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Study shows that living near trees lowers depression

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Sony scientist 3D-prints gardens

Inside theft of world's rarest water lily

Ash borers targeting other ash family members

Record-setting 2096-lb pumpkin grown in Switzerland

16 year-old girls increase crop production 74%

Can bacteria from garden diversity fix allergies?

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4849 images, 2383 plants (as of January 14, 2015)

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Index by scientific name


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2383 matches found.

Abelia chinensis(1)   Chinese abelia
Abelia x grandiflora(7)   Glossy Abelia
Abeliophyllum distichum(4)   White forsythia
Abies alba(7)   Silver fir
Abies balsamea(6)   Balsam fir
Abies bornmuelleriana(1)   Bornmueller's fir
Abies cilicica(6)   Cilician fir
Abies concolor(5)   White fir
Abies concolor 'Argentea'(2)   Argentea white fir
Abies concolor 'Candicans'(4)   Candicans white fir
Abies concolor 'Compacta'(3)   Compact white fir
Abies fraseri(7)   Fraser fir
Abies grandis(1)   Grand fir
Abies holophylla(2)   Needle fir
Abies homolepis(3)   Nikko fir
Abies koreana(1)   Korean fir
Abies koreana 'Hoerstmans Silberlocht'(1)   Hoerstmans Silberlocht Korean fir
Abies koreana var. prostrata(2)   Prostrate Korean fir
Abies lasiocarpa var. arizonica(5)   Arizona Rocky Mountain fir
Abies magnifica(5)   California red fir
Abies nordmanniana(5)   Nordmann fir
Abies sibirica(1)   Siberian fir
Abies veitchii(5)   Veitch fir
Abutilon 'Moonchimes'(2)   Moonchimes flowering maple
Abutilon 'Satin Pink Belle'(2)   Satin Pink Belle flowering maple
Abutilon 'Snowfall'(1)   Snowfall flowering maple
Abutilon pictum 'Thompsonii'(1)   Thompson flowering maple
Acalypha wilkesiana 'Beyond Paradise'(2)   Beyond Paradise Jacob's coat
Acalypha wilkesiana 'Fire Dragon'(1)   Fire Dragon copperleaf
Acanthopanax divaricatus(2)   
Acanthopanax henryi(1)   Henry's aralia
Acanthus balcanicus(3)   Bear's breeches
Acer argutum(2)   Pointed-leaf maple
Acer buergerianum(7)   Trident maple
Acer campestre(6)   Hedge maple
Acer campestre 'Compactum'(1)   Dwarf hedge maple
Acer carpinifolium(4)   Hornbeam maple
Acer crataegifolium(2)   Hawthorn-leaved maple
Acer davidii(5)   David maple
Acer diabolicum(5)   Devil maple
Acer ginnala(6)   Amur maple
Acer ginnala 'Durand Dwarf'(2)   Durand Dwarf Amur maple
Acer ginnala 'Red Fruit'(2)   Red Fruit Amur maple
Acer grandidentatum(1)   Bigtooth maple
Acer griseum(7)   Paperbark maple
Acer macrophyllum(3)   Bigleaf maple
Acer mandschuricum(1)   Manchurian maple
Acer miyabei(8)   Miyabe maple
Acer miyabei 'Morton'(1)   Morton Miyabe maple
Acer mono(1)   Painted maple
Acer negundo 'Flamingo'(3)   Flamingo boxelder
Acer palmatum(8)   Japanese maple
Acer palmatum 'Bloodgood'(3)   Bloodgood Japanese maple
Acer palmatum 'Kasagiyama'(3)   Kasagiyama Japanese maple
Acer palmatum 'Scolopendrifolium'(3)   Millipede-leaved Japanese maple
Acer palmatum 'Tobosho'(1)   Tobosho Japanese maple
Acer palmatum forma atropurpureum(3)   Red-leaved Japanese maple
Acer palmatum var. dissectum(3)   Threadleaf Japanese maple
Acer palmatum var. dissectum 'Crimson Queen'(1)   Crimson Queen Japanese maple
Acer palmatum var. dissectum 'Dissectum Atropurpureum'(3)   Purple-leaved threadleaf Japanese maple
Acer palmatum var. dissectum 'Garnet'(1)   Garnet threadleaf Japanese maple
Acer palmatum var. dissectum 'Red Select'(1)   Red Select cutleaf Japanese maple
Acer pensylvanicum(1)   Striped maple
Acer platanoides 'Crimson King'(1)   Crimson King Norway maple
Acer platanoides 'Deborah'(1)   Deborah Norway maple
Acer platanoides 'Emerald Lustre'(2)   Emerald Lustre Norway maple
Acer platanoides 'Emerald Queen'(1)   Emerald Queen Norway maple
Acer platanoides 'Globosum'(2)   Globose Norway maple
Acer platanoides 'Royal Red'(2)   Royal Red Norway maple
Acer platanoides 'Schwedleri'(1)   Schwedler Norway maple
Acer pseudosieboldianum(5)   Purplebloom maple
Acer rubrum(2)   Red maple
Acer rubrum 'Red Sunset'(5)   Red Sunset red maple
Acer rubrum 'Schlessingeri'(1)   Schlessinger's red maple
Acer rufinerve 'Hatsuyuki'(2)   Hatsuyaki redvein maple
Acer saccharinum(1)   Silver maple
Acer saccharinum 'Laciniatum'(1)   Cutleaf silver maple
Acer saccharum(6)   Sugar maple
Acer saccharum 'Arrowhead'(1)   Arrowhead sugar maple
Acer saccharum 'Goldspire'(1)   Goldspire sugar maple
Acer saccharum 'Green Mountain'(2)   Green Mountain sugar maple
Acer saccharum 'Legacy'(1)   Legacy sugar maple
Acer saccharum 'Natchez'(4)   Natchez sugar maple
Acer saccharum 'Newton Sentry'(1)   Newton Sentry sugar maple
Acer saccharum 'Seneca Chief'(1)   Seneca Chief sugar maple
Acer saccharum 'Sweet Shadow'(5)   Sweet Shadow sugar maple
Acer saccharum ssp. nigrum(1)   Black maple
Acer spicatum(1)   Mountain maple
Acer tataricum(1)   Tatarian maple
Acer triflorum(9)   Three-flowered maple
Acer x freemanii 'Autumn Blaze'(5)   Autumn Blaze red maple
Achillea 'Anthea'(3)   Anthea yarrow
Achillea 'Pretty Belinda'(4)   Pretty Belinda yarrow
Achillea filipendula 'Carter's Yellow'(2)   Carter's Yellow yarrow
Achillea millefolium 'Heidi'(1)   Heidi yarrow
Achillea millefolium 'Paprika'(2)   Paprika yarrow
Achillea ptarmica 'Ballerina'(1)   Ballerina angel's breath
Achillea siberica 'Kamtschaticum'(3)   Kamtschaticum siberian yarrow
Achillea tomentosa 'Moonshine'(1)   Moonshine yarrow
Aconitum napellus(2)   European monkshood
Acorus calamus(1)   Sweetflag
Acorus gramineus 'Ogon'(1)   Golden variegated dwarf sweet flag
Actaea erythrocarpa(1)   European baneberry
Actaea pachypoda(1)   White baneberry
Actaea rubra(3)   Red baneberry
Actinidia arguta(3)   Bower actinidia
Actinidia kolomikta(4)   Kolomikta kiwi
Actinidia polygama(3)   Silvervine
Adiantum aleuticum(3)   Western maidenhair fern
Adiantum pedatum(3)   Maidenhair fern
Adiantum peruvianum(1)   Silver dollar maidenhair fern
Adiantum tenerum 'Farleyense'(1)   Farley maidenhair fern
Aegopdium podagraria 'Variegatum'(1)   Variegated bishop's gout
Aeonium arboreum var. atropurpureum 'Schwarzkopf'(2)   Schwarzkopf black rose
Aesculus glabra(4)   Ohio buckeye
Aesculus glabra var. arguta(3)   Texas Ohio buckeye
Aesculus hippocastanum(3)   Horse chestnut
Aesculus hippocastanum 'Baumannii'(1)   Baumann's horsechestnut
Aesculus octandra(6)   Yellow buckeye
Aesculus parviflora(8)   Bottlebrush buckeye
Aesculus parviflora var. serotina 'Rogers'(3)   Roger's bottlebrush buckeye
Aesculus pavia(9)   Red buckeye
Aesculus turbinata(6)   Japanese horsechestnut
Aesculus x carnea(4)   Red horsechestnut
Aesculus x carnea 'Briotii'(3)   Briot's red horsechestnut
Agastache barberi 'Tutti Frutti'(1)   Tutti Frutti giant hummingbird's mint
Agastache cana 'Heather Queen'(1)   Heather Queen giant hummingbird's mint
Agastache foeniculum 'Golden Jubilee'(2)   Golden Jubilee anise hyssop
Agastache x 'Blue Fortune'(1)   Blue Fortune anise hyssop
Agave americana(3)   Century plant
Agave guiengola 'Creme Brulee'(2)   Creme Brulee agave
Agave spp.(1)   Agave species
Ageratum 'Blue Hawaii'(2)   Blue Hawaii ageratum
Ageratum houstonianum 'Pink Improved'(2)   Pink Improved floss flower
Ajania pacifica(1)   Pacific chrysanthemum
Ajuga reptans(3)   Bugleweed
Akebia quinata(3)   Fiveleaf akebia
Akebia quinata 'Rosea'(1)   Rosea fiveleaf akebia
Akebia quinata 'Silver Bells'(3)   Silver Bells fiveleaf akebia
Akebia trifoliata(2)   Three-leaflet akebia
Albizia julibrissin(7)   Mimosa
Albizia julibrissin 'Ernest Wilson'(2)   Ernest Wilson mimosa
Alcea 'Indian Summer'(2)   Indian Summer hollyhock
Alcea rosea(2)   Hollyhock
Alcea rosea Chater's Double Group pink'(1)   Chater's Double Group pink hollyhock
Alcea rugosa(3)   Russian hollyhock
Alchemilla mollis(6)   Lady's mantle
Aletris lutea(1)   Yellow colic root
Alisma subcordatum(1)   Water plantain
Alliaria petiolata(2)   Garlic mustard
Allium aflatunense 'Purple Sensation'(2)   Purple Sensation Persian onion
Allium caeruleum(3)   Blue globe onion
Allium cernuum(2)   Nodding wild onion
Allium christophii(2)   Persian onion
Allium moly(4)   Lily leek
Allium pulchellum(1)   Keeled garlic
Allium schoenoprasum(4)   Garden chives
Allium senescens var. glaucum(2)   German garlic
Allium tanguticum 'Summer Beauty'(5)   Summer Beauty globe lily
Allium thunbergii 'Ozawa'(1)   Ozawa fall onion
Allium tuberosum(1)   Chinese chives
Alnus cordata(2)   Italian alder
Alnus glutinosa 'Laciniata'(1)   Cutleaf common alder
Alnus glutinosa 'Pyramidalis'(1)   Columnar common alder
Alnus maritima(1)   Seaside alder
Alnus serrulata(3)   Hazel alder
Alternanthera dentata 'Purple Knight'(1)   Purple Knight alternanthera
Amaranthus caudatus(1)   Love lies bleeding
Ambrosia trifida(1)   Giant ragweed
Amelanchier arborea(5)   Downy serviceberry
Amelanchier canadensis(4)   Shadlow serviceberry
Amelanchier laevis(9)   Allegheny serviceberry
Amelanchier stolonifera(1)   Running serviceberry
Amelanchier x grandiflora(8)   Apple serviceberry
Amelanchier x grandiflora 'Princess Diana'(3)   Princess Diana apple serviceberry
Amelanchier x grandiflora 'Robin Hill'(1)   Robin Hill apple serviceberry
Amianthium muscaetoxicum(2)   Fly poison
Amorpha canescens(2)   Leadwort
Amorpha fruticosa(3)   False indigo
Amsonia 'Blue Ice'(1)   Blue Ice blue star
Amsonia hubrichtii(4)   Narrowleaf blue star
Amsonia montana 'Short Stack'(2)   Short Stack blue star
Amsonia tabernaemontana(1)   Blue star
Anagalis monellii 'Sky Lover'(3)   Sky Lover pimpernel
Anaphalis margaritacea(1)   Pearly everlasting
Andropogon gerardii(2)   Big bluestem
Andropogon scoparius(1)   Little bluestem
Andropogon scoparius 'True Blue'(1)   True Blue little bluestem
Anemone blanda(2)   Grecian windflower
Anemone hupehensis 'September Charm'(3)   September Charm Japanese anemone
Anemone nemorosa 'Vestal'(3)   Vestal wood anemone
Anemone pulsatilla(4)   Pasque flower
Anemone pulsatilla 'Alba'(1)   White pasque flower
Anemone pulsatilla 'Rubra'(5)   Red pasque flower
Anemone tomentosa 'Robustissima'(2)   Grape-leaf anemone
Anemone virginiana(3)   Tall anemone
Anemone 'Honorine Jobert'(2)   Honorine Jobert anemone
Anemonella thalictroides(2)   Rue anemone
Anemonella thalictroides 'Semidouble White'(1)   Semidouble White rue anemone
Angelica lucida(2)   Sea-watch
Anisodontea x hypomandarum(2)   African mallow
Antennaria neglecta(2)   Cat's foot
Antennaria plantaginifolia(1)   Pussy toes
Anthemis tinctoria(2)   Golden margueritte
Anthemis tinctoria 'Sauce Hollandaise'(1)   Sauce Hollandaise golden margueritte
Anthurium 'Lola'(2)   Lola flamingo flower
Antirrhinum majus 'Liberty'(3)   Liberty snapdragon
Apocynum sibiricum(2)   Clasping-leaved dogbane
Aquilegia alpinum(1)   Alpine columbine
Aquilegia alpinum 'Alba'(1)   White alpine columbine
Aquilegia caerulea(3)   Rocky Mountain columbine
Aquilegia canadensis(4)   Wild columbine
Aquilegia canadensis 'Corbet'(3)   Corbet wild columbine
Aquilegia canadensis 'Little Lanterns'(1)   Little Lanterns wild columbine
Aquilegia chrysantha(3)   Golden columbine
Aquilegia flabellata 'Mini-Star'(1)   Mini-Star Japanese fan columbine
Arabis caucasica 'Snow cap'(2)   Snow Cap rock cress
Arabis x arendsii 'Compinkie'(1)   Compinkie rock cress
Aralia spinosa(6)   Devil's walkingstick
Arctostaphylos uva-ursi 'Vancouver Jade'(2)   Vancouver Jade bearberry
Ardisia elliptica(2)   Shoebutton
Argyranthemum frutescens 'Butterfly'(3)   Butterfly cobbitty daisy
Argyranthemum frutescens 'Summer Melody'(1)   Summer Melody cobbitty daisy
Arisaema dracontium(4)   Green dragon
Arisaema sazensoo(1)   Japanese cobra lily
Arisaema triphyllum(4)   Jack-in-the-pulpit
Aristolochia manshuriensis(2)   Chinese aristolochia
Armeria 'Bloodstone'(1)   Bloodstone thrift
Armeria maritima 'Splendens'(1)   Splendens beach thrift
Aronia arbutifolia(6)   Red chokeberry
Aronia arbutifolia 'Erecta'(1)   Upright red chokeberry
Aronia melanocarpa(6)   Black chokeberry
Aronia melanocarpa 'Elata'(1)   Elata black chokeberry
Aronia x prunifolia(1)   Purple chokeberry
Artemisia abrotanum(1)   Southernwood
Artemisia stelleriana 'Silver Brocade'(1)   Silver Brocade beach wormwood
Artemisia vulgaris 'Variegata'(2)   Variegated wormwood
Arum italicum ssp. italicum 'Marmoratum'(1)   Marmoratum Italian arum
Aruncus aesthusifolius(1)   Dwarf goatsbeard
Arundo donax 'Variegata'(2)   Variegated giant reed
Asarum canadense(1)   Wild ginger
Asarum europaeum(1)   European ginger
Asarum minor 'Honeysong'(5)   Honeysong wild ginger
Asarum shuttleworthii(1)   Shuttleworth's ginger
Asarum speciosum 'Woodlander's Select'(1)   Woodlander's Select Alabama wild ginger
Asclepias curassavica 'Red Butterfly'(1)   Red Butterfly milkweed
Asclepias exaltata(1)   Poke milkweed
Asclepias incarnata(2)   Swamp milkweed
Asclepias syriaca(2)   Common milkweed
Asclepias tuberosa(6)   Butterfly weed
Asclepias verticillata(1)   Whorled milkweed
Asimina triloba(12)   Common pawpaw
Aster 'Purple Dome'(5)   Purple Dome aster
Aster 'Wartburg Star'(1)   Wartburg Star aster
Aster dumosus(1)   Bushy aster
Aster dumosus 'Rosenwichtel'(3)   Rosenwichtel bushy aster
Aster linariifolius(1)   Stiff aster
Aster novae-angliae(4)   New England aster
Aster novae-angliae 'Alma Potschke'(3)   Alma Potschke New England aster
Aster novae-angliae 'Hella Lacy'(2)   Hella Lacy New England aster
Aster oblongifolius 'Fanny'(1)   Fanny's fall aster
Aster oblongifolius 'Raydon's Favorite'(4)   Raydon's Favorite fall aster
Aster tataricus 'Jin Dai'(2)   Jin Dai Tatarian aster
Aster x frikartii 'Monch'(2)   Frikart's aster
Astilbe chinensis 'Pumila'(2)   Dwarf Chinese astilbe
Athyrium filix-femina(3)   Lady fern
Athyrium filix-femina var. filix-femina 'Minutissimum'(2)   Dwarf lady fern
Athyrium filix-femina var. filix-femina 'Victoriae'(2)   Victoriae lady fern
Athyrium niponicum 'Ghost'(1)   Ghost Japanese painted fern
Aubrieta deltoidea 'Cascade Red'(2)   Cascade Red rock cress
Aurinia saxatilis(2)   Basket-of-gold
Averrhoa carambola(2)   Star fruit
Baccharis halimifolia(1)   Groundsel tree
Bacopa 'Lavender Storm'(2)   Lavender Storm water hyssop
Bacopa 'Olympic Gold'(1)   Olympic Gold water hyssop
Balsamorhiza deltoidea(1)   Northwest balsamroot
Bambusa multiplex 'Alphonse Karr'(1)   Alphonse Karr bamboo
Baptisia australis(5)   Blue false indigo
Baptisia leucantha(3)   White false indigo
Baptisia sphaerocarpa(2)   False yellow indigo
Baptisia sphaerocarpa 'Screamin' Yellow'(1)   Screamin' Yellow wild indigo
Begonia 'Dragon Wing'(1)   Dragon Wing begonia
Begonia 'On Top Sunset'(2)   On Top Sunset Begonia
Begonia 'Party Scarlet'(1)   Party Scarlet begonia
Begonia 'Passing Storm'(1)   Passing Storm begonia
Begonia grandis(3)   Hardy begonia
Begonia rex 'Fireworks'(1)   Fireworks rex begonia
Begonia spp.(1)   Begonia species
Begonia x benariensis 'Big Red With Bronze Leaf'(1)NEW   Big Red With Bronze Leaf begonia
Begonia x tuber(1)   Tuberous begonia
Belamcanda chinensis(1)   Blackberry lily
Bellis perennis(1)   English daisy
Berberis 'Bailsel'(1)   Golden Carousel barberry
Berberis koreana(3)   Korean barberry
Berberis thunbergii 'Atropurpurea Nana'(1)   Crimson Pygmy Japanese barberry
Berberis thunbergii 'Aurea'(2)   Yellow Japanese barberry
Berberis thunbergii 'Bogozam'(3)   Bonanza Gold TM Japanese barberry
Berberis thunbergii 'Maria'(1)NEW   Sunjoy® Gold Pillar barberry
