Thrower Spiced Curry' (leaves)

Solenostemon scutellarioides 'Giant Exhibition Limelight' (habit)

Solenostemon scutellarioides 'Giant Exhibition Limelight' (leaves)

Solenostemon scutellarioides 'Red Ruffles' (habit)

Solenostemon scutellarioides 'Sedona' (flowers)

Solenostemon scutellarioides 'Trusty Rusty' (habit)

Solenostemon scutellarioides 'Trusty Rusty' (leaves)

Solenostemon scutellarioides 'Velvet Lime' (leaves)

Solenostemon scutellarioides 'Velvet Lime' (leaves)

Solenostemon scutellarioides 'Wizard Jade' (leaves)

Solidago 'Strahlenkrone' (habit)

Solidago altissima (flowers)

Solidago canadensis (habit)

Solidago canadensis (flowers)

Solidago rigida (habit)

Solidago rigida (flowers)

Solidago rugosa 'Fireworks' (habit)

Sophora japonica (leaves)

Sophora japonica (fruit)

Sophora japonica (fruit)

Sophora japonica 'Pendula' (habit)

Sophora japonica 'Pendula' (habit)

Sorbaria sorbifolia (flowers)

Sorbus americana (fruit)

Sorbus americana (fruit)

Spiraea betulifolia var. aemiliana (habit)

Spiraea betulifolia var. aemiliana (flowers)

Spiraea betulifolia var. aemiliana (flowers)

Spiraea chamaedryfolia (habit)

Spiraea chamaedryfolia (flowers)

Spiraea crenata (habit)

Spiraea crenata (flowers)

Spiraea fritschiana (fall color)

Spiraea latifolia (flowers)

Spiraea media (habit)

Spiraea media (flowers)

Spiraea media (flowers)

Spiraea prunifolia (flowers)

Spiraea prunifolia (flowers)

Spiraea prunifolia (flowers)

Spiraea prunifolia (fall color)

Spiraea x arguta (flowers)

Spiraea x bumalda 'Magic Carpet' (habit)

Spiraea x bumalda 'Magic Carpet' (flowers)

Spiraea x bumalda 'Magic Carpet' (flowers)

Spiraea x vanhouttei (habit)

Stachys byzantina (habit)

Stachys byzantina (flowers)

Stachys byzantina (flowers)

Stachys officinalis 'Hummelo' (habit)

Stachys officinalis 'Hummelo' (flowers)

Stachyurus praecox (flowers)

Stachyurus praecox (flowers)

Staphylea trifolia (flowers)

Staphylea trifolia (flowers)

Stephanandra incisa (fall color)

Strobilanthes dyerianus (habit)

Strobilanthes dyerianus (habit)

Strobilanthes dyerianus (leaves)

Strobilanthes dyerianus (leaves)

Stromanthe sanguinea 'Triostar' (habit)

Stromanthe sanguinea 'Triostar' (habit)

Strongylodon macrobotrys (flowers)

Strongylodon macrobotrys (flowers)

Strongylodon macrobotrys (flowers)

Stylophorum diphyllum (habit)

Stylophorum diphyllum (flowers)

Stylophorum diphyllum (flowers)

Styrax japonica (flowers)

Sutera cordata 'Danova906' (flowers)

Sutera cordata 'Danova906' (flowers)

Symphytum 'Hidcote Blue' (flowers)

Symphytum grandiflorum (habit)

Symphytum grandiflorum (flowers)

Symphytum grandiflorum 'Goldsmith' (flowers)

Symphytum officinale (flowers)

Symphytum officinale (flowers)

Symphytum x uplandicum 'Variegatum' (flowers)

Syringa 'Bailbelle' (Tinkerbelle™) (habit)

Syringa 'Bailbelle' (Tinkerbelle™) (flowers)

Syringa 'Bailbelle' (Tinkerbelle™) (flowers)

Syringa 'Bailbelle' (Tinkerbelle™) (flowers)

Syringa chinensis (flowers)

Syringa chinensis (flowers)

Syringa chinensis (flowers)

Syringa laciniata (flowers)

Syringa vulgaris 'Agincourt Beauty' (flowers)

Syringa vulgaris 'Albert F. Holden' (flowers)

Syringa vulgaris 'Atheline Wilbur' (flowers)

Syringa vulgaris 'Atheline Wilbur' (flowers)

Syringa vulgaris 'Aucubaefolia' (leaves)

