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Re: street tree regulations


>Of course I have to research the trees I want very very througholy.  I've
>been reading everything I can get my hands on.  Almost no sources tell you
>if a tree is appropriate in a sidewalk strip.  Even the Sunset listing
>tells you about good patio plants only so they have some that can't take
>the additional root restriction of a sidewalk strip and take out some that
>have say more leaf drop than you'd want on a patio but okay for the
>sidewalk strip.  The only trees I am sure will be okay as a street tree are
>almonds and (fruitless) olives.

Cyndi--

When I was trying to organize a street-tree planting for my neighborhood in
San Francisco I got a pile of materials from Friends of the Urban Forest,
including a booklet entitled "Trees for San Francisco: A guide to
street-tree planting and care." Unfortunately, as far as I know this
excellent and useful booklet is not for sale.

However, I will list the recommended species and cultivars here for
everyone. All have been grown as street trees for a number of years and
found to stand up to pollution and not heave pavement (though a few need
root barriers). Most do not require additional water after their third year
in place. If you want additional information about any of them let me know
and I will type out what the booklet says. Oh, and Sunset doesn't agree
about some of them being suitable for zone 17, but there you go.

Acacia baileyana (Bailey's Acacia) -- ht 20-35'; sp 30'
Acacia malanoxylon (Blackwood Acacia) --ht 35-60'; sp 20'
Aesculus carnea (Red Horsechestnut) -- ht 25-35'; sp 20'
Agonis flexuosa (Peppermint Willow) -- ht 25-30'; sp 25'
Arbutus unedo (Strawberry Tree) -- ht 15 - 20'; sp 15'
Callistemon citrinus (Lemon Bottlebrush) -- ht 15-20'; sp 15'
Callistemon viminalis (Weeping Bottlebrush) -- ht 20-35'; sp 15'
Celtis sinensis (Chinese Hackberry) -- ht 25-35'; sp 20'
Cordyline australis (Giant Dracaena) -- ht 20-30'; sp 15'
Crataegus laevigata 'Paul's Scarlet' (English Hawthorn) -- ht 15-25'; sp 18'
Crataegus phaenopyrum (Washington Thorn) -- ht 15-25'; sp 15-20'
Cupaniopsis anacardioides (Carrotwood) -- ht 20-30'; sp 20'
Dodonea viscosa 'Purpurea' (Purple Hopseed Tree) -- ht 15-20'; sp 15'
Eriobotrya deflexa (Bronze Loquat) -- ht 20-30'; sp 20'
Eucalyptus ficifolia (Red Flowering Gum) -- ht 30-45'; sp 20'
Eucalyptus polyanthemos (Silver Dollar Gum) -- ht 30-40'; sp 20'
Fraxinus oxycarpa (Raywood Ash) -- ht 30-40'; sp 20'
Geijera parviflora (Australian Willow) -- ht 20-30'; sp 20'
Ginkgo biloba (Maidenhair Tree) -- ht 35-45'; sp 25-40'
Gleditsia triacanthos 'Shademaster' (Honey Locust) ht 20-35'; sp 20'
Hymenosporum flavum (Sweetshade) -- ht 25-35'; sp 15'
Jacaranda mimosifolia (Jacaranda) -- ht 20-35'; sp 15-25'
Koelreuteria paniculata (Golden Rain Tree) -- ht 20-30'; sp 15'
Laurus nobilis (Sweet Bay) -- ht 15-30'; sp 20'
Leptospermum laevigatum (Tea Tree) -- ht 15-30'; sp 20'
Ligustrum lucidum (Glossy Privet) -- ht 25-35'; sp 25'
Liquidambar styraciflua (American Sweet Gum) -- ht 30-465'; sp 25'
Lyonathamnus floribundus asplenifolius (Fernleaf Catalina Ironwood) -- ht
25-35' sp. 20'
Magnolia grandiflora (Southern Magnolia) --ht variable by cultivar
Maytenus boaria (Mayten) -- ht 25-35'; sp 25'
Melaleuca ericifolia (Heath Melaleuca) -- ht 15-25'; sp 20'
Melaleuca linariifolia (Flaxleaf Paperbark) -- ht 25-35'; sp 25'
Melaleuca quinquenervia (Cajeput Tree) -- ht 25-35'; sp 20'
Metrosideros excelsus (New Zealand Christmas Tree) -- ht 25-35'; sp 25'
Michelia doltsopa (Michelia) -- ht 15-25'; sp 20'
Olea europea (Olive) -- ht 25-35'; sp 25'
Photinia fraseri (Chinese Photinia) -- ht 15-20'; sp 15'
Pistacia chinensis (Chinese Pistache) -- ht 20-30'; sp 20'
Pittosporum undulataum (Victorian Box) -- ht 25-40'; sp 20'
Platanus x acerifolia 'Yarwood' (London Plane Tree) -- ht 30-50'; sp 30'
Podocarpus gracilior (Fern Pine) -- ht 25-35'; sp 20'
Prunus cerasifera 'Krauter Vesuvius' (Purple Leaf Plum) -- ht 20-25'; sp 15'
Prunus serrulata 'Kwanzan' (Flowering Cherry) -- ht 15-25'; sp 15'
Pyrus calleryana 'Aristocrat' (Callery Pear) -- ht 25-35'; sp 20'
Pyrus kawakamii (Evergreen Pear) -- ht 15-25'; sp 20'
Rhamnus alaternus (Italian Buckthorn) -- ht 20-35'; sp 20'
Rhaphiolepis 'Majestic Beauty' (Indian Hawthorn) -- ht 15-25'; sp 15'
Schinus terebinthifolius (Brazilian Pepper Tree) -- ht 25'35'; sp 25'
Trachycarpus fortunei (Windmill Palm) -- ht 25-35; sp 10'
Tristania conferta (Brisbane Box) -- ht 35-60'; sp 25'
Tristania laurina (Small-Leaf Tristania) ht 15-25'; sp 15'
Ulmus parvifolia 'Drake' (Chinese Elm) -- ht 25-35'; sp 20'

So, no almonds, but a nice selection nonetheless.

cheers
Laurel

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For the Cherub Cat is a term of the Angel Tiger.
   -- Christopher Smart
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