Berberis thunbergii 'Thornless'(2)   Thornless Japanese barberry
Berberis thunbergii var. atropurpurea 'Golden Ring'(1)   Golden Ring crimson barberry
Berberis x gladwyensis 'William Penn'(1)   William Penn barberry
Berberis x julianae(2)   Wintergreen barberry
Berberis x julianae 'Nana'(1)   Dwarf wintergreen barberry
Betula jacquemontii(3)   Whitebarked Himalayan birch
Betula lenta(3)   Sweet birch
Betula nigra(5)   River birch
Betula nigra 'Heritage'(2)   Heritage river birch
Betula papyrifera(3)   Paper birch
Betula pendula(1)   European white birch
Betula pendula 'Youngii'(1)   Weeping European white birch
Betula populifolia 'Whitespire'(1)   Whitespire gray birch
Bidens aristosa(1)   Swamp marigold
Bidens ferulifolia 'Peter's Gold Carpet'(2)   Peter's Gold Carpet threadleaf tickseed
Bidens laevis(2)   Smooth beggartick
Bletilla striata(2)   Urn orchid
Bletilla striata 'Alba'(1)   White urn orchid
Boltonia asteroides 'Snowbank'(5)   Snowbank white boltonia
Borago officinalis(2)   Borage
Brassica oleracea (Acephala group)(1)   Flowering kale
Brassica oleracea (Capitata group)(1)   Cabbage
Brassica rapa var. chinensis 'Joi Choi'(2)   Joi Choi bok choy
Breynia disticha 'Key West'(2)   Key West dwarf snowbush
Broussonetia papyrifera 'Golden Shadow'(1)   Golden Shadow paper mulberry
Browallia americana(1)   Amethyst flower
Brugmansia rosea(1)   Tree datura
Brugmansia versicolor 'Peach Chandelier'(2)   Peach Chandelier angel's trumpet
Brunnera macrophylla(3)   Perennial forget-me-not
Brunnera macrophylla 'Betty Bowring'(2)   Betty Bowring perennial forget-me-not
Brunnera macrophylla 'Dawson's White'(3)   Dawson's White perennial forget-me-not
Brunnera macrophylla 'Hadspen Cream'(1)   Hadspen Cream perennial forget-me-not
Brunnera macrophylla 'Jack Frost'(2)   Jack Frost perennial forget-me-not
Brunnera macrophylla 'Langtrees'(2)   Langtrees perennial forget-me-not
Buddleia alternifolia(3)   Alternate-leaf butterfly bush
Buddleia davidii(2)   Butterfly bush
Buddleia davidii 'Harlequin'(1)   Harlequin butterfly bush
Buxus 'Glencoe' (Chicagoland Green™)(1)   Chicagoland Green™ boxwood
Buxus 'Green Mound'(2)   Green Mound boxwood
Buxus 'Green Velvet'(1)   Green Velvet boxwood
Buxus 'Wilson'(1)   Northern Charm™ boxwood
Buxus microphylla(1)   Littleleaf boxwood
Buxus sempervirens 'Elegantissima'(3)   Elegantissima boxwood
Buxus sempervirens 'Vardar Valley'(1)   Vardar Valley boxwood
Caladium 'White Queen'(1)   White Queen caladium
Caladium spp.(1)   Caladium
Calamogrostis x acutiflora 'Karl Foerster'(1)   Karl Foerster feather reed grass
Calathea musaica(2)   Calathea
Calceolaria 'Goldie'(2)   Goldie pouch flower
Calibrachoa 'Balcanrost'(4)   Can-Can™ Rose Star calibrachoa
Calibrachoa 'Million Bells Cherry Pink'(2)   Cherry Pink million bells
Calibrachoa 'Million Bells Purple'(1)   Purple Million Bells
Calibrachoa 'Million Bells Terra Cotta'(1)   Terra Cotta Million Bells
Calibrachoa 'Million Bells Yellow'(1)   Yellow million bells
Calibrachoa 'Million Bells'(2)   Million Bells cultivars
Calliandra haematocephala(2)   Powderpuff tree
Callicarpa americana(5)   Beautyberry
Callicarpa dichotoma(2)   Purple beautyberry
Callicarpa dichotoma 'Early Amethyst'(2)   Early Amethyst purple beautyberry
Callicarpa dichotoma 'Issai'(2)   Isaai purple beautyberry
Callirhoe involucrata(3)   Poppy mallow
Callistemon lanceolata(3)   Bottlebrush
Callistephus chinensis 'Seastar Mix'(1)   Seastar Mix Chinese aster
Callitropsis nootkatensis 'Pendula'(1)   Weeping yellow cedar
Caltha palustris(2)   Marsh marigold
Calycanthus fertilis(1)   Sweetshrub
Calycanthus floridus(4)   Common sweetshrub
Calylophus berlandieri 'Summer Gold'(1)   Summer Gold Texas primrose
Camellia 'Debutante'(1)   Debutante camellia
Camellia 'Spring Mist'(1)   Spring Mist camellia
Camellia edithae 'Jinqu'(1)   Jinqu camellia
Camellia japonica 'Alba Plena'(1)   White double-flowered camellia
Camellia japonica 'Carter's Sunburst'(1)   Carter's Sunburst camellia
Camellia japonica 'Herme'(1)   Herme camellia
Camellia japonica 'Lady Clare'(1)   Lady Clare camellia
Camellia japonica 'Lady Vansittart Red'(3)   Lady Vansittart Red Japanese camellia
Campanula 'Kent Belle'(1)   Kent Belle bellflower
Campanula 'Samantha'(1)   Samantha bellflower
Campanula carpatica 'Blaue Clips'(1)   Blue Clips Carpathian harebell
Campanula glomerata(2)   Clustered bellflower
Campanula glomerata 'Joan Elliott'(1)   Joan Elliott clustered bellflower
Campanula rapunculoides(2)   Creeping bellflower
Campanula rotundifolia 'Olympica'(2)   Olympica bluebells of Scotland
Campanula takesimana(3)   Korean bellflower
Campsis radicans(5)   Common trumpetcreeper
Canna 'Bengal Tiger'(3)   Bengal Tiger canna
Canna 'Cleopatra'(2)   Cleopatra canna
Canna 'Pink Futurity'(2)   Pink Futurity canna
Canna 'Primrose Yellow'(2)   Primrose Yellow canna
Canna 'Tropicanna'®(3)   Tropicanna® canna
Canna 'Wyoming'(1)   Wyoming canna
Capsicum annuum 'Chilly Chili'(2)   Chilly Chile ornamental pepper
Caragana arborescens(1)   Siberian peashrub
Caragana pygmaea(1)   Pygmy peashrub
Carex 'Grasshopper'(1)   Grasshopper sedge
Carex buchananii(1)   Curly-top sedge
Carex conica 'Hime Kansugi'(1)   Hime Kansugi sedge
Carex conica 'Snowline'(1)   Snowline miniature sedge
Carex elata 'Bowle's Golden'(1)   Bowle's Golden tufted sedge
Carex morrowii 'Aureovariegata'(1)   Golden variegated Japanese sedge
Carex morrowii 'Ice Dance'(1)   Ice Dance Japanese sedge
Carex ornithopoda 'Variegata'(1)   Variegated birdsfoot sedge
Carex oshimensis 'Evergold'(1)   Evergold sedge
Carex pendula(1)   Drooping sedge
Carex siderosticha 'Shima-nishiki'(1)   Shima-nishika creeping broad-leaf sedge
Carex siderosticha 'Spring Snow'(1)   Spring Snow broad-leaved sedge
Carex siderosticha 'Variegata'(1)   Variegated broad-leaved sedge
Carica papaya(3)   Papaya
Carpinus betulus(3)   European hornbeam
Carpinus betulus 'Columnaris'(1)   Columnaris European hornbeam
Carpinus betulus 'Globosa'(1)   Globosa European hornbeam
Carpinus betulus 'Pendula'(1)   Weeping European hornbeam
Carpinus cordata(1)   Heartleaf hornbeam
Carpinus japonica(2)   Japanese hornbeam
Carya illinoinensis(1)   Pecan
Carya laciniosa(1)   Shellbark hickory
Carya ovata(3)   Shagbark hickory
Carya tomentosa(1)   Mockernut hickory
Caryopteris x clandonensis(1)   Bluebeard
Caryopteris x clandonensis 'Worcester Gold'(1)   Worcester Gold bluebeard
Cassia fasciculata(1)   Partridge pea
Cassia hebecarpa(3)   Wild senna
Castanea dentata(9)   American chestnut
Castanea mollissima(6)   Chinese chestnut
Catalpa speciosa(1)   Northern catalpa
Catharanthus 'Mediterranean XP Cherry Halo'(2)   Mediterranean XP Cherry periwinkle
Catharanthus 'Mediterranean XP Rose Halo'(2)   Mediterranean XP Rose Halo periwinkle
Catharanthus 'Mediterranean XP Rose'(1)   Mediterranean XP Rose periwinkle
Catharanthus roseus 'Boa Peppermint'(1)   Boa Peppermint periwinkle
Catharanthus roseus 'Cobra Apricot'(2)   Cobra Apricot periwinkle
Catharanthus roseus 'Cobra Rose'(3)NEW   Cobra periwinkle
Catharanthus roseus 'Cooler Raspberry Red'(2)   Cooler Raspberry Red periwinkle
Catharanthus roseus 'Cora Cascade Peach Blush'(2)NEW   Cora® Cascade Peach Blush periwinkle
Catharanthus roseus 'Pacifica Apricot'(2)   Pacifica Apricot periwinkle
Catharanthus roseus 'Pacifica Deep Orchid'(2)   Pacifica Deep Orchid periwinkle
Catharanthus roseus 'Pacifica Lilac'(1)   Pacifica Lilac periwinkle
Catharanthus roseus 'Pacifica Peach'(1)   Pacifica Peach periwinkle
Catharanthus roseus 'Pacifica Red'(1)   Pacifica Red periwinkle
Catharanthus roseus 'Solar Red'(1)   Solar Red periwinkle
Catharanthus roseus 'Sunstorm Deep Lilac'(1)   Sunstorm® Deep Lilac
Catharanthus roseus 'Sunstorm Violet with Eye'(3)NEW   Sunstorm® Violet with Eye
Catharanthus roseus 'Victory Carmine'(2)NEW   Victory Carmine periwinkle
Catheranthus roseus(1)   Madagascar periwinkle
Ceanothus americanus(5)   New Jersey tea
Ceanothus obovatus(1)   Inland New Jersey tea
Cedrus atlantica(1)   Atlantic cedar
Cedrus atlantica 'Glauca'(3)   Blue Atlantic cedar
Cedrus deodara(4)   Deodar cedar
Cedrus deodara 'Aurea'(1)   Golden deodar cedar
Cedrus deodara 'Silver Mist'(2)   Silver Mist deodar cedar
Cedrus libani(2)   Cedar of Lebanon
Cedrus libani var. stenocoma(1)   Stenocoma cedar of Lebanon
Celastrus scandens(3)   American bittersweet
Celosia argentea 'Pink Candle'(2)   Pink Candle red fox
Celosia argentea 'Purple Flamingo'(1)   Purple Flamingo red fox
Celosia cristata 'Prestige Scarlet'(2)   Prestige scarlet red fox
Centaurea cineraria 'Colchester White'(1)   Colchester White dusty miller
Centaurea montana(2)   Mountain bluet
Centranthus ruber 'Coccineus'(5)   Red jupiter's beard
Centratherum intermedium 'Brazilian Button'(1)   Brazilian button flower
Cephalanthus occidentalis(1)   Buttonbush
Cephalaria gigantea(1)   Giant scabious
Cephalocereus senilis(1)   Old Man cactus
Cephalotaxus harringtonia(1)   Japanese plum yew
Cephalotaxus harringtonia 'Prostrata'(1)   Prostrate Japanese plum yew
Cephalotaxus harringtonia var. drupacea 'Duke Gardens'(1)   Duke Gardens Japanese plum yew
Cerastium tomentosum(2)   Snow in summer
Ceratostigma plumbaginoides(2)   Leadwort
Cercidiphyllum japonicum(2)   Katsuratree
Cercidiphyllum japonicum 'Amazing Grace'(2)   Amazing Grace katsuratree
Cercis canadensis(8)   Redbud
Cercis canadensis 'Alba'(2)   White redbud
Cercis canadensis 'Appalachian Red'(2)   Appalachian Red redbud
Cercis canadensis 'Forest Pansy'(2)   Forest Pansy redbud
Cercis canadensis 'Royal White'(1)   Royal White redbud
Cercis canadensis 'Tennessee Pink'(4)   Tennessee Pink redbud
Cercis chinensis(2)   Chinese redbud
Cercis mexicana(2)   Mexican redbud
Cereus jamacaru(1)   Night-blooming cereus
Chaenomeles japonica(2)   Japanese flowering quince
Chaenomeles japonica 'Cameo'(1)   Cameo Japanese flowering quince
Chaenomeles speciosa(5)   Flowering quince
Chaenomeles speciosa 'Falconet Charlet'(2)   Falconet Charlet flowering quince
Chaenomeles speciosa 'Nivalis'(1)   Nivalis flowering quince
Chaenomeles speciosa 'Pink Beauty'(1)   Pink Beauty flowering quince
Chaenomeles speciosa 'Simonii'(2)   Simon's flowering quince
Chaenomeles speciosa 'Toyo-Nishiki'(1)   Toyo-Nishiki flowering quince
Chaenomeles x superba 'Hollandia'(2)   Hollandia flowering quince
Chaenomeles x superba 'Jet Trail'(1)   Jet Trail flowering quince
Chaenomeles x superba 'Pink Lady'(2)   Pink Lady flowering quince
Chaenomeles x superba 'Rowellane'(2)   Rowellane flowering quince
Chamaecyparis pisifera 'Filifera Aureavariegata'(4)   Variegated threadleaf sawara
Chamaecyparis pisifera 'Gold Mop'(4)   Gold Mop sawara
Chamaecyparis pisifera 'Gold Spangles'(1)   Gold Spangles sawara
Chamaecyparis pisifera 'Mops'(1)   Mops sawara
Chamaecyparis thyoides(1)   Eastern white cedar
Chamaemelum nobile(2)   Roman chamomile
Chameerops humilis(1)   Windmill palm
Chasmanthium latifolium(4)   Northern sea oats
Chelone lyonii(1)   Turtlehead
Chelone obliqua(2)   Rose turtlehead
Chiastophyllum oppositifolium(1)   Lamb's tail
Chionanthus virginicus(5)   White fringetree
Chionodoxa luciliae(1)   Glory of the snow
Chrysanthemum 'Country Girl'(2)   Country Girl chrysanthemum
Chrysanthemum 'Emperor of China'(2)   Emperor of China chrysanthemum
Chrysanthemum leucanthemum(2)   Ox-eye daisy
Chrysanthemum parthenium 'Snowball'(2)   Snowball feverfew
Chrysanthemum x morifolium 'Venus'(2)   Venus chrysanthemum
Chrysanthemum x superbum 'Becky'(2)   Becky shasta daisy
Chrysogonum 'Allen Bush'(5)   Allen Bush green and gold
Chrysogonum virginianum(1)   Green and gold
Cichorium intybus(3)   Wild chicory
Cicuta maculata(1)   Water hemlock
Cimicifuga japonica(1)   Japanese bugbane
Cimicifuga racemosa(2)   Black cohosh
Cimicifuga racemosa 'Atropurpurea'(1)   Purple-leaved bugbane
Cimicifuga simplex 'White Pearl'(1)   White Pearl bugbane
Cladrastis lutea(3)   Yellowwood
Claytonia virginica(4)   Spring beauty
Clematis 'Fascination'(2)   Fascination clematis
Clematis 'Hagley Hybrid'(3)   Hagley Hybrid clematis
Clematis 'Jackmanii'(1)   Jackman's clematis
Clematis 'Margot Koster'(1)   Margot Koster clematis
Clematis 'Mrs. Robert Brydon'(4)   Mrs. Robert Brydon clematis
Clematis 'Sir Trevor Lawrence'(1)   Sir Trevor Lawrence clematis
Clematis armandii(1)   Armand's clematis
Clematis armandii 'Apple Blossom'(1)   Apple Blossom Armand's clematis
Clematis glauca(1)   
Clematis heracleifolia(1)   Tube clematis
Clematis heracleifolia 'China Purple'(1)   China Purple tube clematis
Clematis integrifolia(1)   Bush clematis
Clematis integrifolia 'Olgae'(3)   Olgae bush clematis
Clematis tangutica 'Radar Love'(3)   Radar Love golden clematis
Clematis terniflora(2)   Sweetautumn clematis
Clematis viorna(1)   Vasevine
Clematis virginiana(3)   Virgin's bower
Clematis viticella 'Betty Corning'(4)   Betty Corning clematis
Clematis viticella 'Kermesina'(3)   Kermesina clematis
Clematis viticella 'Little Nell'(2)   Little Nell clematis
Clematis viticella 'Venosa Violaceae'(1)   Venosa Violaceae clematis
Clematis x 'Henryi'(1)   Henry clematis
Clematis x 'Huldine'(1)   Huldine clematis
Clematis x 'Star of India'(2)   Star of India clematis
Cleome hassleriana(3)   Spider flower
Cleome hassleriana 'Senorita Rosalita'(1)   Senorita Rosalita spider flower
Clerodenrum indicum(2)   Tubeflower
Clethra alnifolia(2)   Summersweet clethra
Clethra alnifolia var. rosea(2)   Pink summersweet clethra
Cliftonia monophylla(2)   Buckwheat tree
Clivia miniata(1)   Kaffir lily
Collinsia verna(1)   Blue-eyed Mary
Commelina erecta(1)   Common day flower
Conium maculatum(1)   Poison hemlock
Conopholis americana(2)   Cancer root
Convallaria majalis(3)   Lily-of-the-valley
Cordyline indivisa(2)   Mountain cabbage tree
Coreopsis alpina 'Alba'(1)   White alpine coreopsis
Coreopsis auriculata 'Zamfir'(2)   Zamfir tickseed
Coreopsis grandiflora 'Early Sunrise'(3)   Early Sunrise coreopsis
Coreopsis grandiflora 'Rising Sun'(2)   Rising Sun coreopsis
Coreopsis integrifolia(2)   Chipola River tickseed
Coreopsis lanceolata 'Sunburst'(1)   Sunburst lance-leaved coreopsis
Coreopsis verticillata 'Moonbeam'(2)   Moonbeam threadleaf coreopsis
Coreopsis verticillata 'Zagreb'(1)   Zagreb threadleaf coreopsis
Cornus alba 'Alleman's Compact'(1)   Alleman's Compact Tatarian dogwood
Cornus alba 'Argenteo-marginata'(1)   White-margined Tatarian dogwood
Cornus alba 'Bailhalo'(3)   Ivory Halo TM Tatarian dogwood
Cornus alba 'Variegata'(3)   Variegated Tatarian dogwood
Cornus alternifolia(6)   Pagoda dogwood
Cornus alternifolia 'WStackman' PP#11,287(3)   Golden Shadows pagoda dogwood
Cornus canadensis(2)   Bunchberry
Cornus controversa(1)   Giant dogwood
Cornus controversa 'Variegata'(3)   Variegated giant dogwood
Cornus drummondii(3)   Roughleaf dogwood
Cornus florida(12)   Flowering dogwood
Cornus florida 'Cherokee Brave'(2)   Cherokee Brave flowering dogwood
Cornus florida 'Cherokee Chief'(1)   Cherokee Chief flowering dogwood
Cornus florida 'Cherokee Daybreak'(1)   Cherokee Daybreak flowering dogwood
Cornus florida 'Cherokee Princess'(1)   Cherokee Princess flowering dogwood
Cornus florida 'Cloud 9'(3)   Cloud 9 flowering dogwood
Cornus florida 'First Lady'(3)   First Lady flowering dogwood
Cornus florida 'Ozark Spring'(1)   Ozark Spring flowering dogwood
Cornus florida 'Pluribracteata'(4)   Double-flowering dogwood
Cornus florida 'Poinsett'(2)   Poinsett flowering dogwood
Cornus florida 'Pygmy'(1)   Pygmy flowering dogwood
