Approved Street Trees
All trees shall be healthy grown nursery stock, be a minimum of 1-1/2 inch caliper at 6 inches above ground level, and be at least 8-10 feet high. All trees shall have a single straight trunk, a well- developed leader with tops and roots characteristic of the species cultivar or variety. All trees must be free of insects, diseases, mechanical injury, and other objectionable features when planted.
Bare root stock shall leave a root system sufficient to insure survival and healthy growth. Balled and burlap (B&B) stock shall leave a natural sound ball sufficient to insure survival and healthy growth. All trees that are grafted are to be grafted at a minimum height of 7 inches above ground level.
Street Trees
- Trees permitted in minimum 3-foot planting area with no overhead utility wire conditions:
- Cherry, Columnar Sargent Flowering - Prunus sargentii 'Columnaris'
- Dogwood, Cornelian Cherry - Cornus mas
- Dogwood, Eastern - Cornus florida
- Dogwood, Kousa - Cornus kousa chinesis
- Hornbeam, Pyramidal European - Carpinus betulus 'Fastigiata'
- Maple, Norwegian Sunset - Acer truncatum x A. platanoides 'Keithsform'
- Maple, Pacific Sunset - Acer truncatum x A. platanoides 'Warrenred'
- Oak, Skyrocket English - Quercus robur 'Fastigiata'
- Pear, Aristocrat Flowering - Pyrus calleryana 'Aristocrat'
- Pear, Autumn Blaze Flowering - Pyrus calleryana 'Chanticleer'
- Pear, Capital Flowering - Pyrus calleryana 'Capital'
- Pear, Princess Flowering - Pyrus calleryana 'Princess'
- Pear, Redspire Flowering - Pyrus calleryana 'Princess'
- Plum, Krauter's Vesuvius Flowering - Prunus cerasifera 'Krauter's Vesuvius'
- Plum, Newport Flowering - Prunus cerasifera 'Newport'
- Plum, Thundercloud Flowering - Prunus cerasifera 'Thundercloud'
- Trees permitted in minimum 4-foot planting area where no overhead utility wire conditions exist:
- Ash, Flowering - Fraxinus ornus
- Ash, Globe European - Fraxinus excelsior 'Globosum'
- Ash, Golden Desert - Fraxinus oxycarpa aureafolia 'Golden Desert'
- Cherry, Shubert Select Flowering or Canada Red Chokecherry - Prunus virginiana 'Shubert'
- Cherry, Yoshino Flowering - Prunus x yedoensis
- Chokecherry, Red Canada or Shubert Select Flowering - Prunus virginiana 'Shubert'
- Crabapple, Profusion - Malus 'Profusion'
- Crabapple, Red Baron - Malus 'Red Baron'
- Crabapple, Royalty - Malus 'Royalty'
- Crabapple, Spring Snow - Malus 'Spring Snow'
- Crabapple, Sugar Tymne - Malus 'Sugar Tyme'
- Ginkgo, Mayfield - Ginkgobiloba 'Mayfield'
- Glorybower, Harlequin - Clerondendrum trichotomum
- Goldenrain - Koelreuteria paniculata
- Goldenrain, Columnar - Koelreuteria paniculata 'Fastigiata'
- Hawthorn, Columnar - Crataegus monogyna 'Stricta'
- Hawthorn, Lavalle - Crataegus x lavallei
- Hawthorn, Washington - Crategus phaenopyrum
- Lilac, Japanese Tree - Syringa reticulata
- Maple, Crimson Sentry Norway - Acer platanoides 'Crimson Sentry'
- Maple, Doric Red - Acer rubrum 'Doric'
- Maple, English Hedge - Acer campestre
- Maple, Flame Amur - Acer ginnala 'Flame'
