Ainsworth Linear Arbortetum

The NE Ainsworth Linear Arboretum is unique among U.S. arboretums. It spans actual city blocks and is composed of street and yard trees. In the arboretum you can view 60 different species of city trees within walking or bicycling distance of each other.

Many of the arboretum’s trees were planted by Friends of Trees, others were planted by individual residents or the city of Portland. Longtime Friends of Trees volunteer Jim Gersbach, a resident of the Concordia neighborhood, conceived the idea of the linear arboretum.

The arboretum extends along two miles of NE Ainsworth St., from NE ML King Jr. Blvd. to Fernhill Park. Below is a list of the trees and their addresses. Some species are repeated because the same species has been planted at more than one location.

COMMON NAME SCIENTIFIC NAME PHYSICAL LOCATION
Green Ash Fraxinus pennsylvanica 500 Block of NE Ainsworth
Bloodgood Sycamore Platanus x acerifolia ‘Bloodgood’ NE Ainsworth median across from 620 NE Ainsworth
Sugar Maple Acer saccharum NE Ainsworth median across from 636 NE Ainsworth
Horse Chestnut Aesculus hippocastanum 649 NE Ainsworth
Paperbark Maple Acer griseum 710 NE Ainsworth
Bamboo-leaf Oak/Chinese Evergreen Oak Quercus myrsinifolia 710 NE Ainsworth
Bur Oak Quercus macrocarpa NE Ainsworth median across from 741 NE Ainsworth
Queen Elizabeth Hedge Maple Acer campestre ‘Evelyn’ 842 NE Ainsworth
Tatarian Maple Acer tataricum 842 NE Ainsworth
Goldenrain Tree (two) Koelreuteria paniculata 842 NE Ainsworth
Village Green Zelkova Zelkova serrata ‘Village Green’ 876 NE Ainsworth
June Snow Dogwood Cornus controversa ‘June Snow’ 876 NE Ainsworth
Magyar Ginkgo Ginkgo biloba ‘Magyar’ 879 NE Ainsworth
Tulip Tree Liriodendron tulipfera ‘Aureamarginatum’ Median between 8th and 9th avenues
Hedge Maple Acer campestre 924 NE Ainsworth
Paperbark Maple Acer griseum 941 NE Ainsworth
Green Vase Zelkova Zelkova serrata ‘Green Vase’ NE Ainsworth median between 10th & 11th streets (easternmost tree & fourth tree from east)
Japanese Pagodatree Sophora japonica ‘Regent’ NE Ainsworth median between 10th & 11th (third from east)
Black Tupelo Nyssa sylvatica NE Ainsworth median between 10th & 11th (fifth from east)
Asian Persimmon Diospyros kaki ‘Fuyu’ 1134 NE Ainsworth
American Hornbeam Carpinus caroliniana 1134 NE Ainsworth
American Hophornbeam Ostrya virginiana 1204 NE 12th St.
Dynasty Crape Myrtle (two) Lagerstroemia ‘Dynasty’ 1204 NE 12th St.
Edith Bogue Magnolia Magnolia grandiflora ‘Edith Bogue’ 1306 NE Ainsworth
Japanese Hornbeam (two) Carpinus japonica 1314 NE Ainsworth
Oregon White Oak Quercus garryana 1329 NE Ainsworth
Elizabeth Magnolia Magnolia ‘Elizabeth’ 1406 NE Ainsworth
Chinese Fringetree Chionanthus retusus 1406 NE Ainsworth
Persian Ironwood Parrotia persica 1406 NE Ainsworth
Lavalle Hawthorn Crataegus x lavallei 1426 NE Ainsworth
Fairview Flame  Red Maple (two) Acer rubrum ‘Fairview Flame’ 1506-1524 NE Ainsworth
Fragrant Snowbell Styrax obassia 1524 NE Ainsworth
Deodar Cedar* Cedrus deodara 1636 NE Ainsworth
Eastern Redbud Cercis canadensis 1715 NE Ainsworth
Katsura Cercidiphyllum japonicum 1735 NE Ainsworth
Hackberry Celtis occidentalis NE Ainsworth median between 17th & 18th (easternmost tree)
Green Vase Zelkova Zelkova serrata ‘Green Vase’ NE Ainsworth median between 17th & 18th (westernmost tree)