Cornus florida 'Royal Red'(3)   Royal Red flowering dogwood
Cornus florida 'Spring Grove'(2)   Spring Grove flowering dogwood
Cornus florida 'Sterling Silver'(2)   Sterling Silver flowering dogwood
Cornus florida 'Sweetwater Red'(2)   Sweetwater Red flowering dogwood
Cornus florida var. rubra(2)   Pink flowering dogwood
Cornus kousa(6)   Kousa dogwood
Cornus kousa 'Goldstar'(2)   Goldstar kousa dogwood
Cornus kousa 'Milky Way'(1)   Milky Way kousa dogwood
Cornus macrophylla(3)   Big-leaved dogwood
Cornus mas(7)   Corneliancherry dogwood
Cornus mas 'Variegata'(2)   Variegated corneliancherry dogwood
Cornus nuttallii(3)   Pacific dogwood
Cornus officinalis(2)   Japanese cornel dogwood
Cornus sanguinea(2)   Bloodtwig dogwood
Cornus sericea 'Baileyi'(1)   Bailey redosier dogwood
Cornus sericea 'Garden Glow'(2)   Garden Glow redosier dogwood
Cornus stolonifera(1)   Redosier dogwood
Cornus x rutgersensis 'Rutdan'(2)   Rutdan large-flowered dogwood
Cornus x rutgersensis 'Rutgers Constellation'(3)   Rutgers Constellation large-flowered dogwood
Cornus x rutgersensis 'Rutlan'(2)   Rutlan large-flowered dogwood
Cortaderia selloana 'Gold Band'(1)   Gold Band pampas grass
Corydalis lutea(3)   Yellow corydalis
Corydalis ochroleuca(1)   Fumewort
Corydalis solida(2)   Fumewort
Corydalis solida 'George P. Baker'(1)   George P. Baker spring fumewort
Corylopsis glabrescens(5)   Fragrant winterhazel
Corylopsis sinensis(3)   Chinese winter hazel
Corylopsis spicata(2)   Spike winterhazel
Corylus americana(2)   American filbert
Corylus avellana 'Contorta'(2)   Harry Lauder's walking stick
Corylus colurna(2)   Turkish filbert
Corylus fargesii(2)   
Cosmos bipinnatus(1)   Cosmos
Cotinus coggygria(1)   Smokebush
Cotinus coggygria 'Ancot' (Golden Spirit™)(1)   Golden Spirit™ common smokebush
Cotinus coggygria 'Daydream'(2)   Daydream common smoketree
Cotinus coggygria 'Royal Purple'(1)   Royal Purple smokebush
Cotinus obovatus(2)   Common smokebush
Cotoneaster 'Hessei'(2)   Hessei cotoneaster
Cotoneaster divaricatus(4)   Spreading cotoneaster
Cotoneaster franchetti var. sternianus(4)   Franchet's cotoneaster
Cotoneaster multiflorus(2)   Many-flowered cotoneaster
Cotoneaster salicifolia(1)   Willowleaf cotoneaster
Crambe cordifolia(1)   Ornamental sea kale
Crassula ovata(1)   Jade plant
Crataegus arkansana(1)   Arkansas hawthorn
Crataegus crusgalli(13)   Cockspur hawthorn
Crataegus phaenopyrum(5)   Washington hawthorn
Crataegus poliophylla(3)   Rosemary hawthorn
Crataegus viridis 'Winter King'(7)   Winter King green hawthorn
Crataegus x lavallei(5)   Lavalle hawthorn
Crocosmia x crocosmiiflora 'Lucifer'(3)   Lucifer crocosmia
Crocus 'Cream Beauty'(5)   Cream Beauty crocus
Crocus 'Remembrance'(4)   Remembrance crocus
Crocus 'Snow-bunting'(2)   Snow-bunting crocus
Crocus chrysanthus 'E. P. Bowles'(2)   E. P. Bowles snow crocus
Crocus flavus 'Golden Yellow'(4)   Golden Yellow crocus
Crocus spp.(1)   Crocus
Crocus tommasinianus(3)   Tomasini's crocus
Crotalaria spectabilis(2)   Showy rattlebox
Croton alabamensis(2)   Alabama croton
Cucurbita pepo var. medullosa(1)   Zucchini
Cunninghamia lanceolata(3)   Common chinafir
Cuphea hyssopifolia(1)   Mexican heather
Cupressocyparis leylandii 'Gold'(1)   Gold leyland cypress
Cyclamen 'Laser White'(3)   Laser White cyclamen
Cyclamen 'Sierra Scarlet'(2)   Sierra Scarlet cyclamen
Cydonia oblonga 'Aromatnaya'(1)   Aromatnaya quince
Cymbopogon citratus(1)   Lemon grass
Cynara cardunculus(2)   Cardoon
Cypripedium acaule(1)   Stemless lady's-slipper
Cypripedium calceolus(3)   Yellow ladyslipper
Cypripedium reginae(3)   Showy ladyslipper
Cytisus decumbens(2)   Prostrate broom
Cytisus hirsutus(2)   Hairy broom
Dahlia 'Babylon Bronze'(2)   Babylon Bronze dahlia
Dahlia 'Babylon Red'(1)   Babylon Red dahlia
Dahlia 'Beatrice'(1)   Beatrice dahlia
Dahlia 'Bed Head'(2)   Bed Head fern dahlia
Dahlia 'Cafe au Lait'(2)   Cafe au Lait dahlia
Dahlia 'Cupido'(1)   Cupido dahlia
Dahlia 'Dati' (Dalina® Midi Mariana)(2)   Dalina® Midi Mariana dahlia
Dahlia 'Degas'(1)   Degas dahlia
Dahlia 'Dinner Plate'(1)   Dinner Plate dahlia
Dahlia 'Evelyne'(2)   Evelyne dahlia
Dahlia 'Gallery Leonardo'(1)   Gallery Leonardo dahlia
Dahlia 'Gallery Rembrandt'(1)   Gallery Rembrandt dahlia
Dahlia 'Gallery Singer'(1)   Gallery Singer dahlia
Dahlia 'Garden Wonder'(2)   Garden Wonder dahlia
Dahlia 'Grand Prix'(1)   Grand Prix dahlia
Dahlia 'Karma Fuchsiana'(3)   Karma Fuchsiana dahlia
Dahlia 'Katja'(1)   Katja dahlia
Dahlia 'Loretta'(1)   Loretta dahlia
Dahlia 'Ludwig Helford'(2)   Ludwig Helford dahlia
Dahlia 'Maxi Colima' (Dalina® Grande Colima)(4)   Dalina® Grande Colima dahlia
Dahlia 'Melody Mambo'(1)   Melody Mambo dahlia
Dahlia 'Mystery Day'(2)   Mystery Day dahlia
Dahlia 'Otto's Thrill'(1)   Otto's Thrill dahlia
Dahlia 'Pasa Doble'(1)   Pasa Doble dahlia
Dahlia 'Pfitzer's Joke'(2)   Pfitzer's Joke dahlia
Dahlia 'Pink Princess'(2)   Pink Princess dahlia
Dahlia 'Procyon'(1)   Procyon dahlia
Dahlia 'Promise'(2)   Promise dahlia
Dahlia 'Red Balloon'(2)   Red Balloon dahlia
Dahlia 'Red Pygmy'(2)   Red Pygmy dahlia
Dahlia 'Rock and Roll'(2)   Rock and Roll dahlia
Dahlia 'Shooting Star'(1)   Shooting Star dahlia
Dahlia 'Silver Years'(2)   Silver Years dahlia
Dahlia 'Toluca' (Dalina® Grande Toluca)(1)   Dalina® Grande Toluca dahlia
Dahlia 'Tout a Toi'(1)   Tout a toi dahlia
Dahlia var. Group 5 'Lilac Time'(1)   Lilac Time dahlia
Daphne 'Lawrence Crocker'(2)   Lawrence Crocker daphne
Daphne alpina(2)   Alpine daphne
Daphne genkwa(3)   Lilac daphne
Daphne x burkwoodii 'Carol Mackie'(1)   Carol Mackie daphne
Daphne x burkwoodii 'Somerset'(1)   Somerset burkwood daphne
Daucus carota(2)   Queen Anne's lace
Davidia involucrata(2)   Dove tree
Delosperma 'Tiffindell Magenta'(1)   Tiffindell Magenta ice plant
Delosperma floribunda 'Starburst'(4)   Starburst ice plant
Delphinium 'Blushing Bride'(1)   Blushing Bride delphinium
Delphinium 'Diamonds Blue'(1)   Diamonds Blue delphinium
Delphinium 'Pagan Purples'(1)   Pagan Purples delphinium
Delphinium grandiflorum 'Blue Butterfly'(1)   Blue Butterfly large-flowered delphinium
Desmodium canadense(2)   Showy tick trefoil
Deutzia 'Monzia'(2)   Pink-A-Boo™ deutzia
Deutzia parviflora(3)   Mongolian pride-of-Rochester
Deutzia x lemoinei 'Compacta'(2)   Dwarf Lemoine deutzia
Dianthus 'Telstar Purple'(1)   Telstar Purple dianthus
Dianthus 'Unique'(1)   Unique dianthus
Dianthus amurensis 'Siberian Blues'(4)   Siberian Blues Amur pink
Dianthus carthusianorum(2)   
Dianthus gratianopolitans 'Bath's Pink'(1)   Bath's Pink dianthus
Dianthus plumarius 'Istaul White'(1)   Istaul White plumose dianthus
Dicentra cucullaria(1)   Dutchman's breeches
Dicentra exima(2)   Fringed bleeding heart
Dicentra eximia 'Snowflakes'(1)   Snowflakes fringed bleeding heart
Dicentra formosa 'Bacchanal'(2)   Bacchanal Western bleeding heart
Dicentra formosa ssp. formosa(1)   Western bleeding heart
Dicentra spectabilis(3)   Bleeding heart
Dicentra spectabilis 'Alba'(1)   White bleeding heart
Dicentra spectabilis 'Gold Heart'(1)   Gold Heart bleeding heart
Dictamnus albus(2)   Gas plant
Diervilla lonicera(2)   Bush honeysuckle
Diervilla rivularis 'Morton'(2)   Summer Stars bush honeysuckle
Digitalis ferruginea(1)   Rusty foxglove
Digitalis grandiflora 'Carillon'(1)   Carillon yellow foxglove
Digitalis purpurea(4)   Common foxglove
Digitalis thapsi 'Spanish Peaks'(2)   Spanish Peaks foxglove
Digitalis x mertonensis(1)   Strawberry foxglove
Dioon edule(1)   Virgin palm
Dioon edule var. angustifolium(1)   Narrow-leaved virgin palm
Diospyros virginiana(2)   Common persimmon
Dipsacus sylvestris(1)   Common teasel
Dirca palustris(4)   Leatherwood
Disporum uniflorum(1)   Fairy bells
Disporum viridescens(3)   Green fairy bells
Dodecatheon meadia(7)   Shooting star
Doronicum 'Miss Mason'(4)   Miss Mason leopard's bane
Dracocephalum argunense 'Fuji Blue'(1)   Fuji Blue dragonhead
Dryopteris erythrosora(1)   Autumn fern
Dryopteris filix-mas(1)   Male fern
Dryopteris goldieana(2)   Goldie's wood fern
Duchesnia indica(4)   Indian strawberry
Dyssodia tenuiloba(2)   Dahlberg daisy
Echinacea 'Fragrant Angel'(2)   Fragrant Angel coneflower
Echinacea 'Hot Papaya'(1)   Hot Papaya coneflower
Echinacea 'Sunset'(2)   Sunset coneflower
Echinacea 'Twilight'(1)   Big Sky™ Twilight coneflower
Echinacea pallida(1)   Pale purple coneflower
Echinacea paradoxa(1)   Yellow coneflower
Echinacea paradoxa 'Yellow Mellow'(2)   Yellow Mellow yellow coneflower
Echinacea purpurea(3)   Purple coneflower
Echinacea purpurea 'Alba'(1)   White coneflower
Echinacea purpurea 'Bright Star'(1)   Bright Star purple coneflower
Echinacea purpurea 'Cygnet White'(2)   Cygnet White coneflower
Echinacea purpurea 'Kim's Mophead'(1)   Kim's Mophead coneflower
Echinacea purpurea 'Magnus'(1)   Magnus purple coneflower
Echinacea purpurea 'Ruby Star'(2)   Ruby Star purple coneflower
Echinacea purpurea 'White Swan'(3)   White Swan coneflower
Echinacea purpurpea 'Kim's Knee High'(1)   Kim's Knee High purple coneflower
Echinacea tennesseensis(3)   Tennessee coneflower
Echinacea x 'Orange Meadowbrite'(3)   Orange Meadowbrite coneflower
Echinocactus grusonii(1)   Golden Barrel cactus
Echinops ritro(2)   Globe thistle
Echinopsis chamaecereus(2)   Peanut cactus
Eichhornia crassipes(1)   Water hyacinth
Elaeagnus pungens 'Gilt Edge'(1)   Gilt Edge thorny elaeagnus
Eleutherococcus sieboldianus 'Variegatus'(2)   Variegated fiveleaf aralia
Enkianthus campanulatus(3)   Redvein enkianthus
Enkianthus perulatus(3)   White enkianthus
Epimedium 'Tama-no-genpei'(2)   Tama-no-genpei epimedium
Epimedium alpinum(1)   Alpine epimedium
Epimedium grandiflorum 'Crimson Beauty'(1)   Crimson Beauty barrenwort
Epimedium grandiflorum 'Lilafee'(3)   Lilafee barrenwort
Epimedium grandiflorum var. higoense(2)   Barrenwort
Epimedium x versicolor 'Neo-sulphureum'(1)   
Epimedium x versicolor 'Sulphureum'(1)   
Epimedium × warleyense 'Orangekönigin'(1)   Orangekönigin epimedium
Eragrostis spectabilis(1)   Love grass
Eranthis hyemalis(5)   Winter aconite
Erigeron 'Rosa Juwel'(1)   Rosa Juwel fleabane
Erigeron annuus(1)   Daisy fleabane
Erigeron glaucus 'Olga'(1)   Olga seaside daisy
Erodium manescaui(1)   Storksbill
Erodium x kolbianum 'Natasha'(1)   Natasha heronsbill
Eruca vesicaria ssp. sativa(1)   Arugula
Eryngium amethystinum(2)   Amethyst sea holly
Eryngium planum(1)   Flat sea holly
Eryngium yuccifolium(2)   Rattlesnake master
Erysimum 'Apricot Twist'(1)   Apricot Twist shrubby wallflower
Erythronium 'Pagoda'(5)   Pagoda dogtooth violet
Erythronium albidum(4)   White dogtooth violet
Eucomis comosa(2)   Pineapple flower
Eucommia ulmoides(1)   Hardy rubber tree
Euonymus alata 'Rudy Haag'(2)   Rudy Haag burning bush
Euonymus bungeana(1)   Midwinter euonymus
Euonymus europaeus var. intermedius(2)   Spindle tree
Euonymus fortunei 'Canadale Gold'(2)   Canadale Gold wintercreeper
Euonymus fortunei 'Interbolwji'(1)   Blondy® wintercreeper
Euonymus hamiltonianus(3)   Chinese spindle-tree
Euonymus obovatus(1)   Running euonymus
Eupatorium capillifolium 'Elegant Feather'(1)   Elegant Feather dog fennel
Eupatorium coelestinum(2)   Hardy ageratum
Eupatorium maculatum(3)   Spotted joe pyeweed
Eupatorium maculatum 'Album'(1)   White spotted joe pyeweed
Eupatorium rugosum 'Chocolate'(2)   Chocolate snakeroot
Euphorbia corollata(1)   Flowering spurge
Euphorbia cyparissius(1)   Cypress spurge
Euphorbia decaryi(1)   Fowls foot
Euphorbia epithymoides(3)   Cushion spurge
Euphorbia marginata(2)   Snow-on-the-Mountain
Euphorbia polychroma 'Bonfire'(2)   Bonfire cushion spurge
Eustoma grandiflorum 'Double Eagle Mixed'(1)   Double Eagle Mixed Lisianthus
Evolvulus nuttallianus 'Blue Daze'(2)   Blue Daze hairy evolvulus
Exochorda racemosa(7)   Common pearlbush
Exochorda x macrantha 'The Bride'(3)   The Bride pearlbush
Fagus grandifolia(3)   American beech
Fagus sylvatica(6)   European beech
Fagus sylvatica 'Asplenifolia'(1)   Cutleaf European beech
Fagus sylvatica 'Atropunicea'(1)   Copper beech
Fagus sylvatica 'Aurea Pendula'(1)   Yellow weeping European beech
Fagus sylvatica 'Pendula'(1)   Weeping European beech
Fagus sylvatica 'Purpurea Pendula'(2)   Weeping purple European beech
Fagus sylvatica 'Roseo-marginata'(1)   Tricolor European beech
Fagus sylvatica 'Tortuosa'(3)   Tortuosa European beech
Festuca glauca 'Meerblau'(1)   Sea-blue hard fescue
Ficus aspera 'Parcell'(2)   Mosaic fig
Ficus pumila(2)   Climbing fig
Filipendula hexapetala(1)   Dropwort
Filipendula rubra(2)   Queen of the prairie
Fittonia albivenis (Verschaffeltii Group) 'Pearcei'(4)   Juanita mosaic plant
Forsythia 'Arnold Dwarf'(2)   Arnold Dwarf forsythia
Forsythia 'Courtalyn'(3)   Week-End forsythia
Forsythia 'Fiesta'(6)   Fiesta forsythia
Forsythia 'Golden Times'(6)   Golden Times forsythia
Forsythia 'Goldzauber'(3)   Goldzauber forsythia
Forsythia 'New Hampshire Gold'(2)   New Hamshire Gold forsythia
Forsythia 'Northern Gold'(2)   Northern Gold forsythia
Forsythia 'Tremonia'(2)   Tremonia forsythia
Forsythia suspensa(3)   Weeping forsythia
Forsythia suspensa var. sieboldii(1)   Siebold's weeping forsythia
Forsythia viridissima(5)   Greenstem forsythia
Forsythia viridissima 'Klein'(2)   Klein greenstem forsythia
Forsythia viridissima var. koreana(1)   Korean greenstem forsythia
Forsythia x 'Courtasol'(2)   Gold Tide forsythia
Forsythia x intermedia(6)   Border forsythia
Forsythia x intermedia 'Beatrix Farrand'(2)   Beatrix Farrand forsythia
Fothergilla gardenii(6)   Dwarf fothergilla
Fothergilla gardenii 'Mount Airy'(3)   Mount Airy dwarf fothergilla
Fothergilla major(1)   Fothergilla
Fragaria 'Lipstick'(2)   Lipstick strawberry
Fragaria 'Pink Panda'(1)   Pink Panda strawberry
Fragaria vesca 'Variegata'(2)   Variegated alpine strawberry
Fragaria virginiana(3)   Wild strawberry
Fraxinus americana(2)   White ash
Fritillaria imperialis(1)   Crown imperial
Fritillaria persica(3)NEW   Persian lily
Fuchsia 'Angel Earrings'(1)   Angel Earrings fuchsia
Fuchsia triphylla(2)   Lady's eardrops
Furcraea foetida var. mediopicta(1)   Variegated false agave
Gaillardia 'Bicolor Bright'(1)   Bicolor Bright blanket flower
Gaillardia 'Fanfare'(2)   Fanfare blanket flower
Gaillardia 'Moxie'(1)   Moxie blanket flower
Gaillardia pulchella 'Torch Yellow'(1)   Torch Yellow blanket flower
Galanthus ikariae(2)   Snowdrop
Galanthus nivalis(3)   Snowdrop
Galium odoratum(3)   Sweet woodruff
Gardenia augusta 'Variegata'(3)   Variegated gardenia
Gaultheria procumbens(2)   Wintergreen
Gaultheria shallon(2)   Salal
Gaura lindheimeri 'Siskiyou Pink'(1)   Siskiyou Pink whirling butterflies
Gelsemium sempervirens(3)   Yellow jessamine
Gelsemium sempervirens 'Woodlander's Pale Yellow'(2)   Woodlander's Pale Yellow jessamine
Gentiana andrewsii(2)   Fringe-tipped closed gentian
Gentiana crinita(2)   Fringed gentian
Gentiana flavida(1)   Pale gentian
Gentiana linearis(1)   Narrowleaf gentian
Gentiana saponaria(2)   Soapwort gentian
Gentiana septemfida(1)   Crested gentian
Gentiana septemfida var. lagodechiana(2)   Lagodekhian crested gentian
Geranium 'Jolly Bee' PP#12,148(1)   Jolly Bee geranium
Geranium 'Patricia'(2)   Patricia geranium
Geranium 'Rozanne'(1)   Rozanne geranium
Geranium 'Spinners'(1)   Spinners geranium
Geranium 'Sugar Plum'(1)   Sugar Plum geranium
Geranium 'Walter Ingwerson'(2)   Walter Ingwerson geranium
Geranium cinereum 'Apple Blossom'(2)   Apple Blossom cranesbill
Geranium cinereum 'Purple Pillow'(1)   Purple Pillow geranium