- Maple, Globe Norway - Acer platanoides 'Globosum'
- Maple, Paperbark - Acer griseum
- Maple, Tatarian - Acer tataricum
- Olive, Russian - Elaeagnus angustifolia
- Pear, Chanticleer Flowering - Pyrus calleryana 'Chanticleer'
- Pear, Cleveland Select Flowering - Pyrus calleryana 'Cleveland Select'
- Pear, Trinity Flowering - Pyrus calleryana 'Trinity'
- Redbud, Eastern - Cercis canadensis
- Serviceberry, Cumulus - Amelanchier laevis x grandiflora 'Cumulus'
- Serviceberry, Pyramidal Shadblow - Amelanchier canadensis 'Pyramidalis'
- Serviceberry, Robin Hill Apple - Amelanchier x grandiflora 'Robin Hill'
- Snowbell, Japanese - Styrax japonica
- Trees permitted in minimum 6-foot planting area with no overhead utility wire conditions:
- Ash, Flame - Fraxinus osycarpa 'Flame'
- Ash, Raywood - Fraxinus osycarpa 'Raywood'
- Beech, Tricolor European - Fagus sylvatica 'Purpurea Tricolor'
- Ginkgo - Ginkgo biloba
- Ginkgo, Autumn Gold - Ginkgo biloba 'Autumn Gold'
- Ginkgo, Fairmont - Ginkgo biloba 'Fairmont'
- Ginkgo, Princeton Sentry - Ginkgo biloba 'Princeton Sentry'
- Ginkgo, Shangri-la - Ginkgo biloba 'Shangri-la'
- Honeylocust, Skyline - Gleditsia triacanthos 'Skyline'
- Horsechestnut, Briotii Red - Aesculus x carnea 'Briotii'
- Horsechestnut, Ruby Red - Aesculus x carnea 'Ruby Red'
- Katsura - Cericidiphyllum Japonicum
- Linden, DeGroot Littleleaf - Tilia cordata 'DeGroot'
- Linden, Glenleven Littleleaf - Tilia cordata 'Glenleven'
- Linden, Redmond Crimean - Tilia cordata 'Greenspire'
- Locust, Globe - Robinia pseudocacia 'Umbraculifera'
- Magnolia, Southern - Magnolia grandiflora
- Maple, Armstrong - Acer x freemanii 'Armstrong'
- Maple, Bowhall Red - Acer rubrum 'Bowhall'
- Maple, Cavalier Norway - Acer platanoides 'Cavalier'
- Maple, Columnar Norway - Acer platanoides 'Columnare'
- Maple, Crimson King Norway - Acer platanoides 'Crimson King'
- Maple, Green Mountain Sugar - Acer saccharum 'Green Mountain'
- Maple, Greencolumn Black - Acer nigrum 'Greencolumn'
- Maple, Karpick Red - Acer rubrum 'Karpick'
- Maple, Legacy Sugar - Acer saccharum 'Legacy'
- Maple, Parkway Norway - Acer platanoides 'Columnarbroad'
- Maple, Scanlon Red - Acer rubrum 'Scanlon'
- Oak, Skymaster English -Quercus robur 'Pyramich'
- Pagoda Tree, Regent Japanese - Sophora japonica 'Regent'
- Stewartia, Japanese - Stewartia pseudocamellia
- Tuliptree, Arnold - Liriodendron tulipfera 'Fastigiatum'
- Trees permitted in minimum 8-foot planting area with no overhead utility wire conditions:
- Ash, Autumn Applause White - Fraxinus americana 'Autumn Applause'
- Ash, Autumn Purple White - Fraxinus americana 'Autumn Purple'
- Ash, Bergeson Green - Fraxinus pennslyvanica 'Bergeson'
- Ash, Patmore Green - Fraxinus pennsylvanica 'Patmore'
- Ash, Summit Green - Fraxinus pennsylvanica 'Summit'
- Birch, Jacquemontii - Betula jacquemontii
- Birch, River - Betula nigra
- Blackgum, Sourgum, or Black Tupelo - Nyssa sylvatica
- Coffeetree, Kentucky - Gymnocladus dioicus
- Cork Tree, Amur - Phellodendron amurense
- Elm, Chinese or Lacebark Elm - Ulmus parvifolia