Syringa vulgaris 'Aucubaefolia' (leaves)

Syringa vulgaris 'Charlotte Morgan' (flowers)

Syringa vulgaris 'Charlotte Morgan' (flowers)

Syringa vulgaris 'Fuerst Buelow' (habit)

Syringa vulgaris 'Fuerst Buelow' (flowers)

Syringa vulgaris 'General Sheridan' (flowers)

Syringa vulgaris 'Michelle Buchner' (flowers)

Syringa vulgaris 'Michelle Buchner' (flowers)

Syringa vulgaris 'Sensation' (flowers)

Syringa x persica 'Alba' (habit)

Syringa x persica 'Alba' (flowers)

Syringa x persica 'Alba' (flowers)

Syringa x persica 'Alba' (flowers)

Tagetes 'Antigua Yellow' (flowers)

Tagetes 'Atlantis Orange' (flowers)

Tagetes 'Atlantis Yellow' (flowers)

Tagetes 'Doubloon' (flowers)

Tagetes 'First Lady' (flowers)

Tagetes 'Jaguar' (flowers)

Tagetes 'Jubilee Diamond' (flowers)

Tagetes 'Jubilee Golden' (flowers)

Tagetes 'Jubilee Orange' (flowers)

Tamarix ramosissima 'Summer Glow' (flowers)

Tamarix ramosissima 'Summer Glow' (flowers)

Taraxacum officinale (habit)

Taraxacum officinale (flowers)

Taraxacum officinale (flowers)

Taxodium ascendens (habit)

Taxodium ascendens (habit)

Taxodium ascendens (leaves)

Taxodium ascendens (fruit)

Taxodium ascendens 'Prairie Sentinel' (habit)

Taxodium ascendens 'Prairie Sentinel' (habit)

Taxodium distichum (fall color)

Taxodium distichum (bark)

Taxodium distichum 'Monarch of Illinois' (habit)

Taxus baccata (habit)

Taxus baccata (leaves)

Taxus baccata (leaves)

Taxus cuspidata (fruit)

Taxus cuspidata 'Aurescens' (habit)

Taxus cuspidata 'Bright Gold' (habit)

Taxus cuspidata 'Bright Gold' (leaves)

Taxus cuspidata 'Bright Gold' (leaves)

Thalictrum aquilegifolium (habit)

Thalictrum aquilegifolium (flowers)

Thalictrum aquilegifolium (flowers)

Thalictrum aquilegifolium (flowers)

Thalictrum ichangense (habit)

Thalictrum rochebrunianum (flowers)

Thalictrum rochebrunianum (flowers)

Thuja occidentalis 'Filiformis' (habit)

Thuja occidentalis 'Hetz Midget' (habit)

Thuja occidentalis 'Holmstrup' (habit)

Thuja occidentalis 'Hoseri' (habit)

Thuja occidentalis 'Hoseri' (habit)

Thuja occidentalis 'Lutea' (habit)

Thuja occidentalis 'Lutea' (habit)

Thuja occidentalis 'Lutea' (leaves)

Thuja occidentalis 'Pendula' (habit)

Thuja occidentalis 'Sunkist' (habit)

Thuja occidentalis 'Teddy' (habit)

Thuja occidentalis 'Yellow Ribbon' (habit)

Thuja occidentalis pumila 'Sudworthii' (habit)

Thuja orientalis (habit)

Thuja plicata (habit)

Thunbergia alata (flowers)

Thunbergia alata 'Sunny Lemon' (flowers)

Thymus pseudolanuginosus (flowers)

Thymus pseudolanuginosus (flowers)

Thymus richardii ssp. nitidus (habit)

Thymus serpyllum (habit)

Tiarella 'Heronswood Mist' (habit)

Tiarella 'Heronswood Mist' (leaves)

Tiarella 'Heronswood Mist' (flowers)

Tiarella 'Inkblot' (flowers)

Tiarella cordifolia (habit)

Tiarella cordifolia 'Spring Symphony' (habit)

Tiarella wherryi (flowers)

Tibouchina heteromalla (flowers)

Tibouchina heteromalla (flowers)

Tibouchina heteromalla (flowers)

Tilia cordata 'Winter Orange' (buds)

Tilia cordata 'Winter Orange' (buds)

Tillandsia usneoides (habit)

Tithonia rotundifolia (flowers)

Torenia fournieri 'Duchess Mix' (flowers)

Tradescantia 'Osprey' (flowers)