Geranium endressii 'Wargrave's Pink'(2)   Wargrave's Pink endress geranium
Geranium himalayense(2)   Himalayan geranium
Geranium himalayense 'Gravetye'(3)   Gravetye himalayan geranium
Geranium macrorrhizum 'Album'(3)   White-flowered bigroot geranium
Geranium macrorrhizum 'Bevan's Variety'(2)   Bevan's Variety bigroot geranium
Geranium macrorrhizum 'Ingwersen's Variety'(1)   Ingwersen's Variety bigroot geranium
Geranium maculatum(5)   Wild geranium
Geranium maculatum 'Chatto'(1)   Chatto wild geranium
Geranium maculatum var. albiflorum 'Helen Gallagher'(2)   Helen Gallagher wild geranium
Geranium phaeum(3)   Mourning widow geranium
Geranium pratense(1)   Meadow cranesbill
Geranium pratense 'Plenum Caeruleum'(1)   Plenum Caeruleum meadow cranesbill
Geranium renardii(1)   Renard's geranium
Geranium renardii 'Terra Franche'(3)   Terra Franche Renard's geranium
Geranium renardii 'Tschelda'(1)   Tschelda Renard's geranium
Geranium sanguineum(2)   Bloodred geranium
Geranium sanguineum var. striata(4)   Striatum bloodred geranium
Geranium thunbergii(1)   Dewdrop cranesbill
Geranium wlassovianum(2)   Wlassov's geranium
Geranium x 'Johnson's Blue'(3)   Johnson's Blue geranium
Geranium x cantagbrigiense 'Biokovo'(4)   Biokovo geranium
Geranium x cantagbrigiense 'Karmina'(1)   Karmina geranium
Geranium x magnificum(2)   
Geranium x oxonianum 'Bressingham Delight'(1)   Bressingham Delight geranium
Geranium x oxonianum 'Claridge Druce'(1)   Claridge Druce geranium
Geranium x oxonianum 'Katherine Adele'(1)   Katherine Adele geranium
Geum chiloense 'Lady Stratheden'(1)   Lady Stratheden avens
Geum chiloense 'Mrs. Bradshaw'(1)   Mrs. Bradshaw avens
Geum triflorum(4)   Prairie smoke
Ginkgo biloba(6)   Ginkgo
Glacium flavum(4)   Horned poppy
Gladiolus spp.(1)   Gladiolus
Glechoma hederaceae 'Variegata'(1)   Variegated creeping charlie
Gomphrena 'Bicolor Rose'(1)   Bicolor Rose gomphrena
Gomphrena globosa 'Buddy'(1)   Buddy gomphrena
Gomphrena globosa 'Gnome'(2)   Gnome gomphrena
Gomphrena globosa 'Lavender'(1)   Lavender gomphrena
Gomphrena haageana 'Strawberry Fields'(1)   Strawberry Fields gomphrena
Gymnocladus dioica(1)   Kentucky coffeetree
Gypsophilia elegans 'Gypsy'(1)   Gypsy annual baby's breath
Gypsophilia repens(1)   Creeping baby's breath
Hakonechloa macra 'Aureola'(1)   Golden Japanese forest grass
Halesia carolina(7)   Carolina silverbell
Halesia diptera(3)   Two-winged silverbell
Halesia monticola var. vestita forma rosea 'Arnold's Pink'(1)   Arnold's Pink silverbell
Halesia parviflora(4)   Little silverbell
Hamamelis vernalis(3)   Vernal witchhazel
Hamamelis x 'Brevipetala'(6)   Brevipetala witchhazel
Hamamelis x intermedia(5)   Hybrid witchhazel
Hamamelis x intermedia 'Aphrodite'(5)   Aphrodite witchhazel
Hamamelis x intermedia 'Iwadoo'(1)   Iwadoo witchhazel
Hedera canariensis 'Ravensholst'(1)   Ravensholst Algerian ivy
Hedera helix(1)   English ivy
Hedera helix 'Glacier'(2)   Glacier English ivy
Hedera helix 'Gold Child'(3)   Gold Child English ivy
Hedera helix 'Teardrop'(1)   Teardrop English ivy
Hedera helix 'Walthamensis'(2)   Walthemensis English ivy
Hedera nepalensis 'Marbled Dragon'(2)   Marbled Dragon Nepal ivy
Helenium autumnale(2)   Sneezeweed
Helianthus angustifolius(2)   Swamp sunflower
Helianthus annuus(2)   Common sunflower
Helianthus annuus 'Autumn Beauty'(2)   Autumn Beauty sunflower
Helianthus annuus 'Floristan'(1)   Floristan sunflower
Helianthus annuus 'Music Box Mix'(1)   Music Box Mix sunflower
Helianthus annuus 'Prado Gold'(3)   Prado Gold sunflower
Helianthus annuus 'Ring of Fire'(1)   Ring of Fire sunflower
Helianthus annuus 'Sunspot'(1)   Sunspot sunflower
Helianthus annuus 'Vanilla Ice'(2)   Vanilla Ice sunflower
Helianthus dowellianus(2)   McDowell's sunflower
Helianthus microcephalus(1)   Small wood sunflower
Helianthus microcephalus 'Lemon Queen'(2)   Lemon Queen small wood sunflower
Helianthus verticillatus(2)   Whorled sunflower
Helichrysum bracteatum 'Golden Beauty'(1)   Golden Beauty strawflower
Helichrysum petiolare(3)   Liquorice plant
Helichrysum petiolare 'Lemon Licorice'(1)   Lemon Licorice licorice plant
Helictotrichon sempervirens(1)   Blue oat grass
Heliopsis helianthoides 'Loraine Sunshine'(5)   Loraine Sunshine false sunflower
Heliopsis helianthoides var. scabra 'Summer Sun'(1)   Summer Sun false sunflower
Heliotropium arborescens 'Marine'(1)   Marine heliotrope
Helleborus 'Heronswood Double Pink Shades'(1)   Heronswood Double Pink Shades hellebore
Helleborus 'Heronswood Double'(1)   Heronswood Double hellebore
Helleborus foetidus 'Wester Flisk'(3)   Wester Flisk bearsfoot hellebore
Helleborus orientalis(3)   Lenten rose
Helleborus x us dark red(2)   Dark red hellebore
Helleborus x us pink(1)   Pink hellebore
Helleborus x us spotted cream(2)   Spotted cream hellebore
Helleborus x us white(1)   White hellebore
Hemerocallis 'Autumn Minaret'(1)   Autumn Minaret day lily
Hemerocallis 'Best of Friends'(1)   Best of Friends daylily
Hemerocallis 'Cedar Wax Wing'(1)   Cedar Wax Wing daylily
Hemerocallis 'Derby Bound'(2)   Derby Bound daylily
Hemerocallis 'Double Gold'(2)   Double Gold daylily
Hemerocallis 'Happy Returns'(1)   Happy Returns daylily
Hemerocallis 'Jersey Spider'(2)   Jersey Spider daylily
Hemerocallis 'Justin Orange'(2)   Justin Orange daylily
Hemerocallis 'Lake Norman'(1)   Lake Norman day lily
Hemerocallis 'Little Grapette'(1)   Little Grapette daylily
Hemerocallis 'Little Wine Cup'(1)   Little Wine Cup daylily
Hemerocallis 'Lori Ann Cook'(3)   Lori Ann Cook day lily
Hemerocallis 'Lullaby Baby'(2)   Lullaby Baby daylily
Hemerocallis 'Malasian Monarch'(1)   Malasian Monarch day lily
Hemerocallis 'Mary Todd'(1)   Mary Todd daylily
Hemerocallis 'Mauna Loa'(1)   Mauna Loa daylily
Hemerocallis 'Mini Pearl'(1)   Mini Pearl daylily
Hemerocallis 'Miss Tinkerbell'(1)   Miss Tinkerbell daylily
Hemerocallis 'Orchid Corsage'(1)   Orchid Corsage day lily
Hemerocallis 'Pink Flirt'(1)   Pink Flirt daylily
Hemerocallis 'Scarlet Tanager'(1)   Scarlet Tanager daylily
Hemerocallis 'Siloam Double Classic'(2)   Siloam Double Classic daylily
Hemerocallis 'Siloam Virginia Henson'(1)   Siloam Virginia Henson day lily
Hemerocallis 'Spring Glitter'(1)   Spring Glitter daylily
Hemerocallis 'Strawberry Candy'(1)   Strawberry Candy daylily
Hemerocallis 'Stroke of Midnight'(1)   Stroke of Midnight daylily
Hemerocallis 'Sunday Gloves'(2)   Sunday Gloves daylily
Hemerocallis fulva(2)   Day lily
Hepatica acutiloba(8)   Sharp-lobed hepatica
Hepatica americana(2)   Round-lobed hepatica
Heptacodium miconioides(8)   Seven-son flower
Heuchera 'Amber Waves'(2)   Amber Waves coral bell
Heuchera 'Amethyst Mist'(3)   Amethyst Mist coral bell
Heuchera 'Green Spice'(2)   Green Spice coral bell
Heuchera 'Hollywood'(1)   Hollywood coral bell
Heuchera 'Marmalade'(1)   Marmalade coral bell
Heuchera 'Petite Lime Sherbet'(1)   Petite Lime Sherbet coral bell
Heuchera 'Pinot Gris'(1)   Pinot Gris coral bell
Heuchera 'Purple Petticoats'(1)   Purple Petticoats coral bell
Heuchera 'Regina'(1)   Regina coral bell
Heuchera 'Silver Scrolls'(1)   Silver Scrolls coral bell
Heuchera 'Snow Angel'(1)   Snow Angel coral bell
Heuchera americana 'Dale's Strain'(1)   Dale's Strain coral bell
Heuchera richardsonii(1)   Prairie alum root
Heuchera x brizoides 'Firefly'(1)   Firefly coral bells
Heucherella tiarelloides 'Bridget Bloom'(1)   Bridget Bloom coral bell
Hibiscus 'Lord Baltimore'(1)   Lord Baltimore hibiscus
Hibiscus aculeatus(1)   Pineland hibiscus
Hibiscus coccineus(2)   Scarlet hibiscus
Hibiscus moscheutos(4)   Rose mallow
Hibiscus moscheutos 'Disco Belle Pink'(2)   Disco Belle Pink Rose mallow
Hibiscus moscheutos 'Disco Belle'(2)   Disco Belle rose mallow
Hibiscus moscheutos 'Rio Grande'(1)   Rio Grande rose mallow
Hibiscus moscheutos 'Southern Belle'(1)   Southern Belle rose mallow
Hibiscus mutabilis(1)   Dixie rosemallow
Hibiscus palustris(1)   Swamp rose mallow
Hibiscus syriacus 'Blue Bird'(1)   Blue Bird rose-of-sharon
Hibiscus syriacus 'Rosia de Siria'(1)   Rosia de Siria hibiscus
Hieracium aurantiacum(1)   Orange hawkweed
Hippaestrum 'Rilona Peach'(1)   Rilona Peach amaryllis
Hippophae rhamnoides(2)   Common seabuckthorn
Hirpicium armerioides var. armerioides(2)   Mountain gerbera
Hosta 'Albo-marginata'(1)   White-margined hosta
Hosta 'Anne Arett'(1)   Anne Arett hosta
Hosta 'Atlantis'(1)   Atlantis hosta
Hosta 'Aureo-marginata'(1)   Gold-margined hosta
Hosta 'Blue Umbrella'(1)   Blue Umbrella hosta
Hosta 'Cat's Eye'(1)   Cat's Eye hosta
Hosta 'Cherry Berry'(3)   Cherry Berry hosta
Hosta 'Chinese Sunrise'(1)   Chinese Sunrise hosta
Hosta 'Crystal Tiara'(1)   Crystal Tiara hosta
Hosta 'Dark Star'(3)   Dark Star hosta
Hosta 'Daybreak'(2)   Daybreak hosta
Hosta 'Decorata'(1)   Decorata hosta
Hosta 'Devon Green'(2)   Devon Green hosta
Hosta 'Diamond Tiara'(1)   Diamond Tiara hosta
Hosta 'Dick Ward'(2)NEW   Dick Ward hosta
Hosta 'Elvis Lives'(1)   Elvis Lives hosta
Hosta 'Fair Maiden'(2)   Fair Maiden hosta
Hosta 'First Frost'(4)   First Frost hosta
Hosta 'Formal Attire'(1)   Formal Attire hosta
Hosta 'Fortunei Aurea'(1)   Fortunei Aurea hosta
Hosta 'Fragrant Bouquet'(2)   Fragrant Bouquet hosta
Hosta 'Francee'(1)   Francee hosta
Hosta 'Frances Williams'(3)   Francis Williams hosta
Hosta 'Gold Drop'(1)   Gold Drop hosta
Hosta 'Gold Edger'(1)   Gold Edger hosta
Hosta 'Gold Standard'(3)   Gold Standard hosta
Hosta 'Golden Tiara'(2)   Golden Tiara hosta
Hosta 'Guardian Angel'(2)   Guardian Angel hosta
Hosta 'Halcyon'(2)   Halcyon hosta
Hosta 'Hanky Panky'(2)   Hanky Panky hosta
Hosta 'Hoosier Harmony'(1)   Hoosier Harmony hosta
Hosta 'Independence'(1)   Independence hosta
Hosta 'Inniswood'(1)   Inniswood hosta
Hosta 'Jewel of the Nile'(1)   Jewel of the Nile hosta
Hosta 'Kabitan'(1)   Kabitan hosta
Hosta 'Krossa Regal'(2)   Kossa Regal hosta
Hosta 'Lemon Delight'(1)   Lemon Delight hosta
Hosta 'Mama Mia'(1)   Mama Mia hosta
Hosta 'Night Before Christmas'(1)   Night Before Christmas hosta
Hosta 'Patriot'(3)   Patriot hosta
Hosta 'Peppermint Ice'(1)   Peppermint Ice hosta
Hosta 'Pineapple Poll'(1)   Pineapple Poll hosta
Hosta 'Prairie Moon'(2)   Prairie Moon hosta
Hosta 'Prima Donna'(1)   Prima Donna hosta
Hosta 'Remember Me'(2)   Remember Me hosta
Hosta 'Reptillian'(1)   Reptillian hosta
Hosta 'Sagae'(2)   Sagae hosta
Hosta 'Satisfaction'(1)   Satisfaction hosta
Hosta 'Sea Sprite'(1)   Sea Sprite hosta
Hosta 'Sea Thunder'(1)   Sea Thunder hosta
Hosta 'Shogun'(1)   Shogun hosta
Hosta 'Sitting Pretty'(1)   Sitting Pretty hosta
Hosta 'So Sweet'(2)   So Sweet hosta
Hosta 'Summer Serenade'(1)   Summer Serenade hosta
Hosta 'Sun Power'(1)   Sun Power hosta
Hosta 'Sweet Home Chicago'(1)   Sweet Home Chicago hosta
Hosta 'True Blue'(1)   True Blue hosta
Hosta 'Twilight'(2)   Twilight hosta
Hosta 'Vanilla Cream'(1)   Vanilla Cream hosta
Hosta 'White Christmas'(1)   White Christmas hosta
Hosta 'Winfield Blue'(1)   Winfield Blue hosta
Hosta montana 'Aureomarginata'(2)   Aureomarginata hosta
Hosta plantaginea(2)   Fragrant plantain lily
Hosta sieboldiana var. elegans(2)   Elegans hosta
Hosta tardiana 'June'(1)   June hosta
Hosta tardiana 'Paradise Joyce'(3)   Paradise Joyce hosta
Hosta ventricosa 'Aureomarginata'(1)   Yellow-margined swollen hosta
Hosta yingeri(2)   Yinger's hosta
Houttuynia cordata 'Chameleon'(2)   Chameleon houttuynia
Humulus lupulus 'Aureus'(2)   Golden hops vine
Hyacinthus orientalis(2)   Hyacinth
Hydrangea arborescens(4)   Smooth hydrangea
Hydrangea arborescens 'Annabelle'(2)   Annabelle smooth hydrangea
Hydrangea arborescens 'Dardom'(4)   White Dome TM smooth hydrangea
Hydrangea arborescens 'Hayes Starburst'(1)   Hayes Starburst smooth hydrangea
Hydrangea arborescens 'Sterilis'(1)   Sterile smooth hydrangea
Hydrangea grandiflora(2)   Big-flowered hydrangea
Hydrangea heteromalla(1)   Himalayan hydrangea
Hydrangea macrophylla(4)   Bigleaf hydrangea
Hydrangea macrophylla 'Bailday' (Light O' Day™)(1)   Light O' Day™ bigleaf hydrangea
Hydrangea macrophylla 'Bailmer'(5)   Endless Summer TM hydrangea
Hydrangea macrophylla 'Blaumeise'(2)   Blaumeise bigleaf hydrangea
Hydrangea macrophylla 'Blue Billow'(1)   Blue Billow bigleaf hydrangea
Hydrangea macrophylla 'Blue Danube'(2)   Blue Danube bigleaf hydrangea
Hydrangea macrophylla 'Fuji-no-taki'(4)   Fuji-no-taki bigleaf hydrangea
Hydrangea macrophylla 'Mariesii'(2)   Variegated bigleaf hydrangea
Hydrangea macrophylla 'Merritt's Supreme'(1)   Merritt's Supreme bigleaf hydrangea
Hydrangea macrophylla 'Monte Forte'(2)   Monte Forte bigleaf hydrangea
Hydrangea macrophylla 'Soeur Therese'(1)   Soeur Therese bigleaf hydrangea
Hydrangea macrophylla 'Variegata'(3)   Variegated bigleaf hydrangea
Hydrangea paniculata(5)   Panicle hydrangea
Hydrangea paniculata 'Bulk'(2)   Quick Fire® panicled hydrangea
Hydrangea paniculata 'Little Lamb'(2)   Little Lamb panicled hydrangea
Hydrangea paniculata 'Tardiva'(3)   Tardiva panicle hydrangea
Hydrangea quercifolia(10)   Oakleaf hydrangea
Hydrangea quercifolia 'Pee Wee'(2)   Pee Wee oak-leaved hydrangea
Hydrangea serrata 'Woodlander'(3)   Woodlander hydrangea
Hypericum 'Cfflpc-1' (Blue Velvet™)(2)   Blue Velvet™ St. Johnswort
Hypericum 'Hidcote'(1)   Hidcote St. Johnswort
Hypericum calycinum(2)   Aaronsbeard St. Johnswort
Hypericum canadense(3)   Canada St. Johnswort
Hypericum frondosum(1)   Golden St. John's wort
Hypericum kalmianum(4)   Kalm St. Johnswort
Hypericum mutilum(2)   Dwarf St. Johnswort
Hypericum perforatum(1)   Common St. Johnswort
Iberis sempervirens(3)   Candytuft
Iberis sempervirens 'Snowflake'(1)   Snowflake candytuft
Iberis tenoreana(2)   Italian candytuft
Ilex 'Sparkleberry'(1)   Sparkleberry holly
Ilex cornuta 'Burfordii'(3)   Burford Chinese holly
Ilex crenata 'Butterball'(1)   Butterball Japanese holly
Ilex crenata 'Convexa'(1)   Convexa Japanese holly
Ilex crenata 'Golden Gem'(2)   Golden Gem Japanese holly
Ilex crenata 'Repandens'(2)   Repandens Japanese holly
Ilex crenata var. paludosa(1)   Paludosa Japanese holly
Ilex decidua(6)   Possumhaw
Ilex decidua 'Council Fire'(1)   Council Fire possumhaw
Ilex decidua 'Pocohontas'(1)   Pocohontas possumhaw
Ilex decidua 'Sundance'(2)   Sundance possumhaw
Ilex glabra 'Shamrock'(1)   Shamrock inkberry
Ilex montana(2)   Mountain winterberry
Ilex opaca(10)   American holly
Ilex opaca 'Cheerful'(3)   Cheerful American holly
Ilex opaca 'Eleanor'(2)   Eleanor American holly
Ilex opaca forma xanthocarpa(1)   Yellow-fruited American holly
Ilex pedunculosa(2)   Longstalk holly
Ilex vertcillata 'Shortcake'(6)   Shortcake common winterberry
Ilex verticillata(4)   Common winterberry
Ilex verticillata 'Bonfire'(3)   Bonfire common winterberry
Ilex verticillata 'Firestorm'(4)   Firestorm winterberry
Ilex verticillata 'Red Sprite'(4)   Red Sprite common winterberry
Ilex verticillata 'Spriber'(2)   Berry Nice™ winterberry
Ilex verticillata 'Tasquam'(3)   Tasquam common winterberry
Ilex verticillata 'Winter Gold'(5)   Winter Gold common winterberry
Ilex verticillata 'Winter Red'(9)   Winter Red common winterberry
Ilex vomitoria(6)   Yaupon holly
Ilex x 'Carolina Cardinal'(1)   Carolina Cardinal holly
Ilex x 'Mary Nell'(3)   Mary Nell holly
Ilex x aquipernyi 'San Jose'(1)   San Jose Aquipern holly
Ilex x attenuata 'Foster's #2'(4)   Foster #2 topel holly
Ilex x attenuata 'Longwood Gold'(1)   Longwood gold topel holly
Ilex x attenuata 'Sunny Foster'(2)   Sunny Foster topel holly