- Elm, Homestead - Ulmus 'Homestead'
- Elm, Lacebark or Chinese Elm - Ulmus parvifolia
- Filbert, Turkish - Corylus
- Hackberry, Common - Celtis occidentalis
- Hophornbeam, American - Ostrya virginiana
- Linden, Green Mountain Silver - Tilia tomentosa 'Green Mountain'
- Linden, Redmond - Tilia americana 'Redmond'
- Linden, Redmond Crimean - Tilia euchlora 'Redmond'
- Linden, Sterling Silver - Tilia tomentosa 'Sterling'
- Maple, Arrowhead Sugar - Acer saccharum 'Arrowhead'
- Maple, Autumn Blaze - Acer rubrum x A. saccharinum 'Autumn Blaze'
- Maple, Autumn Flame Red - Acer rubrum 'Autumn Flame'
- Maple, Celebration - Acer x freemanii 'Celzam'
- Maple, Cleveland Norway - Acer platanoides 'Cleveland'
- Maple, Emerald Queen Norway - Acer platanoides 'Emerald Queen'
- Maple, October Glory Red - Acer rubrum 'October Glory'
- Maple, Red Sunset Red - Acer rubrum 'Red Sunset'
- Maple, Schwedleri Norway - Acer platanoides 'Schwedleri'
- Maple, Spaethii Sycamore - Acer pseudoplatanus 'Atropurpureum'
- Maple, Superform Norway - Acer platanoides 'Superform'
- Mulberry, Kingan Fruitless - Morus alba 'Kingan'
- Oak, Burr - Quercus macrocarpa
- Oak, English - Quercus robur
- Oak, Forest Green Hungarian or Italian - Quercus frainetto 'Schmidt'
- Oak, Northern Red - Quercus rubra
- Oak, Pin - Quercus palustris
- Oak, Sawtooth -Quercus acutissima
- Oak, Scarlet - Quercus coccinea
- Oak, Shingle - Quercus imbricaria
- Oak, Shumard - Quercus shumardii
- Oak, Swamp White - Quercus bicolor
- Oak, Westminster Globe - Quercus robur 'Michround'
- Poplar, Yellow or Tuiliptree - Liriodendron tulipifera
- Rubber Tree, Hardy - Eucommia ulmoides
- Sourgum, Black Tupelo, or Blackgum - Nyssa sylvatica
- Sweetgum - Liquidambar sturaciflua
- Sweetgum, Festival - Liquidambar styraciflua 'Festival'
- Sweetgum, Golden - Liquidambar styraciflua aurea 'Golden'
- Tuliptree or Yellow Poplar - Liriodendron tulipifera
- Tupelo, Black, Blackgum or Sourgum - Nyssa sylvatica
- Yellow Wood - Cladrastis kentuckia
- Zelkova, Green Vase - Zelkova serrata 'Green Vase'
- Zelkova, Village Green - Zelkova serrata 'Village Green'
- Trees permitted by PGE and City of Beaverton for use under power wires:
- Amur Maple - Acer ginnala
- Hedge Maple - Acer campstre
- Paper Bark Maple - Acer griseum
- Apple Service Berry - Amelanchier
- Shadblow Servicel Berry - Amelanchier canadensis
- Eastern Redbud - Cercis canadensis
- Glorybower - Clerodendrum trichotomum
- Flowering Dogwood - Cornus florida
- Japanese Dogwood - Cornus kousa
- Washington Hawthorn - Crataegue phaenopyrum
- Lauelle Hawthorn - Crataegus x lavallei
- Globe-Headed Europeon Ash - Fraxinus excelsior globosum
- Flowering Ash - Fraxinus ornus
- Golden Desert Ash - Fraxinus oxycarpa aureopolia
- Golden Rain Tree - Koelreuteria paniculata
- Golden Chain Tree - Laburnum x waterii
- Flowering Crabapple - 'Spring snow' or 'indian magic' - malus
- Flowering Cherry - 'Mt. fugi' - prunus
- Flowering Pear - 'Cleveland select' - pyrus calleryana
- Japanese Snowball - Styrax japonia