APPROVED STREET TREES - Philadelphia

APPROVED STREET TREES

SMALL TREES FOR UNDER POWERLINES: Suggested Frequency When to plant
of Planting
NO GREATER THAN 30' TALL AT MATURITY Sparingly Spring, Fall
Sparingly Spring, Fall
Name Frequently Spring, Fall
Moderately Spring, Fall
Acer buergeranum -- Trident Maple Moderately Spring, Fall
Sparingly Spring, Fall
Acer tararicum -- Tatarian Maple Sparingly Spring, Fall
Sparingly Spring, Fall
Amelanchier x grandiflora -- Serviceberry Moderately Spring, Fall
Moderately Spring, Fall
Cercis canadensis -- Eastern Red Bud Moderately Spring, Fall
Chionanthus retusus (tree form) -- Chinese Moderately Spring, Fall
Fringetree Spring, Fall
Cornus mas -- Corneliancherry dogwood Moderately Spring, Fall
Sparingly Spring, Fall
Cornus officinalis -- Japanese Cornel Dogwood Sparingly Spring, Fall
Frequently
Cornus x rutban – Aurora Dogwood
Crataegus crus-galli var.‘Inermis’ --Thornless
cockspur hawthorn
Crataegus flava -- Yellowleaf Hawthorn

Crataegus laevigata "Superba" -- English
Hawthorn
Crataegus viridis -- Green Hawthorn

Crataegus x lavallei (tree form) --
Lavalle Hawthorn
Malus ‘Prairiefire’ -- ‘Prairiefire’ Crabapple

Malus ‘Sugar Tyme’ -- ‘Sugar Tyme’ Crabapple

Styrax japonicas --Japanese Snowbell

SMALL TREES: BETWEEN 20’-30' TALL AT MATURITY

Name Suggested Frequency When to plant
of Planting Spring, Fall
Acer buergeranum -- Trident Maple Spring, Fall
Sparingly
Acer campestre -- Hedge Maple Sparingly Spring, Fall
Sparingly Spring
Acer tararicum -- Tatarian Maple Sparingly Spring, Fall
Spring, Fall
Acer truncatum x Acer platanoides 'Warrenred' Frequently Spring, Fall
-- Pacific Sunset Maple Frequently Spring, Fall
Amelanchier x grandiflora -- Serviceberry Moderately Spring, Fall
Moderately Spring, Fall
Carpinus caroliniana -- American Hornbeam Spring, Fall
Sparingly Spring, Fall
Cercis canadensis -- Eastern Red Bud Sparingly Spring, Fall
Sparingly Spring, Fall
Chionanthus retusus (tree form) -- Chinese Moderately Spring, Fall
Fringetree Spring, Fall
Cornus mas -- Corneliancherry dogwood Moderately Spring, Fall
Moderately Spring, Fall
Cornus officinalis -- Japanese Cornel Dogwood Spring, Fall
Moderately
Cornus x rutban – Aurora Dogwood
Moderately
Crataegus crus-galli var.‘Inermis’ --Thornless
cockspur hawthorn Moderately
Crataegus flava -- Yellowleaf Hawthorn Moderately

Crataegus laevigata "Superba" -- English Moderately
Hawthorn
Crataegus punctata 'Ohio Pioneer' -- 'Ohio Sparingly
Pioneer' Hawthorn Sparingly
Crataegus phaenopyrum (tree form) --
Washington Hawthorn
Crataegus viridis -- Green Hawthorn

Crataegus viridis "Winter King" -- Winter King
Green Hawthorn
Crataegus x lavallei (tree form) -- Lavalle
Hawthorn
Malus × 'Harvest Gold' --'Harvest Gold'

Malus × 'Spring Snow' -- 'Spring Snow'
Crabapple

Prunus virginaina "Schubert" -- Canada Red Sparingly Spring

Chokecherry Sparingly Spring
Sparingly Spring, Fall
Prunus virginiana -- Common Chokecherry Sparingly Spring, Fall
Frequently Spring, Fall
Stewartia koreana -- Korean Stewartia Frequently Spring, Fall