Ilex x meserveae 'Blue Girl'(2)   Blue Girl Meserve holly
Ilex x meserveae 'Blue Maid'(1)   Blue Maid Meserve holly
Ilex x meserveae 'Honey Maid'(2)   Honey Maid Meserve holly
Illicium floridanum(4)   Flordia anise
Impatiens 'Accent Bright Eyes'(1)   Accent Bright Eyes impatiens
Impatiens 'Accent Pink'(1)   Accent Pink impatiens
Impatiens 'Cajun Watermelon'(1)   Cajun Watermelon impatiens
Impatiens 'Coral Splash'(2)   Coral Splash impatiens
Impatiens 'Dazzler Coral Improved'(1)   Dazzler Coral Improved impatiens
Impatiens 'Dazzler White'(2)   Dazzler White impatiens
Impatiens 'Fusion Glow'(1)   Fusion Glow impatiens
Impatiens 'Impact Coral'(2)   Impact Coral impatiens
Impatiens 'Impreza Cherry Splash'(3)   Impreza Cherry Splash impatiens
Impatiens 'Mini Firefly Lavender'(1)   Mini Firefly Lavender impatiens
Impatiens 'Pink Ruffles'(1)   Pink Ruffles impatiens
Impatiens 'Salmon Sunrise'(1)   Salmon Sunrise impatiens
Impatiens 'Tempo Blush'(2)   Tempo Blush impatiens
Impatiens 'Tempo Butterfly Cherry'(2)   Tempo Butterfly Cherry impatiens
Impatiens 'Tempo White'(1)   Tempo White impatiens
Impatiens capensis(1)   Jewelweed
Impatiens hawkeri 'VINFLAVIMP'(1)   Infinity® Lavender impatiens
Impatiens pallida(3)   Pale touch-me-not
Impatiens platypeltatum 'Divine White'(1)   Divine White New Guinea impatiens
Impatiens platypeltatum 'Orange Gem'(1)   Orange Gem New Guinea impatiens
Impatiens platypeltatum 'Orchid Star'(1)   Orchid Star New Guinea impatiens
Impatiens platypeltatum 'Ovation Blush Pink'(1)   Ovation Blush Pink New Guinea impatiens
Impatiens platypeltatum 'Ovation Deep Orange'(1)   Ovation Deep Orange New Guinea impatiens
Impatiens platypeltatum 'Ovation Hot Lava'(1)   Ovation Hot Lava New Guinea impatiens
Impatiens platypeltatum 'Ovation Lavender'(1)   Ovation Lavender New Guinea impatiens
Impatiens platypeltatum 'Ovation Orange Swirl'(2)   Ovation Orange Swirl New Guinea impatiens
Impatiens platypeltatum 'Ovation Red'(2)   Ovation Red New Guinea impatiens
Impatiens platypeltatum 'Ovation Rose Swirls'(2)   Ovation Rose Swirls New Guinea impatiens
Impatiens platypeltatum 'Ovation Salmon'(2)   Ovation Salmon New Guinea impatiens
Impatiens platypeltatum 'Purple Gem'(1)   Purple Gem New Guinea impatiens
Impatiens platypeltatum 'Red Peppermint'(2)   Red Peppermint New Guinea impatiens
Impatiens platypeltatum 'Tango'(2)   Tango New Guinea impatiens
Impatiens spp.(1)   Impatiens
Imperata cylindrica 'Red Baron'(1)   Red Baron Japanese bloodgrass
Incarvillea sinensis 'Cheron White'(3)   Cheron White hardy gloxinia
Indigofera kirilowii(1)   Chinese indigo
Inula ensifolia 'Compacta'(2)   Dwarf swordleaf inula
Inula magnifica(2)   
Inula royleana(2)   Himalayan elecampane
Ipomaea tricolor 'Midnight Blue'(2)   
Ipomoea batatas 'Blackie'(2)   Blackie sweet potato vine
Ipomoea batatas 'Margueritte'(2)   Margueritte sweet potato vine
Ipomoea x multifida(4)   Cardinal climber
Iresine 'Purple Lady'(1)   Purple Lady iresine
Iris 'Batik'(1)   Batik iris
Iris 'Black Suede'(2)   Black Suede iris
Iris 'Brassie'(1)   Brassie iris
Iris 'Dumbledore'(1)   Dumbledore iris
Iris 'Fancy Caper'(1)   Fancy Caper iris
Iris 'Kingfisher Blue'(1)   Kingfisher Blue iris
Iris 'Little Sapphire'(6)   Little Sapphire iris
Iris 'Serenity Prayer'(1)   Serenity Prayer iris
Iris 'Sugar Snaps'(2)   Sugar Snaps iris
Iris 'Sun Doll'(2)NEW   Sun Doll iris
Iris cristata(5)   Crested iris
Iris danfordiae(1)   Danford iris
Iris laevigata(1)   Rabbitear iris
Iris pallida(3)   Sweet iris
Iris pallida 'Variegata'(2)   Variegated sweet iris
Iris reticulata(1)   Reticulate iris
Iris sibirica(1)   Siberian iris
Iris sibirica 'Caesar's Brother'(1)   Caesar's Brother Siberian Iris
Iris typhifolia(1)   Cattail iris
Iris x 'Cherry'(1)   Cherry iris
Isotoma axillaris 'Beth's Blue'(2)   Beth's Blue star creeper
Itea virginica(6)   Virginia sweetspire
Itea virginica 'Henry's Garnet'(5)   Henry's Garnet Virginia sweetspire
Jasminum mesnyi(4)   Primrose jasmine
Jasminum nudiflorum(1)   Winter jasmine
Jasminum polyanthum(3)   Winter jasmine
Juglans nigra(4)   Black walnut
Juglans nigra 'Laciniata'(1)   Cutleaf black walnut
Juncus effusus(1)   Common rush
Juniperus chinensis 'Old Gold'(1)   Old Gold Chinese juniper
Juniperus chinensis 'Pfitzeriana Glauca'(1)   Blue Pfitzer Chinese juniper
Juniperus chinensis 'Skybrook Gold'(1)   Skybrook Gold Chinese juniper
Juniperus chinensis var. procumbens 'Nana'(1)   Dwarf Japgarden Chinese juniper
Juniperus chinensis var. sargentii(1)   Sargent's Chinese juniper
Juniperus communis 'Gold Cone'(1)   Gold Cone common juniper
Juniperus conferta 'Blue Pacific'(1)   Blue Pacific shore juniper
Juniperus horizontalis 'Mother Lode'(1)   Mother Lode creeping juniper
Juniperus rigida(2)   Needle juniper
Juniperus sabina 'Broadmoor'(1)   Broadmoor savin juniper
Juniperus scopulorum 'Moffettii'(1)   Moffett's Rocky Mountain juniper
Juniperus scopulorum 'Moonglow'(1)   Moonglow Rocky Mountain juniper
Juniperus squamata 'Blue Star'(1)   Blue Star singleseed juniper
Juniperus squamata 'Dream Joy'(3)   Dream Joy singleseed juniper
Juniperus virginiana(2)   Eastern red cedar
Juniperus virginiana 'Canaertii'(1)   Canaert's Eastern red cedar
Juniperus virginiana 'Glauca'(2)   Glaucous Eastern red cedar
Juniperus virginiana 'Hillii'(1)   Hill's Eastern red cedar
Juniperus x pftizeriana(1)   Pfitzer juniper
Kalanchoe tomentosa(1)   Panda plant
Kalimeris incisa 'Blue Star'(1)   Blue Star false aster
Kalimeris integrifolia(1)   Japanese false aster
Kalimeris yomena 'Shogun'(1)   Shogun false aster
Kalmia latifolia(1)   Mountain-laurel kalmia
Kerria japonica(3)   Japanese kerria
Kerria japonica 'Albescens'(2)   White Japanese kerria
Kerria japonica 'Golden Guinea'(1)   Golden Guinea kerria
Kerria japonica 'Kin Kan'(2)   Kin Kan Japanese kerria
Kerria japonica 'Picta'(2)   Variegated Japanese kerria
Kerria japonica 'Pleniflora'(4)   Double-flowering Japanese kerria
Knautia macedonica 'Thunder and Lightning'(2)   Thunder and Lightning pincushion flower
Kniphofia 'Primrose Beauty'(1)   Primrose Beauty torch lily
Koelreuteria paniculata(3)   Panicled goldenraintree
Kolkwitzia amabilis(5)   Beautybush
Lablab purpureus(2)   Hyacinth bean vine
Laburnum x wateri(2)   Goldenchain Tree
Lagerstroemia indica(3)   Crape myrtle
Lamiastrum galeobdolan 'Variegatum'(3)   Variegated yellow archangel
Lamium maculatum(2)   Spotted deadnettle
Lamium maculatum 'Pink Pewter'(2)   Pink Pewter dead nettle
Lamium maculatum 'White Nancy'(2)   White Nancy dead nettle
Lantana 'Miss Huff'(1)   Miss Huff lantana
Lantana 'Patriot® Sunburst'(2)   Patriot® Sunburst lantana
Lantana camara 'Balucemlow'(1)   Lucky Lemon Glow yellow sage
Lantana montevidensis(1)   Trailing lantana
Larix decidua(7)   European larch
Larix decidua 'Pendula'(2)   Weeping European larch
Larix decidua ssp. polonica(2)   Polish larch
Larix gmelinii var. olgensis(3)   Olgensis Dahurian larch
Larix gmelinii var. principis-rupprechtii(2)   Prince Rupprecht Dahurian larch
Larix kaempferi 'Diane'(1)   Diane Japanese larch
Larix laricina(3)   Tamarack
Lathyrus latifolius 'Blushing Bride'(1)   Blushing Bride perennial sweet pea
Lathyrus latifolius 'Red Pearl'(1)   Red Pearl perennial sweet pea
Lathyrus odoratus 'Old Spice Mix'(1)   Old Spice Mix sweet pea
Laurus nobilis(1)NEW   Bay laurel
Lavandula angustifolia 'Nana Atropurpurea'(1)   Nana Atropurpurea English lavender
Lavatera 'White Satin'(2)   White Satin tree mallow
Lavatera thuringiaca(1)   Tree mallow
Leptinella squalida 'Platt's Black'(1)   Platt's Black brass buttons
Leptodermis oblonga(2)   Chinese leptodermis
Leucanthemum x superbum 'Snow Lady'(1)   Snow Lady shasta daisy
Leucanthemum x superbum 'Switzerland'(1)   Switzerland shasta daisy
Leucojum aestivum(4)   Summer snowflake
Leucothoe fontanesiana(1)   Dog hobble
Leucothoe fontanesiana 'Girard's Rainbow'(2)   Girard's Rainbow dog hobble
Lewisia 'Little Peach'(1)   Little Peach lewisia
Lewisia 'Little Plum'(3)   Little Plum lewisia
Lewisia cotyledon 'Regenbogen' mixed(2)   Mixed Rainbow Siskiyou lewisia
Liatris microcephala(1)   Small-headed blazing star
Liatris pycnostachya(1)   Prairie blazing star
Liatris spicata 'Kobold'(3)   Kobold marsh blazing star
Ligularia 'Little Rocket'(1)   Little Rocket leopard plant
Ligustrum amurense(1)   Amur privet
Ligustrum japonicum 'Jack Frost'(2)   Jack Frost Japanese privet
Ligustrum x vicaryi(1)   Vicary privet
Lilium 'African Queen'(2)   African Queen lily
Lilium 'Black Beauty'(1)   Black Beauty lily
Lilium 'Exotica'(1)   Exotica lily
Lilium 'Lemon Pixie'(2)   Lemon Pixie lily
Lilium 'Mona Lisa'(1)   Mona Lisa lily
Lilium 'Nikita'(1)   Nikita lily
Lilium 'Orange Pixie'(1)   Orange Pixie lily
Lilium 'Stargazer'(1)   Stargazer lily
Lilium longiflorum(1)   Easter lily
Lilium maculatum var. davuricum 'Japanese Double'(1)   Japanese Double spotted lily
Lilium michauxii(2)   Carolina lily
Lilium spp.(1)   Lily species
Lilium superbum(1)   Turk's cap lily
Lilium x asiatic(1)   Asiatic lily
Linaria vulgaris(1)   Butter and eggs
Lindera benzoin(7)   Spicebush
Liquidambar styraciflua(3)   Sweetgum
Liquidambar styraciflua 'Gold Dust'(2)   Gold Dust Sweetgum
Liquidambar styraciflua 'Rotundifolia'(3)   Rotundifolia Sweetgum
Liriodendron tulipifera(7)   Tuliptree
Liriope muscari 'Silvery Sunproof'(1)   Silvery Sunproof lily-turf
Liriope muscari 'Variegata'(1)   Variegated lily-turf
Lisianthus russellianus 'Forever Blue'(1)   Forever Blue tulip gentian
Lithocarpus densiflorus(2)   Tanbark oak
Lithospermum canescens(1)   Hoary puccoon
Lobelia cardinalis(2)   Cardinal flower
Lobelia erinus(1)   Annual lobelia
Lobelia spicata(1)   Spiked lobelia
Lobularia maritima(1)   Sweet alyssum
Lobularia maritima 'Royal Carpet'(1)   Royal Carpet sweet alyssum
Lobularia maritima 'Snow Crystals'(2)   Snow Crystals sweet alyssum
Lonicera alpigena 'Nana'(1)   Dwarf alpine honeysuckle
Lonicera ciliosa(1)   Western trumpet honeysuckle
Lonicera involucrata(1)   Bracted honeysuckle
Lonicera japonica(2)   Japanese honeysuckle
Lonicera japonica 'Purpurea'(3)   Purpurea Japanese honeysuckle
Lonicera korolkowii(1)   Blueleaf honeysuckle
Lonicera ledebourii(2)   Ledebour's honeysuckle
Lonicera maackii(6)   Amur honeysuckle
Lonicera prolifera(6)   Grape honeysuckle
Lonicera ruprechtiana(4)   Manchurian honeysuckle
Lonicera sempervirens(5)   Trumpet honeysuckle
Lonicera sempervirens 'Cedar Lane'(1)   Cedar Lane trumpet honeysuckle
Lonicera tatarica(3)   Tatarian honeysuckle
Lonicera tatarica 'Arnold Red'(3)   Arnold Red Tatarian honeysuckle
Lonicera x heckrottii(2)   Goldflame honeysuckle
Lonicera x purpusii(1)   Winter honeysuckle
Lonicera x xylosteoides 'Clavey's Dwarf'(2)   Clavey's Dwarf European fly honeysuckle
Loropetalum chinense(3)   Chinese fringe-flower
Loropetalum chinense var. rubrum 'Zhuzhou Fuschia'(5)   Zhuzhou Fuschia Chinese fringe-flower
Lunaria annua(2)   Money plant
Lupinus perennis(1)   Wild lupine
Lychnis chalcedonica(1)   Maltese cross
Lychnis coronaria(2)   Rose campion
Lycopodium digitatum(1)   Fan clubmoss
Lycoris squamigera(1)   Magic lily
Lysimachia ciliata 'Atropurpurea'(1)   Purple fringed loosestrife
Lysimachia clethroides(1)   Gooseneck loosestrife
Lysimachia congestiflora 'Outback Sunset'(2)   Outback Sunset loosestrife
Lysimachia japonica var. minutissima(1)   Miniature Japanese moneywort
Lysimachia nummularia 'Aurea'(3)   Yellow creeping jenny
Lysimachia punctata(1)   Yellow loosestrife
Lysimachia punctata 'Alexander'(1)   Alexander yellow loosestrife
Lythrum salicaria(2)   Purple loosestrife
Maackia amurensis(7)   Amur maackia
Maackia chinensis(3)   Chinese maackia
Maackia fauriei(1)   Faurie maackia
Magnolia 'Ann'(3)   Ann magnolia
Magnolia 'Butterfly'(3)   Butterfly magnolia
Magnolia 'Elizabeth'(3)   Elizabeth magnolia
Magnolia 'Galaxy'(3)   Galaxy magnolia
Magnolia 'Gold Star'(2)   Gold Star magnolia
Magnolia 'Jane'(4)   Jane magnolia
Magnolia 'March Till Frost'(2)   March Till Frost magnolia
Magnolia 'Marillyn'(1)   Marillyn magnolia
Magnolia 'Randy'(3)   Randy magnolia
Magnolia 'Raspberry Ice'(2)   Raspberry Ice magnolia
Magnolia 'Solar Flare'(2)   Solar Flare magnolia
Magnolia 'Yellow Bird'(6)   Yellow Bird magnolia
Magnolia 'Yellow Fever'(2)   Yellow Fever magnolia
Magnolia 'Yellow Lantern'(2)   Yellow Lantern magnolia
Magnolia acuminata(5)   Cucumbertree magnolia
Magnolia acuminata 'Elizabeth'(3)   Elizabeth cucumbertree magnolia
Magnolia acuminata 'Goldstar'(1)   Goldstar cucumbertree magnolia
Magnolia denudata(1)   Yulan magnolia
Magnolia grandiflora(5)   Southern magnolia
Magnolia hypoleuca(1)   Japanese white-barked magnolia
Magnolia kobus var. loebneri(6)   Loebner magnolia
Magnolia kobus var. loebneri 'Leonard Messei'(3)   Leonard Messei Loebner magnolia
Magnolia kobus var. loebneri 'Spring Snow'(5)   Spring Snow Loebner magnolia
Magnolia kobus var. stellata(5)   Star magnolia
Magnolia kobus var. stellata 'Ballerina'(1)   Ballerina star magnolia
Magnolia kobus var. stellata 'Centennial'(2)   Centennial star magnolia
Magnolia kobus var. stellata 'Jane Platt'(4)   Jane Platt star magnolia
Magnolia kobus var. stellata 'Rosea'(1)   Pink star magnolia
Magnolia soulangiana(13)   Saucer magnolia
Magnolia virginiana(5)   Sweetbay magnolia
Magnolia x brooklynensis 'Evamaria'(2)   Evamaria Brooklyn magnolia
Magnolia x kewensis 'Wada's Memory'(2)   Wada's Memory Kew magnolia
Magnolia x loebneri(1)   Loebner magnolia
Magnolia x soulangiana 'Picture'(2)   Picture saucer magnolia
Mahonia aquifolium(4)   Oregon grape holly
Mahonia bealei(4)   Leatherleaf mahonia
Mahonia repens(1)   Creeping mahonia
Mahonia x meadia 'Winter Sun'(4)   Winter Sun mahonia
Mahonia x media 'Lionel Fortescue'(1)   Lionel Fortescue mahonia
Malus 'Adams'(1)   Adams crabapple
Malus 'Brandywine'(4)   Brandywine crabapple
Malus 'Canary'(3)   Canary crabapple
Malus 'Coralburst'(2)   Coralburst crabapple
Malus 'David'(2)   David crabapple
Malus 'Dolgo'(3)   Dolgo crabapple
Malus 'Ellen Gerhart'(3)   Ellen Gerhart crabapple
Malus 'Frettingham's Victoria'(3)   Frettingham's Victoria crabapple
Malus 'Hargozam'(2)   Hargozam crabapple
Malus 'Harvest Gold'(4)   Harvest Gold crabapple
Malus 'Indian Magic'(2)   Indian Magic crabapple
Malus 'Liset'(2)   Liset crabapple
Malus 'Mary Potter'(1)   Mary Potter crabapple
Malus 'Molten Lava'(4)   Molten Lava crabapple
Malus 'Prairie Maid'(3)   Prairie Maid crabapple
Malus 'Prairifire'(7)   Prairifire crabapple
Malus 'Ralph Shay'(2)   Ralph Shay crabapple
Malus 'Red Jade'(2)   Red Jade crabapple
Malus 'Red Jewel'(4)   Red Jewel crabapple
Malus 'Satin Cloud'(3)   Satin Cloud crabapple
Malus 'Selkirk'(4)   Selkirk crabapple
Malus 'Sentinel'(2)   Sentinel crabapple
Malus 'Silver Moon'(2)   Silver Moon crabapple
Malus 'Snowdrift'(1)   Snowdrift crabapple
Malus 'Weepocanzum'(2)   Weeping Candied Apple™ crabapple
Malus 'White Angel'(1)   White Angel crabapple
Malus 'White Cascade'(2)   White Cascade crabapple
Malus baccata 'Jackii'(4)   Jack's Siberian crabapple
Malus floribunda(4)   Japanese flowering crabapple
Malus hupehensis(1)   Tea crabapple
Malus ioensis(2)   Prairie crabapple
Malus ioensis 'Klehm's Select Bechtel'(6)   Klehm's Select Bechtel prairie crabapple
Malus sargentii(4)   Sargent's crabapple
Malus x 'Adirondack'(2)   Adirondack flowering crabapple
Malus x 'Amberina'(2)   Amberina flowering crabapple
Malus x 'Centurion'(4)   Centurion flowering crabapple
Malus zumi var. calocarpa(3)   Redbud crabapple