Tradescantia bracteata (flowers)

Tradescantia ohiensis (flowers)

Tradescantia ohiensis (flowers)

Tradescantia pallida (habit)

Tradescantia virginiana (flowers)

Tradescantia virginiana (flowers)

Tradescantia x andersoniana 'Bilberry Ice' (flowers)

Tradescantia x andersoniana 'Bilberry Ice' (flowers)

Tradescantia x andersoniana 'Concord Grape' (flowers)

Tradescantia x andersoniana 'Sweet Kate' (habit)

Triadica sebifera (leaves)

Triadica sebifera (leaves)

Triadica sebifera (fruit)

Triadica sebifera (fruit)

Triadica sebifera (fall color)

Triadica sebifera (fall color)

Tricyrtis 'Amethystina' (flowers)

Tricyrtis 'Shirohotogisu' (flowers)

Tricyrtis 'Sinome' (flowers)

Tricyrtis 'Tojen' (habit)

Tricyrtis 'Tojen' (flowers)

Tricyrtis 'Tojen' (flowers)

Tricyrtis 'Tojen' (flowers)

Tricyrtis flava (habit)

Tricyrtis flava (flowers)

Tricyrtis formosana 'Gilt Edge' (flowers)

Tricyrtis formosana 'Samurai' (flowers)

Tricyrtis hirta 'Albomarginata' (habit)

Tricyrtis hirta 'Albomarginata' (flowers)

Tricyrtis hirta 'Albomarginata' (flowers)

Tricyrtis hirta 'Albomarginata' (flowers)

Tricyrtis hirta 'Albomarginata' (flowers)

Tricyrtis hirta 'Albomarginata' (flowers)

Tricyrtis hirta 'Miyazaki' (flowers)

Tricyrtis hirta 'Variegata' (flowers)

Tricyrtis latifolia (flowers)

Tricyrtis latifolia (flowers)

Tricyrtis macropoda (flowers)

Trillium erectum 'Beige' (flowers)

Trillium flexipes (habit)

Trillium flexipes (habit)

Trillium flexipes (flowers)

Trillium flexipes (flowers)

Trillium flexipes (flowers)

Trillium flexipes (flowers)

Trillium grandiflorum (flowers)

Trillium grandiflorum (flowers)

Trillium grandiflorum dwarf (habit)

Trillium luteum (habit)

Trillium luteum (flowers)

Trillium ovatum (flowers)

Trillium ovatum (flowers)

Trillium recurvatum (habit)

Trillium recurvatum (habit)

Trillium recurvatum (habit)

Trillium recurvatum (habit)

Trillium recurvatum (flowers)

Trillium stamineum (flowers)

Trollius chinensis 'Golden Queen' (flowers)

Trollius x cultorum 'Orange Globe' (habit)

Trollius x cultorum 'Orange Globe' (flowers)

Tropaeolum majus (flowers)

Tropaeolum majus 'Variegatum' (habit)

Tropaeolum majus 'Variegatum' (leaves)

Tropaeolum majus 'Variegatum' (flowers)

Tsuga canadensis (habit)

Tsuga canadensis 'Bergman's Weeping' (habit)

Tsuga canadensis 'Cole' (habit)

Tsuga canadensis 'Curly' (habit)

Tsuga canadensis 'Dwarf Whitetip' (leaves)

Tsuga canadensis 'Dwarf Whitetip' (leaves)

Tsuga canadensis 'Dwarf Whitetip' (leaves)

Tsuga canadensis 'Jervis' (habit)

Tsuga canadensis 'Kingsville Spreader' (habit)

Tsuga canadensis 'Pendula' (habit)

Tsuga caroliniana (leaves)

Tsuga caroliniana (fruit)

Tulipa 'Apricot Beauty' (habit)

Tulipa 'Apricot Beauty' (habit)

Tulipa 'Apricot Beauty' (flowers)

Tulipa 'Apricot Beauty' (flowers)

Tulipa 'Ballade' (habit)

Tulipa 'Ballade' (flowers)

Tulipa 'Ballade' (flowers)

Tulipa 'Ballade' (flowers)

Tulipa 'Blue Parrot' (flowers)

Tulipa 'Blushing Beauty' (flowers)

Tulipa 'Candy Club' (flowers)

Tulipa 'Mariette' (habit)

Tulipa 'Mariette' (flowers)

Tulipa 'Mona Lisa' (flowers)