Stewartia monadelpha -- Tall Stewartia Frequently Spring, Fall

Styrax japonicas --Japanese Snowbell

Syringa reticulata "Ivory Silk"-- Japanese Tree
Lilac
Syringa reticulata "Summer Snow" -- Japanese
Tree Lilac

MEDIUM TREES: 30'-40' TALL AT MATURITY

Name Suggested Frequency When to plant
of Planting
Acer truncatum -- Purpleblow Maple Spring, Fall
Sparingly Spring, Fall
Aesculus x carnea ‘Briotii -- Ruby Red Sparingly
horsechestnut Spring, Fall
Acer truncatum x Acer platanoides 'Keithsform' Sparingly
-- Norwegian Sunset Maple Spring
Carpinus betulus -- European Hornbeam Moderately Spring
Moderately
Carpinus betulus "Fastigiata" -- Upright Spring
European Hornbeam Moderately Spring, Fall
Cladrastis kentukea -- Yellowwood Sparingly Spring, Fall
Moderately
Corylus colurna -- Tree Filbert Spring, Fall
Sparingly Spring, Fall
Gleditsia triacanthos var. inermis -- Thornless Frequently Spring
Honeylocust Moderately
Koelreuteria paniculata -- Golden Rain Tree Spring, Fall
Moderately
Maackia amurensis -- Amur Maackia

Ostrya virginiana -- American Hophornbeam,
Ironwood
Parrotia persica (Tree form) -- Persian Parrotia

LARGE TREES: OVER 45' TALL AT MATURITY

Name Suggested Frequency When to plant
of Planting
Acer rubrum "Red Sunset" -- Red Sunset Red Spring, Fall
Maple Sparingly
Acer saccharum "Green Mountain" -- Green Spring, Fall
Mountain Sugar Maple Sparingly
Acer x freemani ‘Celebration’ -- 'Celebration' Spring, Fall
Hybrid Maple Sparingly
Acer x freeemani ‘Scarlet Sentinel’ -- 'Scarlet Spring, Fall
Sentinel’ Hybrid Maple Sparingly
Betula lenta – Black Birch Spring
Sparingly Spring, Fall
Spring, Fall
Celtis laevigata "All Seasons" -- Sugar Hackberry Sparingly Spring, Fall
Spring
Celtis laevigata "Magnifica" -- Sugar Hackberry Sparingly Spring, Fall
Spring
Celtis occidentalis- Common Hackberry Sparingly Spring
Spring, Fall
Cercidiphyllum japonicum -- Katsuratree Sparingly Spring, Fall

Eucommia ulmoides -- Hardy Rubber Tree Frequently Spring
Spring
Ginkgo biloba (male only) -- Maidenhair Tree Moderately Spring
Spring, Fall
Halesia tetraptera -- Carolina Silverbell Sparingly
Spring, Fall
Platanus occidentalis – London Planetree Moderately Spring, Fall

Platanus x acerifolia "Bloodgood" -- Bloodgood Moderately
London Planetree Moderately
Quercus imbricaria -- Shingle Oak

Quercus rubra -- Red Oak Sparingly

Quercus shumardii -- Shumard Oak Moderately

Ulmus Americana “Valley Forge”- American Elm Sparingly

“Valley Forge”- DED resistant tree

Ulmus parvifolia "Dynasty" -- Lacebark Elm Sparingly

Zelkova serrata "Green Vase" -- Zelkova Moderately

NARROW STREETS

Name Suggested Frequency When to plant
of Planting Spring, Fall
Acer x freemani ‘Celebration’ -- 'Celebration' Spring, Fall
Sparingly Spring, Fall
Hybrid Maple 50' tall 20' wide Sparingly Spring, Fall
Sparingly Spring
Acer x freeemani ‘Scarlet Sentinel’ -- 'Scarlet Sparingly Spring
Moderately Spring
Sentinel’ Hybrid Maple 40-45' tall 20-25' wide Moderately Spring
Sparingly Spring
Acer rubrum "Armstrong" -- Fastigiate Red Moderately Spring
Moderately Spring
Maple 50-60' tall 15-25' wide Sparingly Spring
Sparingly Spring
Acer saccharum "Goldspire"-- Goldspire Maple Sparingly Spring
Sparingly Spring
40' tall 10-15' wide Moderately Spring
Moderately
Carpinus betulus "Columnaris" -- Columnar Moderately