Malva alcea 'Fastigiata'(4)   Upright hollyhock mallow
Malva sylvestris(2)   Common mallow
Malva sylvestris 'Primley Blue'(1)   Primley Blue common mallow
Malva sylvestris 'Zebrina'(3)   Zebrina common mallow
Mammillaria pringlei(1)   Pincushion cactus
Mandevilla x amoena(1)   Mandevilla vine
Marrubium incana(3)   Horehound
Marrubium rotundifolium(1)   Round-leaved horehound
Marsilea quadrifolia(1)   Waterclover
Matteuccia struthiopteris(4)   Ostrich fern
Matthiola incana 'Cinderella Yellow'(1)   Cinderella Yellow stock
Matthiola incana 'Trysomic'(2)   Trysomic stock
Mazus reptans(2)   Creeping mazus
Meehania cordata(2)   Meehan's mint
Melampodium paludosum(3)   Medallion Daisy
Melampodium paludosum 'Showstar'(2)   Showstar medallion daisy
Melissa officinalis 'All Gold'(1)   All Gold lemon balm
Mertensia echioides(1)   
Mertensia virginica(9)   Virginia bluebells
Mespilus germanica 'Marrow'(1)   Marrow common medlar
Milium effusum 'Aureum'(1)   Golden wood millet
Miscanthus sinensis 'Adagio'(1)   Adagio Chinese silver grass
Miscanthus sinensis 'Morning Light'(1)   Morning Light Chinese silver grass
Miscanthus sinensis 'Nippon'(4)   Nippon Chinese silver grass
Miscanthus x giganteus(2)NEW   Giant miscanthus
Mitchella repens(2)   Partridgeberry
Mitella diphylla(1)   Two-leaf miterwort
Monarda 'Cambridge Scarlet'(1)   Cambridge Scarlet bee balm
Monarda 'Gardenview Scarlet'(2)   Gardenview Scarlet bee balm
Monarda 'Raspberry Wine'(2)   Raspberry Wine bee balm
Monarda didyma 'Jacob Cline'(2)   Jacob Cline bee balm
Monarda didyma 'Marshall's Delight'(4)   Marshall's Delight bee balm
Monarda didyma 'Petite Delight'(2)   Petite Delight bee balm
Monarda didyma 'Snow White'(2)   Snow White bee balm
Monarda fistulosa(2)   Wild bergamot
Monotropa uniflora(1)   Indian pipe
Monstera deliciosa(1)   Mexican breadfruit
Morus alba 'Pendula'(1)   Weeping white mulberry
Morus rubra(4)   Red mulberry
Muehlenbeckia axillaris(1)   Twining wire vine
Musa ornata(2)   Purple flowering banana
Musa spp.(1)   Banana
Musa violacea(1)   Violet flowering banana
Muscari armeniacum(4)   Grape hyacinth
Muscari armeniacum 'Valerie Finnis'(2)   Valerie Finnis grape hyacinth
Myriophyllum aquaticum(1)   Parrot feather
Nandina domestica(2)   Heavenly bamboo
Nandina domestica 'Wood's Dwarf'(2)   Wood's Dwarf heavenly bamboo
Nandina domestica var. leucocarpa(2)   Yellow-fruited heavenly bamboo
Narcissus 'Bell Song'(1)   Bell Song daffodil
Narcissus 'Blitz'(3)   Blitz daffodil
Narcissus 'Dress Circle'(1)   Dress Circle daffodil
Narcissus 'Geranium'(4)   Geranium daffodil
Narcissus 'Glissando'(2)NEW   Glissando daffodil
Narcissus 'Ice Follies'(2)   Ice Follies daffodil
Narcissus 'Martinette'(1)NEW   Martinette daffodil
Narcissus 'Minnow'(3)   Minnow daffodil
Narcissus 'Red Aria'(2)   Red Aria daffodil
Narcissus 'Tahiti'(1)   Tahiti daffodil
Narcissus 'Tete a tete'(3)   Tete a tete daffodil
Narcissus poeticus 'Actaea'(3)   Pheasant's eye daffodil
Neillia sinensis(2)   Chinese neillia
Nemophila menziesii(1)   Baby blue eyes
Nepeta mussinii 'Blue Wonder'(2)   Blue Wonder catmint
Neviusia alabamensis(1)   Snow-wreath
Nicotiana sylvestris(2)   Flowering tobacco
Nicotiana x sanderae 'Domino Limegreen'(3)   Domino Limegreen flowering tobacco
Nierembergia caerulea 'Purple Robe'(1)   Purple Robe cup flower
Nipponanthemum nipponicum(1)   Nippon daisy
Nolina nelsonii(1)   Nelson's blue bear grass
Nymphaea 'Wood's Blue Goddess'(1)   Wood's Blue Goddess water lily
Nymphaea 'Wucai'(1)   Wucai water lily
Nymphaea spp.(2)   Water lily
Nyssa sylvatica(9)   Black tupelo
Nyssa sylvatica 'Red Fury'(1)   Red Fury black tupelo
Oenanthe javanica 'Flamingo'(1)   Variegated water parsley
Oenothera 'InnOeno131' (Lemon Drop PBR)(1)   Lemon drop primrose
Oenothera fruticosa(1)   Shrubby sundrops
Oenothera fruticosa ssp. glauca(1)   Four-angled sundrops
Oenothera macrocarpa(1)   Bigfruit evening primrose
Oenothera speciosa(1)   Evening primrose
Oenothera speciosa 'Siskiyou'(2)   Siskiyou evening primrose
Oenothera speciosa 'Woodside White'(2)   Woodside White evening primrose
Omphalodes cappadocica 'Lilac Mist'(1)   Lilac Mist navelwort
Onoclea sensibilis(1)   Sensitive fern
Onopordum acanthium(1)   Cotton thistle
Opuntia humifusa(4)   Eastern prickly pear
Opuntia macrocenatra var. santi-rita(1)   Tubac
Opuntia polyacantha(2)   Plains prickly pear
Origanum sipyleum(3)   Showy pink oregano
Origanum vulgare 'Variegatum'(2)   Variegated oregano
Orixa japonica(2)   Japanese orixa
Ornithogalum umbellatum(3)   Star of Bethlehem
Orontium aquaticum(1)   Golden club
Osmanthus fragrans(1)   Sweet olive
Osmanthus heterophyllus 'Goshiki'(2)   Goshiki false holly
Osmunda cinnamomea(1)   Cinnamon fern
Osmunda claytonia(1)   Interrupted fern
Osteospermum 'Orange Symphony'(1)   Orange Symphony African daisy
Osteospermum 'Soprano White'(3)   Soprano TM White daisy
Osteospermum 'Wild Side'(1)   Wild Side African daisy
Osteospermum ecklonis 'Passion Mix'(2)   African Daisy
Ostrya virginiana(1)   American hophornbeam
Oxalis 'Coppertone'(2)   Coppertone shamrock
Oxalis regnellii var. atropurpurea(2)   Purple wood sorrel
Oxalis triangularis(3)   Purple shamrock
Pachysandra procumbens(4)   Allegheny pachysandra
Pachysandra terminalis 'Variegata'(1)   Variegated Japanese spurge
Pachystachys lutea(1)   Golden shrimp plant
Packera aurea(2)   Golden ragwort
Paeonia 'Aurora Sunrise'(1)   Aurora Sunrise peony
Paeonia 'Belvedere Princess'(3)   Belvedere Princess peony
Paeonia 'Dinner Plate'(1)   Dinner Plate peony
Paeonia 'Embraceable'(2)   Embraceable peony
Paeonia 'Hana-Daigan'(1)   Hana-Daigan peony
Paeonia 'Hatsu-Hinode'(1)   Hatsu-Hinode peony
Paeonia 'Hira-No-Yuki'(2)   Hira-No-Yuki peony
Paeonia 'Krinkled White'(2)   Krinkled White peony
Paeonia 'Magenta Gem'(1)   Magenta Gem peony
Paeonia 'Paree Fru Fru'(1)   Paree Fru Fru peony
Paeonia 'Pillow Talk'(1)   Pillow Talk peony
Paeonia 'Pink Kisses'(2)   Pink Kisses peony
Paeonia 'Prairie Moon'(3)   Prairie Moon peony
Paeonia 'Rock's Variety'(2)   Rock's Variety peony
Paeonia 'Roland'(1)   Roland peony
Paeonia 'Spiffy'(1)   Spiffy peony
Paeonia 'Sword Dance'(1)   Sword Dance peony
Paeonia 'Taisho-No-Hokuri'(1)   Taisho-No-Hokuri peony
Paeonia 'Taiya'(1)   Taiya peony
Paeonia 'Touch of Class'(1)   Touch of Class peony
Paeonia lactiflora(2)   Peony hybrids
Paeonia lactiflora 'Sarah Bernhardt'(1)   Sandra Bernhardt peony
Paeonia suffruticosa 'Qing Xiang Bai'(2)   Delicate Fragrant White tree peony
Paeonia suffruticosa 'Zhu Sha Lei'(1)   Red Fortress tree peony
Paeonia suffruticosa 'Zi Qiao'(2)   Zi Qiao tree peony
Panax quinquefolius(1)   American ginseng
Parrotiopsis jacquemontiana(2)   
Parthenium integrifolium(2)   Wild quinine
Parthenocissus tricuspidata(1)   Boston ivy
Passiflora edulis(1)   Passionfruit
Passiflora incarnata(2)   Passion flower
Paulownia tomentosa(1)   Royal paulownia
Paxistima canbyi(3)   Mountain lover
Pedicularis canadensis(1)   Wood betony
Pelargonium quercifolium(1)   Oak-leaved geranium
Pelargonium x hortorum 'American Light Salmon'(1)   American Light Salmon geranium
Pelargonium x hortorum 'Apple Blossom'(1)   Apple Blossom geranium
Pelargonium x hortorum 'Eclipse Red'(1)   Eclipse Red geranium
Peltandra virginica(1)   Arrow arum
Pennisetum orientale(1)   Oriental fountain grass
Penstemon 'Lilliput Rose'(2)   Lilliput Rose beardtongue
Penstemon barbatus 'Elfin Pink'(2)   Elfin Pink penstemon
Penstemon barbatus var. praecox forma nanus 'Rondo'(1)   Rondo penstemon
Penstemon digitalis(2)   Foxglove beardtongue
Penstemon smallii(1)   Small's penstemon
Pentas nobilis(3)   Pentas
Perovskia atriplicifolia(2)   Russian sage
Persicaria affinis 'Darjeeling Red'(1)   Darjeeling Red fleeceflower
Persicaria amplexicaulis 'Atrosanguinea'(1)   Purple mountain fleeceflower
Persicaria amplexicaulis 'Firetail'(1)   Firetail mountain fleeceflower
Persicaria orientale(1)   Asian fleeceflower
Petasites us(1)   Butterbur
Petunia 'Burgundy Star'(1)   Burgundy Star petunia
Petunia 'Calimero Princess'(1)   Calimero Princess petunia
Petunia 'Carpet Lilac'(1)   Carpet Lilac petunia
Petunia 'Cascading Purple Wave'(1)   Cascading Purple Wave petunia
Petunia 'Celebrity Hot Pink'(1)   Celebrity Hot Pink petunia
Petunia 'Celebrity Neon'(1)   Celebrity Neon petunia
Petunia 'Celebrity Pink Morn'(1)   Celebrity Pink Morn petunia
Petunia 'Celebrity Raspberry Ice'(1)   Celebrity Raspberry Ice petunia
Petunia 'Celebrity Red Morn'(1)   Celebrity Red Morn petunia
Petunia 'Celebrity White'(1)   Celebrity White petunia
Petunia 'Chiffon Morn'(1)   Chiffon Morn petunia
Petunia 'Daddy Blue'(1)   Daddy Blue petunia
Petunia 'Daddy Sugar'(2)   Daddy Sugar petunia
Petunia 'Dream Salmon'(1)   Dream Salmon petunia
Petunia 'Dreams Midnight Blue Improved'(1)   Dreams Midnight Blue Improved petunia
Petunia 'Fantasy Blue'(1)   Fantasy Blue petunia
Petunia 'Fantasy Ivory'(1)   Fantasy Ivory petunia
Petunia 'Fantasy Light Blue'(2)   Fantasy Light Blue petunia
Petunia 'Fantasy Pink'(2)   Fantasy Pink petunia
Petunia 'Fantasy Red'(1)   Fantasy Red petunia
Petunia 'Light Pink Vein'(1)   Light Pink Vein petunia
Petunia 'Merlin Blue Picotee'(2)   Merlin Blue Picotee petunia
Petunia 'Plum Crazy Madness'(1)   Plum Crazy Madness petunia
Petunia 'Primetime Burgundy Star'(1)   Primetime Burgundy Star petunia
Petunia 'Primetime Light Blue'(1)   Primetime Light Blue petunia
Petunia 'Primetime Pink'(1)   Primetime Pink petunia
Petunia 'Primetime Plum'(1)   Primetime Plum petunia
Petunia 'Primetime Red Vein'(1)   Primetime Red Vein petunia
Petunia 'Prism Sunshine'(1)   Prism Sunshine petunia
Petunia 'Supertunia Raspberry Blast'(1)   Supertunia Raspberry Blast petunia
Petunia 'Supertunia Royal Velvet'(1)   Supertunia Royal Velvet petunia
Petunia 'Supertunia Silver'(2)   Supertunia Silver petunia
Petunia 'Tide Wave Hot Pink'(1)   Tide Wave Hot Pink petunia
Petunia grandiflora 'Appleblossom Dreams'(1)   Appleblossom Dreams petunia
Petunia grandiflora 'Blue Daddy'(2)   Blue Daddy petunia
Petunia grandiflora 'Dreams Pink'(4)   Dreams Pink petunia
Petunia grandiflora 'Dreams Red'(2)   Dreams Red petunia
Petunia grandiflora 'Dreams Salmon'(1)   Dreams salmon petunia
Petunia grandiflora 'Dreams White'(1)   Dreams White petunia
Petunia grandiflora 'Misty Lilac Wave'(4)   Misty Lilac Wave petunia
Petunia grandiflora 'Pink Wave'(1)   Pink Wave petunia
Petunia grandiflora 'Purple Wave'(2)   Purple Wave petunia
Petunia grandiflora 'Rose Wave'(2)   Rose Wave petunia
Petunia grandiflora 'Ultra Red'(2)   Ultra Red petunia
Petunia grandiflora 'Ultra Rose'(1)   Ultra Rose petunia
Petunia milliflora 'Fantasy Carmine'(2)   Fantasy Carmine petunia
Petunia milliflora 'Fantasy Crystal Red'(3)   Fantasy Crystal Red petunia
Petunia milliflora 'Fantasy Pink Morn'(4)   Fantasy Pink Morn petunia
Petunia milliflora 'Merlin Pink Morn'(1)   Merlin Pink Morn petunia
Petunia multiflora 'Merlin Blue'(2)   Merlin Blue petunia
Petunia multiflora 'Midnight Madness'(2)   Midnight Madness petunia
Phacelia bipinnatifida(1)   Fern-leaved phacelia
Phalaris arundinaceae var. picta(2)   Ribbon grass
Phaseolus coccineus 'Scaret Emperor'(2)   Scarlet Emperer scarlet runner bean
Phellodendron amurense(2)   Amur corktree
Philadelphus coronarius(3)   Sweet mockorange
Philadelphus x virginalis 'Minnesota Snowflake'(1)   Minnesota Snowflake mockorange
Phlox 'Miss Karen'(3)   Miss Karen phlox
Phlox 'Usphlo3'(1)   Intensia® Pink phlox
Phlox 'USPLX60306'(3)   Intensia® Blueberry phlox
Phlox carolina(1)   Thick-leaf phlox
Phlox carolina 'Miss Lingaard'(1)   Miss Lingaard Carolina phlox
Phlox divaricata(4)   Blue phlox
Phlox divaricata 'Dirigo Ice'(3)   Dirigo Ice woodland phlox
Phlox divaricata 'Fuller's White'(1)   Fuller's White woodland phlox
Phlox glaberrima(1)   Marsh phlox
Phlox maculata 'Natascha'(2)   Natascha sweet William phlox
Phlox panicula 'Franz Schubert'(1)   Franz Schubert garden phlox
Phlox paniculata(3)   Garden phlox
Phlox paniculata 'Blue Paradise'(1)   Blue Paradise garden phlox
Phlox paniculata 'Elizabeth'(1)   Elizabeth garden phlox
Phlox paniculata 'Laura'(5)   Laura garden phlox
Phlox paniculata 'Miss Elie'(1)   Miss Elie garden phlox
Phlox paniculata 'Miss Holland'(4)   Miss Holland garden phlox
Phlox paniculata 'Pink Flame'(2)   Pink Flame garden phlox
Phlox paniculata 'Red Magic'(1)   Red Magic garden phlox
Phlox paniculata 'Red Riding Hood'(2)   Red Riding Hood garden phlox
Phlox pilosa(1)   Prairie phlox
Phlox Spring Pearl 'Miss Mary'(2)   Miss Mary garden phlox
Phlox stolonifera 'Karl-Otto's Blue'(1)   Karl-Otto's Blue creeping phlox
Phlox stolonifera 'Sherwood Purple'(4)   Sherwood Purple creeping phlox
Phlox subulata(1)   Moss phlox
Phlox subulata 'Candy Stripe'(3)   Candy Stripe moss phlox
Physalis alkekengi(1)   Chinese lantern
Physocarpus opulifolius 'Diablo'(2)   Diablo ninebark
Phytolacca americana(1)   Pokeweed
Picea abies(2)   Norway spruce
Picea abies 'Acrocona'(2)   Acrocona Norway spruce
Picea abies 'Argenteospica'(1)   Argenteospica Norway spruce
Picea abies 'Aurea Jacobsen'(1)   Aurea Jacobsen Norway spruce
Picea abies 'Cupressina'(1)   Cupressina Norway spruce
Picea abies 'Inversa'(1)   Weeping Norway spruce
Picea abies 'Leslie'(1)   Leslie norway spruce
Picea abies 'Little Gem'(1)   Little Gem Norway spruce
Picea abies 'Pendula'(2)   Weeping Norway spruce
Picea abies 'Pygmaea'(1)   Pygmaea Norway spruce
Picea abies 'Tabuliformis'(1)   Tabuliformis Norway spruce
Picea abies 'Vermont Gold'(2)   Vermont Gold Norway spruce
Picea asperata 'Glauca'(1)   Blue dragon spruce
Picea glauca 'Conica'(2)   Dwarf Alberta spruce
Picea glauca 'Rainbow's End'(1)   Rainbow's End white spruce
Picea mariana(1)   Black spruce
Picea omorika(1)   Serbian spruce
Picea omorika 'Expansa'(1)   Expansa serbian spruce
Picea omorika 'Nana'(1)   Dwarf Serbian spruce
Picea orientalis(1)   Oriental spruce
Picea orientalis 'Skylands'(3)   Skylands oriental spruce
Picea pungens 'St. Mary's Broom'(1)   St. Mary's Broom Colorado spruce
Picea pungens 'Thomsen'(1)   Thomsen Colorado spruce
Picea pungens var. glauca(1)   Blue Colorado spruce
Picea pungens var. glauca 'Globosa'(2)   Globosa blue Colorado spruce
Picea pungens var. glauca 'Montgomery'(1)   Montgomery blue Colorado spruce
Picea pungens var. glauca 'Thume'(1)   Thume blue Colorado spruce
Picea wilsonii(1)   Wilson's spruce
Pieris japonica(4)   Japanese pieris
Pinellia tripartita(1)   
Pinus ayacahuite x strobus(3)   Pine hybrid
Pinus bungeana(3)   Lacebark pine
Pinus densiflora 'Low Glow'(1)   Low Glow red pine
Pinus densiflora 'Oculis-draconis'(6)   Dragon's Eye Japanese red pine
Pinus heldreichii(2)   Bosnian pine
Pinus heldreichii 'Aureaspicata'(1)   Aureaspicata Bosnian pine
Pinus koraiensis(3)   Korean pine
Pinus kwangtungensis(2)   Taiwan white pine
Pinus nigra(4)   Austrian pine
Pinus parviflora(1)   Japanese white pine
Pinus pumila(1)   Dwarf Siberian pine
Pinus resinosa(1)   Red pine
Pinus strobus(2)   White pine
Pinus strobus 'Bergman's Oculus-draconis'(2)   Bergman's Oculus-draconis white pine
Pinus strobus 'Contorta'(1)   Contorted white pine
Pinus strobus 'Fastigiata'(3)   Fastigiate white pine
Pinus strobus 'Joe Libbee'(1)   Joe Libbee white pine
Pinus strobus 'Pendula'(1)   Weeping white pine
Pinus strobus 'Shirley'(1)   Shirley White pine
Pinus strobus 'Witches' Broom'(1)   Witches Broom white pine
Pinus sylvestris(1)   Scots pine