Tulipa 'Monte Carlo' (flowers)

Tulipa 'Paul Richter' (habit)

Tulipa 'Pimpernel' (flowers)

Tulipa 'Sweety' (habit)

Tulipa 'Sweety' (flowers)

Tulipa 'Sweety' (flowers)

Tulipa 'The Mounties' (flowers)

Tulipa 'White Triumphator' (flowers)

Tulipa bakeri 'Lilac Wonder' (habit)

Tulipa bakeri 'Lilac Wonder' (flowers)

Tulipa clusiana (flowers)

Tulipa clusiana (flowers)

Tulipa clusiana (flowers)

Tulipa clusiana (flowers)

Tulipa fosteriana 'Red Emperor' (flowers)

Tulipa greigii 'Red Riding Hood' (habit)

Tulipa greigii 'Red Riding Hood' (flowers)

Tulipa humilis Violacea Group, yellow base (habit)

Tulipa humilis Violacea Group, yellow base (flowers)

Tulipa kaufmanniana 'Ancilla' (habit)

Tulipa kaufmanniana 'Ancilla' (habit)

Tulipa kaufmanniana 'Ancilla' (habit)

Tulipa kaufmanniana 'Ancilla' (flowers)

Tulipa kaufmanniana 'Ancilla' (flowers)

Tulipa kaufmanniana 'Ancilla' (flowers)

Tulipa kaufmanniana 'Scarlet Baby' (habit)

Tulipa kaufmanniana 'Scarlet Baby' (habit)

Tulipa kaufmanniana 'Scarlet Baby' (habit)

Tulipa kaufmanniana 'Scarlet Baby' (flowers)

Tulipa tarda (habit)

Tulipa tarda (flowers)

Ulmus 'Frontier' (habit)

Ulmus 'Morton' (habit)

Ulmus 'Morton' (habit)

Ulmus carpinifolia 'Umbraculifera' (habit)

Ulmus parvifolia 'Seiju' (leaves)

Ulmus pumila 'Pendula' (habit)

Uvularia grandiflora (habit)

Uvularia grandiflora (flowers)

Uvularia perfoliata (habit)

Uvularia perfoliata (flowers)

Uvularia perfoliata (flowers)

Vaccinium ashei 'Tiftblue' (flowers)

Vaccinium ashei 'Tiftblue' (flowers)

Vaccinium macrocarpon (leaves)

Vaccinium macrocarpon (fruit)

Vaccinium macrocarpon (fruit)

Vaccinium stamineum (fruit)

Vaccinium stamineum (fruit)

Valeriana officinalis (flowers)

Verbascum chaixii (flowers)

Verbascum chaixii (flowers)

Verbascum olympicum (flowers)

Verbena 'Babylon Lilac' (flowers)

Verbena 'Homestead Purple' (habit)

Verbena 'Homestead Purple' (flowers)

Verbena 'KLEVP12449' (flowers)

Verbena 'KLEVP12449' (flowers)

Verbena 'Sissinghurst' (flowers)

Verbena 'Superbena Dark Blue' (flowers)

Verbena 'Temari Bright Pink' (flowers)

Verbena 'Temari Burgundy' (flowers)

Verbena 'Temari Cherry Blossom Pink' (flowers)

Verbena bonariensis (habit)

Verbena bonariensis (flowers)

Verbena canadensis (habit)

Verbena canadensis (flowers)

Verbena canadensis 'Alba' (flowers)

Veronica 'Sunny Border Blue' (habit)

Veronica 'Sunny Border Blue' (flowers)

Veronica 'Sunny Border Blue' (flowers)

Veronica alpina 'Goodness Grows' (flowers)

Veronica longifolia 'Fascination' (flowers)

Veronica peduncularis 'Georgia Blue' (habit)

Veronica peduncularis 'Georgia Blue' (flowers)

Veronica spicata (flowers)

Veronica spicata 'Blauteppih' (flowers)

Veronica spicata 'White Icicle' (habit)

Veronica spicata 'White Icicle' (flowers)

Veronicastrum virginicum (habit)

Veronicastrum virginicum (flowers)

Veronicastrum virginicum (flowers)

Viburnum 'Eskimo' (habit)

Viburnum 'Eskimo' (habit)

Viburnum burejaeticum (flowers)

Viburnum burkwoodii (flowers)

Viburnum burkwoodii (flowers)

Viburnum carlesii (habit)

Viburnum carlesii (flowers)