European Hornbeam 25' tall 10' wide

Carpinus betulus "Fastigiata" -- Upright

European Hornbeam 30' tall 20' wide

Fagus sylvatica ‘Fastigiata’-- Pyramidal Beech

60' tall 15' wide

Ginkgo biloba "Magyar" -- Magyar Upright

Ginkgo 50' tall 25' wide

Ginkgo biloba "Princeton Sentry"-- Princeton

Sentry Ginkgo 65' tall 15-20'wide

Koelreuteria paniculata ‘Fastigiata’ -- ‘Fastigiata’

Goldenraintree 30' tall 4-6' wide

Liriodendron tulipifera ‘Fastigiatum’ --

Columnar Tulip Tree 60' tall 20' wide

Prunus sargentii "Spire" -- Columnar Sargent

Cherry 25' tall 15' wide

Quercus palustris "Pringreen" -- Green Pillar Pin

Oak 45' tall 15' wide

Quercus robur "Fastigiata" -- Columnar English

Oak 50-60' tall 10-18' wide

Quercus robur x Q. alba ' Crimsmidt' -- Crimson

Spire Oak 45' tall 15' wide

Quercus x warei 'Long' Regal Prince -- Regal

Prince Oak 40-60' tall 20-25' wide

BOULEVARD TREES AND INNER PARK TREES

Name Suggested Frequency When to plant
of Planting
Aesculus hippocastanum- Horsechestnut Spring, Fall
Sparingly Spring, Fall
Aesculus flava -- Yellow Buckeye Sparingly Spring
Sparingly Spring
Betula nigra "Heritage" -- Heritage River Birch Sparingly Spring
Sparingly Spring, Fall
Carya glabra -- Pignut Hickory Moderately
Spring, Fall
Carya ovata -- Shagbark Hickory Frequently
Spring, Fall
Cryptomeria japonica "Yoshino" -- Yoshino Frequently
Crytomeria Spring
Gymnocladus dioicus (male variety only) -- Moderately Spring
Kentucky Coffeetree Moderately Spring, Fall
Juniperus virginiana "Princeton Sentry" -- Moderately
Eastern Redcedar Spring
Liquidambar styraciflua -- American Sweetgum Moderately Spring, Fall
Moderately Spring, Fall
Liriodendron tulipifera -- Tuliptree Moderately
Spring
Metasequoia glyptostroboides -- Dawn Sparingly Spring
Redwood Moderately Spring
Nyssa sylvatica -- Black Tupelo Sparingly Spring
Moderately Spring
Platanus occidentalis – London Planetree Sparingly Spring
Moderately Spring
Platanus x acerifolia "Bloodgood" -- Bloodgood Moderately Spring
London Planetree Sparingly Spring
Quercus alba -- White Oak Moderately Spring
Sparingly
Quercus bicolor -- Swamp White Oak

Quercus coccinea -- Scarlet Oak

Quercus imbricaria -- Shingle Oak

Quercus lyrata -- Overcup Oak

Quercus macrocarpa -- Bur Oak

Quercus muehlenbergii -- Chinkapin Oak

Quercus palustris -- Pin Oak

Quercus phellos -- Willow Oak

Quercus prinus -- Chestnut Oak

Quercus robur -- English Oak Moderately Spring
Sparingly Spring
Quercus rubra -- Red Oak Moderately Spring
Moderately Spring
Quercus shumardii -- Shumard Oak Moderately Spring

Taxodium distichum -- Common Baldcypress Moderately Spring, Fall

Taxodium distichum var. imbricatum -- Pond Moderately Spring, Fall
Cypress
Tilia americana 'Redmond' -- 'Redmond' Sparingly Spring, Fall
American linden
Tilia tomentosa 'Sterling' -- 'Sterling' Silver Sparingly Spring, Fall
Linden
Ulmus americana "Delaware" -- "Delaware"
American Elm
Ulmus Americana “New Harmony”- “New
Harmony” American Elm

The above list represents recommended and/or approved species, and is not meant to be all-
inclusive.