Pinus sylvestris 'Beuvronensis'(1)   Beuvronensis Scots pine
Pinus sylvestris 'Greg's Variegated'(2)   Greg's Variegated Scots pine
Pinus tabulaeformis(1)   Chinese hard pine
Pinus thunbergii 'Oculis-draconis'(2)   Dragon's Eye Japanese black pine
Pinus virginiana(1)   Virginia pine
Pinus wallichiana(1)   Himalayan pine
Pistia stratiotes(4)   Water lettuce
Platanus x acerifolia 'Liberty'(1)   Liberty London planetree
Platanus x acerifolia 'Suttneri'(1)   Suttner's London planetree
Platycodon grandiflorus(3)   Balloon flower
Platycodon grandiflorus 'Fairy Snow'(1)   Fairy Snow balloon flower
Platycodon grandiflorus 'Fuji White'(1)   Fuji White balloon flower
Plectranthus argenteus 'Silver Shield'(1)   Silver Shield cockspur flower
Pleioblastus fortunei(2)   Dwarf whitestripe bamboo
Pleioblastus viridistriatus(1)   Kamuro-zasa
Pleopeltis polypodioides var. michauxiana(4)   Resurrection fern
Plumbago auriculata 'Alba'(1)   White Cape plumbago
Podophyllum peltatum(5)   Mayapple
Polemonium caeruleum(2)   Jacob's ladder
Polygonatum canaliculatum(7)   Smooth Solomon's seal
Polygonatum curvistylum(1)   
Polygonatum humile(3)   Dwarf Solomon's seal
Polygonatum odoratum 'Flore Pleno'(4)   Flore Pleno Japanese Solomon's seal
Polygonatum odoratum thunbergii 'Variegatum'(5)   Variegated Japanese Solomon's seal
Polygonum butora 'Superbum'(2)   Superbum knotweed
Polygonum polymorphum(1)   Knotweed
Polystichum retrosopaleaceum(1)   Japanese sword fern
Poncirus trifoliata(3)   Hardy-orange
Populus alba(1)   White poplar
Populus deltoides(1)   Cottonwood
Populus tremuloides(4)   Quaking aspen
Portulaca 'Duet Yellow'(1)   Duet Yellow purslane
Portulaca 'Ultra Powder Pink'(1)   Ultra Powder Pink purslane
Portulaca 'Ultra Sunshine'(1)   Ultra Sunshine purslane
Portulaca grandiflora 'Mohava Red'(1)   Mohava Red purslane
Portulaca grandiflora 'Sundial Fuchsia'(3)   Sundial Fuchsia purslane
Portulaca grandiflora 'Sundial Gold'(1)   Sundial Gold purslane
Portulaca grandiflora 'Sundial Orange'(1)   Sundial Orange purslane
Portulaca grandiflora 'Sundial Pink'(1)   Sundial Pink purslane
Portulaca grandiflora 'Sundial Scarlet'(2)   Sundial Scarlet purslane
Potentilla 'Helen Jane'(2)   Helen Jane cinquefoil
Potentilla alba(3)   White cinquefoil
Potentilla atrosanguinea(2)   Himalayan cinquefoil
Potentilla fruticosa 'McKay's White'(2)   McKay's White bush cinquefoil
Potentilla fruticosa 'Pink Beauty'(3)   Pink Beauty potentilla
Potentilla nana(1)   Arctic cinquefoil
Potentilla neumanniana 'Nana'(1)   Dwarf spring cinquefoil
Potentilla recta(1)   Sulphur cinquefoil
Primula denticulata(3)   Drumstick primrose
Primula japonica(1)   Japanese primrose
Primula japonica 'Miller's Crimson'(1)   Miller's Crimson candelabra primrose
Primula kisoana(1)   Hardy primrose
Primula kisoana 'Alba'(1)   White-flowered hardy primrose
Prunus 'Snow Goose'(2)   Snow Goose cherry
Prunus buergeriana(2)   Japanese bird cherry
Prunus cerasifera 'Pissardii'(2)   Pissard's cherry plum
Prunus cerasifera 'Thundercloud'(1)   Thundercloud cherry plum
Prunus glandulosa(3)   Dwarf flowering almond
Prunus laurocerasus 'Otto Luyken'(2)   Otto Luyken common cherrylaurel
Prunus maackii(1)   Amur chokecherry
Prunus mume 'Kobai'(1)   Kobai Japanese flowering apricot
Prunus persica(4)   Peach
Prunus persica 'Dwarf Double Red'(2)   Dwarf Double Red peach
Prunus sargentii(1)   Sargent cherry
Prunus serrulata 'Kwanzan'(3)   Kwanzan Japanese flowering cherry
Prunus subhirtella var. autumnalis(1)   Double-flowering higan cherry
Prunus x 'Hally Jolivette'(2)   Hally Jolivette cherry
Pseuderanthemum carruthersii var. carruthersii 'Reticulatum'(3)   El Dorado
Pseuderanthemum laxiflorum(1)   Amethyst Star
Pseudocydonia sinensis(1)   Chinese quince
Pseudolarix amabilis(3)   Golden larch
Pseudotsuga menziesii(3)   Douglas fir
Pseudotsuga menziesii var. glauca(1)   Blue douglas fir
Ptelea trifoliata(1)   Wafer ash
Pteridium aquilinum(1)   Bracken fern
Pteris cretica(1)NEW   Cretan brake fern
Pulmonaria 'Benediction'(1)   Benediction lungwort
Pulmonaria longifolia 'Majeste'(2)   Majeste long-leaved lungwort
Pulmonaria saccharata(1)   Bethlehem sage
Pulsatilla vulgaris 'Rode Klokke'(3)   Rode Klokke pasque flower
Puschkinia scilloides(3)   Striped squill
Pycnanthemum tenuifolium(1)   Narrow-leaved mountain mint
Pycnanthemum virginianum(1)   Common mountain mint
Pyracantha coccinea(4)   Scarlet firethorn
Pyracantha crenatoserrata 'Graberi'(4)   Graber's firethorn
Pyracantha koidzumii 'Victory'(2)   Victory pyracantha
Pyrularia pubera(2)   Buffalo nut
Pyrus calleryana 'Autumn Blaze'(1)   Autumn Blaze callery pear
Pyrus communis(2)   Common pear
Pyrus phaeocarpa(3)   Dusky pear
Quercus alba(5)   White oak
Quercus ellipsoidalis(2)   Hill's oak
Quercus frainetto(2)   Italian oak
Quercus glandulifera(2)   Korean oak
Quercus macrocarpa(1)   Bur oak
Quercus marilandica(1)   Blackjack oak
Quercus muehlenbergii(2)   Chinkapin oak
Quercus palustris(3)   Pin oak
Quercus phellos(1)   Willow oak
Quercus robur(2)   English oak
Quercus rubra(1)   Red oak
Quercus virginiana(2)   Live oak
Ranunculus ficaria 'Greencourt Gold'(1)   Greencourt Gold creeping buttercup
Ranunculus repens 'Buttered Popcorn'(1)   Buttered Popcorn creeping buttercup
Ranunculus repens var. pleniflorus(2)   Double creeping buttercup
Ranunculus septentrionalis(1)   Swamp buttercup
Ratidiba pinnata(4)   Yellow coneflower
Rhapidophyllum hystrix(1)   Blue palmetto
Rhexia virginica(1)   Meadow Beauty
Rhododendron 'April Snow'(2)   April Snow rhododendron
Rhododendron 'Bouquet de Flore'(2)   Bouquet de Flore azalea
Rhododendron 'Carrie Amanda Schroeder'(5)   Carrie Amanda Schroeder rhododendron
Rhododendron 'Cecile'(2)   Cecile Rhododendron
Rhododendron 'Dexter's Appleblossom'(1)   Dexter's Appleblossom rhododendron
Rhododendron 'Fireball'(2)   Fireball rhododendron
Rhododendron 'Gable Budoir'(1)   Gable Budoir azalea
Rhododendron 'George Taber'(2)   George Taber azalea
Rhododendron 'Girard's Fuchsia'(1)   Girard's Fuchsia rhododendron
Rhododendron 'Girard's Rose'(1)   Girard's Rose rhododendron
Rhododendron 'Karen's'(3)   Karen's azalea
Rhododendron 'Kurume Coral Bells'(1)   Kurume Coral Bells rhododendron
Rhododendron 'Kurume Glory'(1)   Kurume Glory rhododendron
Rhododendron 'Marjorie'(3)   Marjorie rhododendron
Rhododendron 'Moby Dick'(2)   Moby Dick azalea
Rhododendron 'Narcissiflora'(1)   Narcissiflora Rhododendron
Rhododendron 'Nova Zembla'(2)   Nova Zembla Rhododendron
Rhododendron 'Olga Mezitt'(2)   Olga Mezitt rhododendron
Rhododendron 'PJM'(6)   PJM Rhododendron
Rhododendron 'Renne'(1)   Renne azalea
Rhododendron 'Sandra Ann'(2)   Sandra Ann azalea
Rhododendron 'Weston's Mayflower'(2)   Weston's Mayflower rhododendron
Rhododendron 'White Lights'(6)   White Lights rhododendron
Rhododendron atlanticum(1)   Atlantic rhododendron
Rhododendron calendulaceum(3)   Flame azalea
Rhododendron canescens 'Select Yellow'(1)   Select Yellow Piedmont azalea
Rhododendron canescens 'Varnadoe Pink'(2)   Varnadoe Pink pinxter azalea
Rhododendron chapmanii(1)   Chapman's Rhododendron
Rhododendron indicum(3)   Satsuki azalea
Rhododendron maximum(2)   Rosebay rhododendron
Rhododendron mucronulatum(3)   Korean rhododendron
Rhododendron yakusimanum 'Prince'(1)   Prince yakusimanum rhododendron
Rhododenron 'Clarice'(3)   Clarice azalea
Rhodotypos scandens(7)   Black jetbead
Rhus aromatica(1)   Fragrant sumac
Rhus copallina(2)   Flame sumac
Rhus glabra(2)   Smooth sumac
Rhus radicans(1)   Poison ivy
Rhus typhina(2)   Staghorn sumac
Rhus typhina 'Laciniata'(1)   Cutleaf staghorn sumac
Ribes americana(1)   Wild blue currant
Ribes odoratum(2)   Clove currant
Robinia pseudoacacia(4)   Black locust
Robinia pseudoacacia 'Aurea'(1)   Golden black locust
Rohdea japonica(1)   Sacred lily
Rosa 'Bermuda's Kathleen'(1)   Bermuda's Kathleen rose
Rosa 'Cesar E. Chavez'(1)   Cesar E. Chavez rose
Rosa 'Cherry Parfait'(1)   Cherry Parfait rose
Rosa 'Flo Nelson'(1)   Flo Nelson rose
Rosa 'Graham Thomas'(2)   Graham Thomas rose
Rosa 'Hall Plot'(2)   Hall Plot rose
Rosa 'Josephine Land'(2)   Josephine Land rose
Rosa 'Knockout'(3)   Knockout rose
Rosa 'Noisette CarnĂ©e'(1)   Noisette CarnĂ©e rose
Rosa 'Pink Meidiland'(1)   Pink Meidiland rose
Rosa 'Princesse de Monaco'(1)   Princess de Monaco rose
Rosa 'Queen Elizabeth'(2)   Queen Elizabeth rose
Rosa 'Sea Foam'(1)   Sea Foam rose
Rosa 'Simplicity'(2)   Simplicity rose
Rosa 'William Baffin'(7)   William Baffin climbing rose
Rosa eglanteria(3)   Sweetbriar rose
Rosa glauca(1)   Red-leaved rose
Rosa rugosa(1)   Rugosa rose
Rosa rugosa 'Fru Dagmar Hastrup'(2)   Fru Dagmar Hastrup rugosa rose
Rosa x 'Henry Kelsey'(1)   Henry Kelsey rose
Rosmarinus officinalis(1)   Rosemary
Rosmarinus officinalis 'Prostratus'(2)   Creeping rosemary
Rubus allegheniensis(2)   Common blackberry
Rubus arcticus(2)   Arctic bramble
Rubus idaeus 'Aureus'(2)   Aureus white-stemmed bramble
Rubus odoratus(2)   Purple-flowering raspberry
Rubus ulmifolius(1)   Elm-leaved blackberry
Rudbeckia 'Indian Summer'(3)   Indian summer black-eyed susan
Rudbeckia fulgida(1)   Orange coneflower
Rudbeckia hirta(3)   Black-eyed Susan
Rudbeckia maxima(2)   Giant coneflower
Ruellia caroliniensis(1)   Hairy wild petunia
Ruellia humilis(5)   Wild petunia
Ruellia strepens(2)   Smooth wild petunia
Ruta graveolens(1)   Common rue
Sagittaria latifolia(1)   Common arrowhead
Sagittaria rigida(1)   Sessile-fruited arrowhead
Salix caprea(3)   Goat willow
Salix gracilistyla(3)   Rosegold pussy willow
Salix matsudana 'Tortuosa'(1)   Corkscrew willow
Salix pentandra(3)   Laurel willow
Salvia 'Argent White'(3)   Argent White sage
Salvia 'Lady in Red'(1)   Lady in Red sage
Salvia 'Vista Lavender'(1)   Vista Lavender sage
Salvia coccinea 'Coral'(1)   Coral Texas sage
Salvia faranacea 'Blue Bedder'(1)   Blue Bedder mealycup sage
Salvia faranacea 'Strata'(1)   Strata mealycup sage
Salvia faranacea 'Victoria'(4)   Victoria mealycup sage
Salvia greggii 'Cherry Chief'(2)   Cherry Chief autumn sage
Salvia guaranitica(1)   Blue anise sage
Salvia nemorosa 'Blue Hill'(1)   Blue Hill salvia
Salvia nemorosa 'Caradonna'(1)   Caradonna salvia
Salvia nemorosa 'East Friesland'(1)   East Friesland salvia
Salvia nemorosa 'Plumosa'(2)   Double Blue Queen sage
Salvia officinalis(2)   Garden sage
Salvia officinalis 'Icterina'(2)   Icterina common sage
Salvia officinalis 'Tricolor'(1)   Tricolor garden sage
Salvia verticillata 'Purple Rain'(1)   Purple Rain whorled clary sage
Salvia x suberba 'Rose Queen'(1)   Rose Queen salvia
Salvia x superba 'May Night'(2)   May Night salvia
Sambucus caerulea(2)   Blue elderberry
Sambucus canadensis(5)   Common elderberry
Sambucus canadensis 'Actutiloba'(2)   Acutiloba elderberry
Sambucus canadensis 'Sutherland Gold'(2)   Sutherland Gold common elderberry
Sambucus nigra 'Madonna'(4)   Madonna common elder
Sambucus pubens(1)   Scarlet elderberry
Sambucus racemosa ssp. pubens(2)   Red elderberry
Sanguinaria canadensis(8)   Bloodroot
Sanguinaria canadensis forma multiplex(4)   Double bloodroot
Sanguinaria canadensis forma multiplex 'Plena'(1)   Semi-double bloodroot
Sanguisorba canadensis(1)   Canadian burnet
Sanguisorba tenuifolia 'Purpurea'(1)   Japanese burnet
Sanvitalia speciosa 'Sunbini'(2)   Sunbini sanvitalia
Saponaria ocymoides(3)   Soapwort
Sarracenia flava(1)   Yellow pitcher plant
Sarracenia leucophylla(1)   Whitetop pitcher plant
Sarracenia minor(1)   Hooded pitcher plant
Sarracenia purpurea var. burkii(1)   Burk's pitcher plant
Sarracenia rubra(2)   Sweet pitcher plant
Saruma henryi(2)   Upright wild ginger
Sassafras albidum(9)   Common sassafras
Scaevola 'Blue Shamrock'(1)   Blue Shamrock scaevola
Schisandra chinensis(2)   Magnolia vine
Schizophragma hydrangeoides(3)   Japanese hydrangea vine
Schizophragma hydrangeoides 'Moonlight'(3)   Moonlight Japanese hydrangea vine
Sciadopitys verticillata(1)   Japanese umbrella-pine
Scilla hispanica(1)   Spanish squill
Scilla siberica(4)   Siberian squill
Scrophularia auriculata 'Variegata'(1)   Variegated water figwort
Scutellaria alpina(2)   Alpine skullcap
Scutellaria ocmulgee(2)   Ocmulgee skullcap
Scutellaria ocmulgee 'Alba'(2)   White Ocmulgee skullcap
Scutellaria orientalis 'Eastern Sun'(2)   Eastern Sun oriental skullcap
Scyphularia pentaphylla(3)   Black caterpillar fern
Sedum 'Matrona'(1)   Matrona sedum
Sedum 'Vera Jameson'(2)   Vera Jameson sedum
Sedum acre(1)   Stonecrop
Sedum atlanticum 'Autumn Joy'(4)   Autumn Joy sedum
Sedum japonicum 'Tokyo Sun'(1)   Tokyo Sun Japanese stonecrop
Sedum kamtschaticum(2)   Kamschatka stonecrop
Sedum kamtschaticum 'Variegatum'(1)   Variegated Kamschatka stonecrop
Sedum spectabile(2)   Showy stonecrop sedum
Sedum spectabile 'Variegatum'(2)   Variegated showy stonecrop sedum
Sedum spurium 'Fuldaglut'(1)   Fuldaglut two row stonecrop
Sedum spurium 'Tricolor'(1)   Tricolor sedum
Sedum x 'Rosy Glow'(2)   Rosy Glow sedum
Seemannia sylvatica(2)   Goldfish plant
Sempervivum arachnoideum(1)   Cobweb houseleek
Senecio glabellus(1)   Cressleaf groundsel
Senna alata(4)   Ringworm senna
Senna marilandica(2)   Wild senna
Senna surattensis(2)   Scrambled egg tree
Serenoa repens(1)   Saw palmetto
Silene regia(3)   Royal catchfly
Silphium laciniata(2)   Compass plant
Silphium perfoliatum(4)   Cup plant
Silphium terebinthinaceeum(1)   Prairie dock
Sinojackia rehderiana(4)   Jacktree
Sisyrinchium angustifolium(1)   Narrowleaf blue-eyed grass
Sisyrinchium angustifolium 'Lucerne'(2)   Lucerne narrowleaf blue-eyed grass
Smilacina stellata(4)   Starry Solomon's seal
Smilax bona-nox(2)   Saw greenbrier
Solanum dulcamara(3)   Bittersweet nightshade
Solanum laxum 'Album Variegatum'(1)   Variegated white potato vine
Solanum quitoense(2)   Naranjilla
Solanum tuberosum(1)   Potato
Solenostemon scutellarioides 'Cocoa Mint'(2)   Cocoa Mint coleus
Solenostemon scutellarioides 'Giant Exhibition Limelight'(2)   Giant Exhibition Limelight coleus
Solenostemon scutellarioides 'Red Ruffles'(1)   Red Ruffles coleus
Solenostemon scutellarioides 'Sedona'(1)   Sedona coleus
Solenostemon scutellarioides 'Velvet Lime'(2)   Velvet Lime coleus
Solenostemon scutellarioides 'Wizard Jade'(1)   Wizard Jade coleus
Solidago 'Strahlenkrone'(1)   Strahlenkrone goldenrod
Solidago altissima(1)   Tall goldenrod
Solidago canadensis(2)   Canada goldenrod
Solidago rigida(2)   Stiff goldenrod
Solidago rugosa 'Fireworks'(1)   Fireworks rough-stemmed goldenrod
Sophora japonica(3)   Japanese pagodatree
Sophora japonica 'Pendula'(2)   Weeping Japanese pagodatree
Sorbaria sorbifolia(1)   False spirea
Sorbus americana(2)   Mountain ash
Spigelia marilandica(1)   Indian pink
Spiraea betulifolia var. aemiliana(3)   Birchleaf spirea
Spiraea chamaedryfolia(2)   Germander spirea
Spiraea crenata(2)   
Spiraea fritschiana(1)   Fritsch spirea
Spiraea latifolia(1)   Meadowsweet
Spiraea media(3)   
Spiraea prunifolia(4)   Bridlewreath
Spiraea x arguta(1)   Garland spirea
Spiraea x bumalda 'Magic Carpet'(3)   Magic Carpet spirea
Spiraea x vanhouttei(1)   Vanhoutte spirea
Stachys byzantina(3)   Lamb's ears
Stachys officinalis 'Hummelo'(2)   Hummelo betony
Stachyurus praecox(2)   Spiketail
Staphylea trifolia(2)   Bladder nut
Stellaria pubera(1)   Star chickweed
Stephanandra incisa(1)   Stephanandra
Strobilanthes dyerianus(4)   Persian shield
Stromanthe sanguinea 'Triostar'(2)   Stripestar
Strongylodon macrobotrys(3)   Jade vine
Stylophorum diphyllum(4)   Celandine poppy
Styrax japonica(1)   Japanese snowbell