Viburnum carlesii (flowers)

Viburnum carlesii (fruit)

Viburnum carlesii 'Compactum' (habit)

Viburnum carlesii 'Compactum' (flowers)

Viburnum cassinoides (flowers)

Viburnum dentatum (habit)

Viburnum dentatum (fall color)

Viburnum dentatum 'Morton' (fall color)

Viburnum dilatatum (habit)

Viburnum dilatatum (leaves)

Viburnum dilatatum (fruit)

Viburnum dilatatum (fall color)

Viburnum dilatatum 'Asian Beauty' (habit)

Viburnum dilatatum 'Asian Beauty' (fruit)

Viburnum dilatatum 'Asian Beauty' (fruit)

Viburnum dilatatum 'Asian Beauty' (fruit)

Viburnum dilatatum 'Erie' (habit)

Viburnum dilatatum 'Erie' (fruit)

Viburnum dilatatum 'Erie' (fruit)

Viburnum dilatatum 'Erie' (fruit)

Viburnum dilatatum 'Michael Dodge' (habit)

Viburnum dilatatum 'Michael Dodge' (fruit)

Viburnum dilatatum 'Michael Dodge' (fruit)

Viburnum dilatatum 'Michael Dodge' (fruit)

Viburnum dilatatum 'Michael Dodge' (fruit)

Viburnum dilatatum 'Michael Dodge' (fruit)

Viburnum farreri 'Album' (flowers)

Viburnum lantana (leaves)

Viburnum lantana (leaves)

Viburnum lantana (flowers)

Viburnum lantana (flowers)

Viburnum lantana (fruit)

Viburnum lantana 'Macrophyllum' (leaves)

Viburnum lantana 'Macrophyllum' (fall color)

Viburnum lantana 'Macrophyllum' (fall color)

Viburnum lantana 'Mohican' (habit)

Viburnum lantana 'Mohican' (fruit)

Viburnum lantana var. variegatum (habit)

Viburnum lantana var. variegatum (leaves)

Viburnum lentago (habit)

Viburnum lentago (flowers)

Viburnum lentago (flowers)

Viburnum lentago (flowers)

Viburnum lentago (flowers)

Viburnum lentago (flowers)

Viburnum macrocephalum (habit)

Viburnum macrocephalum (habit)

Viburnum macrocephalum (flowers)

Viburnum macrocephalum (flowers)

Viburnum molle (leaves)

Viburnum molle (buds)

Viburnum molle (fall color)

Viburnum molle (bark)

Viburnum mongolicum (flowers)

Viburnum nudum (fall color)

Viburnum nudum 'Winterthur' (fall color)

Viburnum nudum var. angustifolium (fall color)

Viburnum opulus (habit)

Viburnum opulus (leaves)

Viburnum opulus (leaves)

Viburnum opulus (flowers)

Viburnum opulus (flowers)

Viburnum opulus (fruit)

Viburnum opulus 'Aureum' (habit)

Viburnum opulus 'Aureum' (leaves)

Viburnum plicatum forma plicatum (habit)

Viburnum plicatum forma tomentosum 'Kern's Pink' (habit)

Viburnum plicatum forma tomentosum 'Kern's Pink' (flowers)

Viburnum plicatum forma tomentosum 'Kern's Pink' (flowers)

Viburnum plicatum forma tomentosum 'Mariesii' (habit)

Viburnum plicatum forma tomentosum 'Mariesii' (habit)

Viburnum plicatum forma tomentosum 'Mariesii' (flowers)

Viburnum plicatum forma tomentosum 'Mariesii' (flowers)

Viburnum plicatum forma tomentosum 'Mariesii' (flowers)

Viburnum plicatum forma tomentosum 'Mariesii' (flowers)

Viburnum plicatum forma tomentosum 'Mariesii' (flowers)

Viburnum plicatum forma tomentosum 'Rotundifolium' (fall color)

Viburnum plicatum forma tomentosum 'Rotundifolium' (fall color)

Viburnum plicatum forma tomentosum 'Watanabe' (flowers)

Viburnum plicatum forma tomentosum 'Watanabe' (flowers)

Viburnum prunifolium (leaves)

Viburnum prunifolium (flowers)

Viburnum prunifolium (flowers)

Viburnum prunifolium (fruit)

Viburnum prunifolium (fruit)

Viburnum rafinesquianum var. affine (habit)

Viburnum rhytidophyllum (leaves)

Viburnum rhytidophyllum (flowers)

Viburnum rhytidophyllum (flowers)

Viburnum rufidulum (flowers)

Viburnum rufidulum 'Morton' (fall color)

Viburnum rufidulum 'Morton' (fall color)

Viburnum rufidulum 'Morton' (fall color)

Viburnum sargentii (flowers)

Viburnum sargentii 'Onondaga' (habit)

Viburnum sargentii 'Onondaga' (flowers)

Viburnum sargentii forma calvescens (fruit)

Viburnum setigerum (habit)

Viburnum setigerum (flowers)

Viburnum setigerum (fruit)

Viburnum setigerum (fruit)

Viburnum setigerum (fruit)

Viburnum setigerum (fall color)

Viburnum setigerum (fall color)

Viburnum setigerum 'Aurantiacum' (flowers)

Viburnum setigerum 'Aurantiacum' (flowers)

Viburnum setigerum 'Aurantiacum' (flowers)

Viburnum sieboldii (habit)

Viburnum sieboldii (habit)

Viburnum sieboldii (leaves)

Viburnum sieboldii (leaves)

Viburnum sieboldii (flowers)

Viburnum tinus (flowers)

Viburnum tinus (flowers)

Viburnum tinus (flowers)

Viburnum tinus (flowers)

Viburnum tinus (flowers)

Viburnum trilobum (leaves)

Viburnum trilobum (fruit)

Viburnum trilobum 'Spring Red' (habit)

Viburnum trilobum 'Spring Red' (leaves)

Viburnum trilobum 'Spring Red' (flowers)

Viburnum trilobum 'Spring Red' (flowers)

Viburnum x burkwoodii 'Conoy' (habit)

Viburnum x burkwoodii 'Conoy' (habit)

Viburnum x burkwoodii 'Conoy' (flowers)

Viburnum x burkwoodii 'Conoy' (flowers)

Viburnum x burkwoodii 'Park's Farm' (flowers)

Viburnum x burkwoodii 'Park's Farm' (flowers)

Viburnum x carlcephalum (flowers)

Viburnum x carlcephalum (flowers)

Viburnum x carlcephalum 'Cayuga' (habit)

Viburnum x carlcephalum 'Cayuga' (habit)

Viburnum x carlcephalum 'Cayuga' (flowers)

Viburnum x jackii (habit)

Viburnum x jackii (stems)

Viburnum x jackii (fall color)

Viburnum x jackii (fall color)

Viburnum x juddii (flowers)

Viburnum x pragense (leaves)

Viburnum x pragense (flowers)

Viburnum x pragense (flowers)

Viburnum x rhytidophylloides (flowers)

Viburnum x rhytidophylloides (flowers)

Viburnum x rhytidophylloides 'Alleghany' (leaves)

Viburnum x rhytidophylloides 'Alleghany' (flowers)

Viburnum x rhytidophylloides 'Alleghany' (fruit)

Viburnum x rhytidophylloides 'Willowwood' (flowers)

Viburnum x rhytidophylloides 'Willowwood' (flowers)

Vinca major (flowers)

Vinca minor (flowers)

Vinca minor 'Alba' (flowers)

Vinca minor 'Atropurpurea' (flowers)

Vinca minor 'Bowles Variety' (flowers)

Vinca minor 'Dart's Blue' (flowers)

Vinca minor 'Honeydew' (flowers)

Vinca minor 'Honeydew' (flowers)

Vinca minor 'Ralph Shugert' (flowers)

Vinca minor 'Valley Gold' (flowers)

Vinca minor 'Valley Gold' (flowers)

Viola 'Angel Amber Kiss' (flowers)

Viola 'Angel Amber Kiss' (flowers)

Viola 'Angel Amber Kiss' (flowers)

Viola 'Ultima Morpho' (flowers)

Viola 'Ultima Morpho' (flowers)

Viola 'Ultima Morpho' (flowers)

Viola 'Ultima Morpho' (flowers)

Viola cornuta 'Lavender Ice' (flowers)

Viola cornuta 'Lemon Chiffon' (habit)

Viola cornuta 'Lemon Chiffon' (flowers)

Viola cornuta 'Penny Orange' (flowers)

Viola cornuta 'Penny Primrose' (habit)

Viola cornuta 'Purple Duet' (habit)

Viola cornuta 'Sorbet French Vanilla' (habit)

Viola cornuta 'Sorbet Orange Duet' (flowers)