Sutera cordata 'Danova906'(2)   Snowstorm® Giant Snowflake® bacopa
Symphytum 'Hidcote Blue'(1)   Hidcote Blue comfrey
Symphytum grandiflorum(2)   Large-flowered comfrey
Symphytum grandiflorum 'Goldsmith'(1)   Goldsmith large-flowered comfrey
Symphytum officinale(2)   Comfrey
Symphytum x uplandicum 'Variegatum'(1)   Variegated comfrey
Symplocos tinctoria(2)   Horsesugar
Syringa 'Bailbelle' (Tinkerbelle™)(4)   Tinkerbelle™ lilac
Syringa chinensis(3)   Chinese lilac
Syringa laciniata(1)   Cutleaf lilac
Syringa vulgaris 'Agincourt Beauty'(1)   Agincourt Beauty common lilac
Syringa vulgaris 'Albert F. Holden'(1)   Albert F. Holden lilac
Syringa vulgaris 'Atheline Wilbur'(2)   Atheline Wilbur lilac
Syringa vulgaris 'Aucubaefolia'(2)   Gold variegated common lilac
Syringa vulgaris 'Charlotte Morgan'(2)   Charlotte Morgan common lilac
Syringa vulgaris 'Fuerst Buelow'(2)   Fuerst Buelow common lilac
Syringa vulgaris 'General Sheridan'(1)   General Sheridan common lilac
Syringa vulgaris 'Michelle Buchner'(2)   Michelle Buchner common lilac
Syringa vulgaris 'Sensation'(1)   Sensation lilac
Syringa x persica 'Alba'(4)   White Persian lilac
Tagetes 'Antigua Yellow'(1)   Antigua Yellow marigold
Tagetes 'Atlantis Orange'(1)   Atlantis Orange marigold
Tagetes 'Atlantis Yellow'(1)   Atlantis Yellow marigold
Tagetes 'Doubloon'(1)   Doubloon marigold
Tagetes 'First Lady'(1)   First Lady marigold
Tagetes 'Jaguar'(1)   Jaguar marigold
Tagetes 'Jubilee Diamond'(1)   Jubiliee Diamond marigold
Tagetes 'Jubilee Golden'(1)   Jubilee Golden marigold
Tagetes 'Jubilee Orange'(1)   Jubilee Orange marigold
Tamarix ramosissima 'Summer Glow'(2)   Summer Glow tamarisk
Taraxacum officinale(3)   Common dandelion
Taxodium ascendens(4)   Pondcypress
Taxodium ascendens 'Prairie Sentinel'(2)   Prairie Sentinel pondcypress
Taxodium distichum(2)   Baldcypress
Taxodium distichum 'Monarch of Illinois'(1)   Monarch of Illinois baldcypress
Taxus baccata(3)   English yew
Taxus cuspidata(1)   Japanese yew
Taxus cuspidata 'Aurescens'(1)   Aurescens Japanese yew
Taxus cuspidata 'Bright Gold'(3)   Bright Gold Japanese yew
Thalictrum aquilegifolium(4)   Columbine-leaved meadow rue
Thalictrum ichangense(1)   China meadow rue
Thalictrum rochebrunianum(2)   Lavender mist
Thuja occidentalis 'Filiformis'(1)   Threadleaf eastern arborvitae
Thuja occidentalis 'Hetz Midget'(1)   Hetz Midget eastern arborvitae
Thuja occidentalis 'Holmstrup'(1)   Holmstrup eastern arborvitae
Thuja occidentalis 'Hoseri'(2)   Hoser eastern arborvitae
Thuja occidentalis 'Lutea'(3)   Yellow eastern arborvitae
Thuja occidentalis 'Pendula'(1)   Weeping eastern arborvitae
Thuja occidentalis 'Sunkist'(1)   Sunkist eastern arborvitae
Thuja occidentalis 'Teddy'(1)   Teddy Eastern arborvitae
Thuja occidentalis 'Yellow Ribbon'(1)   Yellow Ribbon eastern arborvitae
Thuja occidentalis pumila 'Sudworthii'(1)   Sudworth's oriental arborvitae
Thuja orientalis(1)   Oriental arborvitae
Thuja plicata(1)   Western redcedar
Thunbergia alata(1)   Black-eyed susan vine
Thunbergia alata 'Sunny Lemon'(1)   Sunny Lemon black-eyed susan vine
Thymus pseudolanuginosus(2)   Woolly thyme
Thymus richardii ssp. nitidus(1)   Orange peel thyme
Thymus serpyllum(1)   Wild thyme
Tiarella 'Heronswood Mist'(3)   Heronswood Mist foamflower
Tiarella 'Inkblot'(1)   Inkblot foamflower
Tiarella cordifolia(1)   Foamflower
Tiarella cordifolia 'Spring Symphony'(1)   Spring Symphony foamflower
Tiarella wherryi(1)   Wherry's foamflower
Tibouchina heteromalla(3)   Silver-leafed princess flower
Tilia cordata 'Winter Orange'(2)   Winter Orange littleleaf linden
Tillandsia usneoides(1)   Spanish moss
Tithonia rotundifolia(1)   Mexican sunflower
Torenia fournieri 'Duchess Mix'(1)   Duchess Mix wishbone flower
Tradescantia 'Osprey'(1)   Osprey spiderwort
Tradescantia bracteata(1)   Prairie spiderwort
Tradescantia ohiensis(2)   Ohio spiderwort
Tradescantia pallida(1)   Purple heart
Tradescantia virginiana(2)   Common spiderwort
Tradescantia x andersoniana 'Bilberry Ice'(2)   Bilberry Ice spiderwort
Tradescantia x andersoniana 'Concord Grape'(1)   Concord grape spiderwort
Tradescantia x andersoniana 'Sweet Kate'(1)   Sweet Kate spiderwort
Triadica sebifera(6)NEW   Chinese tallow tree
Trichostema dichotomum(1)   Forked blue-curls
Tricyrtis 'Amethystina'(1)   Amethystina toad lily
Tricyrtis 'Shirohotogisu'(1)   Shirohotogisu toad lily
Tricyrtis 'Sinome'(1)   Sinome toadlily
Tricyrtis 'Tojen'(4)   Tojen toad lily
Tricyrtis flava(2)   Yellow toad lily
Tricyrtis formosana 'Gilt Edge'(1)   Gilt Edge toad lily
Tricyrtis formosana 'Samurai'(1)   Samurai toad lily
Tricyrtis hirta 'Albomarginata'(6)   White variegated toadlily
Tricyrtis hirta 'Miyazaki'(1)   Miyazaki toad lily
Tricyrtis hirta 'Variegata'(1)   Variegated toadlily
Tricyrtis latifolia(2)   Toad lily
Tricyrtis macropoda(1)   Candelabra toadlily
Trillium decipiens(1)   Chattahoochee River wakerobin
Trillium erectum 'Beige'(1)   Beige wake-robin
Trillium flexipes(9)   Bent trillium
Trillium grandiflorum(3)   Large-flowered trillium
Trillium grandiflorum dwarf(1)   Dwarf large-flowered trillium
Trillium lancifolium(1)   Lanceleaf wakerobin
Trillium lancifolium yellow(1)   Yellow lanceleaf wakerobin
Trillium luteum(2)   Yellow trillium
Trillium ovatum(2)   Western white trillium
Trillium pusillum(1)   Dwarf wakerobin
Trillium recurvatum(5)   Prairie trillium
Trillium stamineum(1)   Twisted trillium
Trollius chinensis 'Golden Queen'(1)   Golden Queen globeflower
Trollius x cultorum 'Orange Globe'(2)   Orange Globe globeflower
Tropaeolum majus(1)   Nasturtium
Tropaeolum majus 'Variegatum'(3)   Variegated nasturtium
Tsuga canadensis(1)   Canadian hemlock
Tsuga canadensis 'Bergman's Weeping'(1)   Bergman's Weeping Canadian hemlock
Tsuga canadensis 'Cole'(1)   Cole Canadian hemlock
Tsuga canadensis 'Curly'(1)   Curly Canadian hemlock
Tsuga canadensis 'Dwarf Whitetip'(3)   Dwarf Whitetip Canadian hemlock
Tsuga canadensis 'Jervis'(1)   Jervis Canadian hemlock
Tsuga canadensis 'Kingsville Spreader'(1)   Kingsville Spreader Canadian hemlock
Tsuga canadensis 'Pendula'(1)   Weeping Canadian hemlock
Tsuga caroliniana(2)   Carolina hemlock
Tulipa 'Apricot Beauty'(4)   Apricot Beauty tulip
Tulipa 'Ballade'(4)   Ballade tulip
Tulipa 'Blue Parrot'(1)   Blue Parrot tulip
Tulipa 'Blushing Beauty'(1)   Blushing Beauty tulip
Tulipa 'Candy Club'(1)   Candy Club tulip
Tulipa 'Mariette'(2)   Mariette tulip
Tulipa 'Mona Lisa'(1)   Mona Lisa tulip
Tulipa 'Monte Carlo'(1)   Monte Carlo tulip
Tulipa 'Paul Richter'(1)   Paul Richter tulip
Tulipa 'Pimpernel'(1)   Pimpernel tulip
Tulipa 'Sweety'(3)   Sweety tulip
Tulipa 'The Mounties'(1)   The Mounties tulip
Tulipa 'White Triumphator'(1)   White Triumphator tulip
Tulipa bakeri 'Lilac Wonder'(2)   Lilac Wonder tulip
Tulipa clusiana(4)   Lady tulip
Tulipa fosteriana 'Red Emperor'(1)   Red Emperor tulip
Tulipa greigii 'Red Riding Hood'(2)   Red Riding Hood tulip
Tulipa humilis Violacea Group, yellow base(2)   Violet tulip
Tulipa kaufmanniana 'Ancilla'(6)   Ancilla lily-flowered tulip
Tulipa kaufmanniana 'Scarlet Baby'(4)   Scarlet Baby lily-flowered tulip
Tulipa tarda(2)   Dasystemon tulip
Ulmus 'Frontier'(1)   Frontier elm
Ulmus 'Morton'(2)   Accolade TM elm
Ulmus carpinifolia 'Umbraculifera'(1)   Umbraculifera smooth-leaf elm
Ulmus parvifolia 'Seiju'(1)   Seiju Chinese elm
Ulmus pumila 'Pendula'(1)   Weeping Siberian elm
Uvularia grandiflora(2)   Large-flowered bellwort
Uvularia perfoliata(3)   Bellwort
Vaccinium ashei 'Tiftblue'(2)   Tiftblue rabbiteye blueberry
Vaccinium macrocarpon(3)   American cranberry
Vaccinium stamineum(2)   Squaw-hackberry
Valeriana officinalis(1)   Valerian
Verbascum chaixii(2)   Chaix mullein
Verbascum olympicum(1)   Greek mullein
Verbena 'Babylon Lilac'(1)   Babylon lilac verbena
Verbena 'Homestead Purple'(3)   Homestead Purple verbena
Verbena 'KLEVP12449'(2)   Aztec™ Violet Wink verbena
Verbena 'Sissinghurst'(1)   Sissinghurst verbena
Verbena 'Superbena Dark Blue'(1)   Superbena Dark Blue verbena
Verbena 'Temari Bright Pink'(1)   Temari Bright Pink verbena
Verbena 'Temari Burgundy'(1)   Temari Burgundy verbena
Verbena 'Temari Cherry Blossom Pink'(1)   Temari Cherry Blossom Pink verbena
Verbena bonariensis(2)   Brazilian verbena
Verbena canadensis(2)   Clump verbena
Verbena canadensis 'Alba'(1)   White clump verbena
Veronica 'Sunny Border Blue'(3)   Sunny Border Blue speedwell
Veronica alpina 'Goodness Grows'(1)   Goodness Grows alpine speedwell
Veronica longifolia 'Fascination'(1)   Fascination longleaf speedwell
Veronica peduncularis 'Georgia Blue'(2)   Georgia Blue creeping veronica
Veronica spicata(1)   Spike speedwell
Veronica spicata 'Blauteppih'(1)   Blauteppih spike speedwell
Veronica spicata 'White Icicle'(2)   White Icicle spike speedwell
Veronicastrum virginicum(3)   Culver's root
Viburnum 'Eskimo'(2)   Eskimo viburnum
Viburnum burejaeticum(1)   Manchurian viburnum
Viburnum burkwoodii(2)   Burkwood viburnum
Viburnum carlesii(4)   Koreanspice viburnum
Viburnum carlesii 'Compactum'(2)   Dwarf koreanspice viburnum
Viburnum cassinoides(1)   Witherod viburnum
Viburnum dentatum(2)   Arrowwood viburnum
Viburnum dentatum 'Morton'(1)   Morton arrowwood viburnum
Viburnum dilatatum(4)   Linden viburnum
Viburnum dilatatum 'Asian Beauty'(4)   Asian Beauty linden viburnum
Viburnum dilatatum 'Erie'(4)   Erie linden viburnum
Viburnum dilatatum 'Michael Dodge'(6)   Michael Dodge linden viburnum
Viburnum farreri 'Album'(1)   White fragrant viburnum
Viburnum lantana(5)   Wayfaringtree viburnum
Viburnum lantana 'Macrophyllum'(3)   Macrophyllum wayfaringtree viburnum
Viburnum lantana 'Mohican'(2)   Mohican wayfaringtree viburnum
Viburnum lantana var. variegatum(2)   Variegated wayfaringtree viburnum
Viburnum lentago(6)   Nannyberry viburnum
Viburnum macrocephalum(4)   Chinese snowball viburnum
Viburnum molle(4)   Kentucky viburnum
Viburnum mongolicum(1)   Mongolian arrowwood
Viburnum nudum(1)   Smooth witherod viburnum
Viburnum nudum 'Winterthur'(1)   Winterthur smooth witherod viburnum
Viburnum nudum var. angustifolium(1)   Narrow-leaved smooth witherod viburnum
Viburnum opulus(6)   European cranberrybush viburnum
Viburnum opulus 'Aureum'(2)   Aureum European cranberrybush viburnum
Viburnum plicatum forma plicatum(1)   Snowball viburnum
Viburnum plicatum forma tomentosum 'Kern's Pink'(3)   Kern's Pink doublefile viburnum
Viburnum plicatum forma tomentosum 'Mariesii'(7)   Maries doublefile viburnum
Viburnum plicatum forma tomentosum 'Rotundifolium'(2)   Rotundifolium doublefile viburnum
Viburnum plicatum forma tomentosum 'Watanabe'(2)   Watanabe doublefile viburnum
Viburnum prunifolium(5)   Blackhaw viburnum
Viburnum rafinesquianum var. affine(1)   Rafinesque viburnum
Viburnum rhytidophyllum(3)   Leatherleaf viburnum
Viburnum rufidulum(1)   Rusty blackhaw viburnum
Viburnum rufidulum 'Morton'(3)   Morton rusty blackhaw viburnum
Viburnum sargentii(1)   Sargent viburnum
Viburnum sargentii 'Onondaga'(2)   Onondaga sargent viburnum
Viburnum sargentii forma calvescens(1)   Hairless sargent viburnum
Viburnum setigerum(7)   Tea viburnum
Viburnum setigerum 'Aurantiacum'(3)   Aurantiacum tea viburnum
Viburnum sieboldii(5)   Siebold viburnum
Viburnum tinus(5)   Laurustinus
Viburnum trilobum(2)   American cranberrybush viburnum
Viburnum trilobum 'Spring Red'(4)   Spring Red American cranberrybush viburnum
Viburnum x burkwoodii 'Conoy'(4)   Conoy Burkwood viburnum
Viburnum x burkwoodii 'Park's Farm'(2)   Park's Farm burkwood viburnum
Viburnum x carlcephalum(2)   Fragrant snowball viburnum
Viburnum x carlcephalum 'Cayuga'(3)   Cayuga fragrant snowball viburnum
Viburnum x jackii(4)   Jack's viburnum
Viburnum x juddii(1)   Judd viburnum
Viburnum x pragense(3)   Prague viburnum
Viburnum x rhytidophylloides(2)   Lantanaphyllum viburnum
Viburnum x rhytidophylloides 'Alleghany'(3)   Alleghany lantanaphyllum viburnum
Viburnum x rhytidophylloides 'Willowwood'(2)   Willowwood lantanaphyllum viburnum
Vinca major(1)   Large periwinkle
Vinca minor(1)   Common periwinkle
Vinca minor 'Alba'(1)   White common periwinkle
Vinca minor 'Atropurpurea'(1)   Purple common periwinkle
Vinca minor 'Bowles Variety'(1)   Bowles Variety common periwinkle
Vinca minor 'Dart's Blue'(1)   Dart's Blue common periwinkle
Vinca minor 'Honeydew'(2)   Honeydew common periwinkle
Vinca minor 'Ralph Shugert'(1)   Ralph Shugart common periwinkle
Vinca minor 'Valley Gold'(2)   Valley Gold common periwinkle
Viola 'Angel Amber Kiss'(3)   Angel Amber Kiss violet
Viola 'Ultima Morpho'(4)   'Ultima Morpho' pansy
Viola cornuta 'Lavender Ice'(1)   Lavender Ice horned violet
Viola cornuta 'Lemon Chiffon'(2)   Lemon Chiffon horned violet
Viola cornuta 'Penny Orange'(1)   Penny Orange horned violet
Viola cornuta 'Penny Primrose'(1)   Penny Primrose horned violet
Viola cornuta 'Purple Duet'(1)   Purple Duet horned violet
Viola cornuta 'Sorbet French Vanilla'(1)   Sorbet French Vanilla horned violet
Viola cornuta 'Sorbet Orange Duet'(2)   Sorbet Orange Duet horned violet
Viola labradorica(3)   Labrador violet
Viola pedata(4)   Birdsfoot violet
Viola x wittrockiana(2)   Pansy
Viola x wittrockiana 'Bingo Blue Frost'(1)   Bingo Blue Frost pansy
Viola x wittrockiana 'Crystal Bowl True Blue'(1)   Crystal Bowl True Blue pansy
Viola x wittrockiana 'Crystal Bowl True Yellow'(1)   Crystal Bowl True Yellow pansy
Vitex agnu-castus 'Silver Spire'(4)   Silver Spire chaste-tree
Waldsteinia ternata(1)   Siberian barren strawberry
Weigela florida(2)   Weigela
Weigela florida 'Bristol Ruby'(1)   Bristol Ruby weigela
Weigela florida 'Red Prince'(1)   Red Prince weigela
Weigela florida 'Rubigold'(3)   Rubigold old-fashioned weigela
Weigela florida 'Variegata'(1)   Variegated weigela
Weigela florida 'Wine and Roses'(1)   Wine and Roses weigela
Weigela praecox(2)   Praecox weigela
Wisteria brachybotrys 'Shiro-kapitan'(3)NEW   Shiro-kapitan silky wisteria
Wisteria floribunda(4)   Japanese wisteria
Wisteria macrostachya(3)   Kentucky wisteria
Wisteria sinensis(3)NEW   Chinese wisteria
Xanthium echinatum(1)   Beach cockelbur
Xanthoceras sorbifolium(2)   Yellowhorn
Xanthocyparis nootkatensis 'Aureovariegata'(2)   Yellow-variegated Nootka falsecypress
Xanthorhiza simplicissima(8)   Yellowroot
Yucca filamentosa(2)   Adam's needle
Yucca filamentosa 'Bright Edge'(1)   Bright Edge Adam's needle
Yucca filamentosa 'Color Guard'(1)   Color Guard Adam's needle
Yucca filamentosa 'Golden Sword'(1)   Golden Sword Adam's needle
Yucca filamentosa 'Variegata'(1)   Variegated Adam's needle
Zamia furfuracea(1)   Jamaican cardboard palm
Zelkova serrata(5)   Japanese zelkova
Zephyranthes atamasco(1)   Atamasco lily
Zinnia 'Giant Coral'(4)   Giant Coral zinnia
Zinnia 'Golddust Pinwheel'(2)   Golddust Pinwheel zinnia
Zinnia 'Profusion Yellow'(1)   Profusion Yellow zinnia
Zinnia 'Salmon Pinwheel'(2)   Salmon Pinwheel zinnia
Zinnia 'Star Gold'(2)   Star Gold zinnia
Zinnia 'Star White'(1)   Star White zinnia
Zinnia 'Swizzle Scarlet & Yellow'(1)   Swizzle Scarlet & Yellow zinnia
Zinnia 'Tropical Snow'(1)   Tropical Snow zinnia
Zinnia 'White Pinwheel'(2)   White Pinwheel zinnia
Zinnia elegans 'Envy'(1)   Envy zinnia
Zinnia elegans 'Profusion Cherry'(4)   Profusion Cherry zinnia
Zinnia elegans 'Profusion Orange'(1)   Profusion Orange zinnia
Zinnia grandiflora(2)   Rocky Mountain zinnia
Zinnia spp.(1)   Zinnias

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