Viola cornuta 'Sorbet Orange Duet' (flowers)

Viola labradorica (habit)

Viola labradorica (habit)

Viola labradorica (habit)

Viola pedata (habit)

Viola pedata (habit)

Viola pedata (flowers)

Viola x wittrockiana (flowers)

Viola x wittrockiana (flowers)

Viola x wittrockiana 'Bingo Blue Frost' (flowers)

Viola x wittrockiana 'Crystal Bowl True Blue' (flowers)

Viola x wittrockiana 'Crystal Bowl True Yellow' (flowers)

Vitex agnu-castus 'Silver Spire' (habit)

Vitex agnu-castus 'Silver Spire' (habit)

Vitex agnu-castus 'Silver Spire' (flowers)

Vitex agnu-castus 'Silver Spire' (flowers)

Waldsteinia ternata (flowers)

Weigela florida (flowers)

Weigela florida (flowers)

Weigela florida 'Bristol Ruby' (flowers)

Weigela florida 'Red Prince' (flowers)

Weigela florida 'Rubigold' (leaves)

Weigela florida 'Rubigold' (leaves)

Weigela florida 'Rubigold' (leaves)

Weigela florida 'Variegata' (flowers)

Weigela florida 'Wine and Roses' (habit)

Weigela praecox (habit)

Weigela praecox (flowers)

Wisteria brachybotrys 'Shiro-kapitan' (flowers)

Wisteria brachybotrys 'Shiro-kapitan' (flowers)

Wisteria brachybotrys 'Shiro-kapitan' (flowers)

Wisteria floribunda (habit)

Wisteria floribunda (flowers)

Wisteria floribunda (flowers)

Wisteria floribunda (flowers)

Wisteria macrostachya (flowers)

Wisteria macrostachya (flowers)

Wisteria macrostachya (flowers)

Wisteria sinensis (habit)

Wisteria sinensis (flowers)

Wisteria sinensis (flowers)

Wisteria venusta (habit)

Wisteria venusta (flowers)

Xanthium echinatum (fruit)

Xanthoceras sorbifolium (flowers)

Xanthoceras sorbifolium (flowers)

Xanthocyparis nootkatensis 'Aureovariegata' (habit)

Xanthocyparis nootkatensis 'Aureovariegata' (leaves)

Xanthorhiza simplicissima (habit)

Xanthorhiza simplicissima (habit)

Xanthorhiza simplicissima (habit)

Xanthorhiza simplicissima (flowers)

Xanthorhiza simplicissima (flowers)

Xanthorhiza simplicissima (flowers)

Xanthorhiza simplicissima (fall color)

Xanthorhiza simplicissima (fall color)

Yucca filamentosa 'Bright Edge' (habit)

Yucca filamentosa 'Color Guard' (habit)

Yucca filamentosa 'Golden Sword' (habit)

Yucca filamentosa 'Variegata' (habit)

Zamia furfuracea (habit)

Zelkova serrata (habit)

Zelkova serrata (fall color)

Zelkova serrata (fall color)

Zelkova serrata (fall color)

Zelkova serrata (fall color)

Zinnia 'Giant Coral' (flowers)

Zinnia 'Giant Coral' (flowers)

Zinnia 'Giant Coral' (flowers)

Zinnia 'Giant Coral' (flowers)

Zinnia 'Golddust Pinwheel' (flowers)

Zinnia 'Golddust Pinwheel' (flowers)

Zinnia 'Profusion Yellow' (flowers)

Zinnia 'Salmon Pinwheel' (habit)

Zinnia 'Salmon Pinwheel' (flowers)

Zinnia 'Star Gold' (flowers)

Zinnia 'Star Gold' (flowers)

Zinnia 'Star White' (flowers)

Zinnia 'Swizzle Scarlet & Yellow' (flowers)

Zinnia 'Tropical Snow' (habit)

Zinnia 'White Pinwheel' (flowers)

Zinnia 'White Pinwheel' (flowers)

Zinnia elegans 'Envy' (flowers)

Zinnia elegans 'Profusion Cherry' (habit)

Zinnia elegans 'Profusion Cherry' (flowers)

Zinnia elegans 'Profusion Cherry' (flowers)

Zinnia elegans 'Profusion Cherry' (flowers)

Zinnia elegans 'Profusion Orange' (flowers)

Zinnia grandiflora (habit)

Zinnia grandiflora (flowers)

Zinnia spp. (habit)