Northern Catalpa Catalpa speciosa 2737 NE Ainsworth
Kentucky Coffee Tree Gymnocladus dioicus 5953 NE 18th Ave.
Snow Gum* Eucalyptus pauciflora ssp. niphophila 1804 NE Ainsworth
Saucer Magnolia Magnolia x soulangiana 1814 NE Ainsworth
Korean Mountain Ash Sorbus alnifolia 5949 NE 19th St.
Edith Bogue Magnolia Magnolia grandiflora 1837 NE Ainsworth
Tulip Tree Liriodendron tulipifera 1929 NE Ainsworth
Umbrella Pine Sciadopitys verticillata 2000 block of NE Ainsworth
Evergreen Dogwood Cornus capitata NE Ainsworth median across from 2005 NE Ainsworth
American Yellowwood Cladrastis kentukea Alberta Park
Sweet Gum Tree Liquidambar styraciflua 2207 NE Ainsworth
Yellow Fever Magnolia (two) Magnolia x acuminata ‘Yellow Fever’ 2306 NE Ainsworth
Coast Redwood* Sequoia sempervirens 2306 NE Ainsworth
Kentucky Coffee Tree Gymnocladus dioicus 2337 NE Ainsworth
Mountain Silverbells Halesia monticola NE Ainsworth & 24th St.
Atlas Cedar* Cedrus libani ssp. atlantica 2406 NE Ainsworth
Chinese Dogwood Cornus kousa 2417 NE Ainsworth
Persian Ironwood Parrotia persica 2516 NE Ainsworth
Purple Catalpa Catalpa x erubescens ‘Purpurea’ 2519 NE Ainsworth
Kentucky Coffee Tree Gymnocladus dioicus 2529 NE Ainsworth
Rivers Purple Beech Fagus sylvatica ‘Riversii’ 2617 NE Ainsworth
Edith Bogue Magnolia Magnolia grandiflora 2711 NE Ainsworth
Japanese Pagodatree Sophora japonica ‘Regent’ NE Ainsworth median between 27th & 28th (fourth from east)
Hackberry Celtis occidentalis NE Ainsworth median between 27th & 28th (second from east)
Sweet Gum Tree Liquidambar styraciflua 2815 NE Ainsworth
Sweet Gum Tree Liquidambar styraciflua 2835 NE Ainsworth
Oregon White Oak* Quercus garryana 2835 NE Ainsworth
American Smoketree Cotinus obovatus 2908 NE Ainsworth
Snowbell Styrax hemsleyanus 2908 NE Ainsworth
Chinese Pistache Pistacia chinensis 2908 NE Ainsworth
Katsura Cercidiphyllum japonicum 2941 NE Ainsworth
Japanese Stewartia (three) Stewartia pseudocamellia 3002 NE Ainsworth
Scarlet Oak Quercus coccinea 3027 NE Ainsworth
Yellow Fever Magnolia Magnolia x acuminata ‘Yellow Fever’ 3036 NE Ainsworth
Sterling Silver Linden Tilia tomentosa ‘Sterling’ 3041 NE Ainsworth
Magyar Ginkgo Ginkgo biloba ‘Magyar’ NE Ainsworth & 31st St.
American Yellowwood Cladrastis kentuckea NE Ainsworth & 31st St.
Village Green Zelkova (two) Zelkova serrata ‘Village Green’ NE Ainsworth & 31st St.
Frontier Elm Ulmus ‘Frontier’ NE Ainsworth & 31st St.
Rivers Purple Beech Fagus sylvatica ‘Riversii’ NE Ainsworth & 31st St.
Black Tupelo Nyssa sylvatica NE Ainsworth & 31st St.
American Hornbeam Carpinus caroliniana 3116 NE Ainsworth
Chilean Beech/Roble (two) Nothofagus obliqua Between 32nd Ave. & 32nd Pl.
Yellow Fever Magnolia (two) Magnolia x acuminata ‘Yellow Fever’ 5955 NE 32nd St.
Sweetgum Tree Liquidambar styraciflua 3217 NE Ainsworth
Deodar Cedar* Cedrus deodara 3236 NE Ainsworth
Shademaster Honeylocust Gleditsia triacanthos NE Ainsworth & 32nd St.
Atlas Cedar* Cedrus libanii ssp. atlantica 3267 NE Ainsworth
Japanese Pagodatree Sophora japonica ‘Regent’ NE Ainsworth median between 32nd St. & 32nd Pl. (fourth tree from east)
Hackberry Celtis occidentalis NE Ainsworth median between 32nd & 33rd (easternmost tree)
Trident Maple (four) Acer buergerianum 6002 NE 33rd St. at
NE Ainsworth
Black Tupelo Nyssa sylvatica 6002 NE 33rd St. at
NE Ainsworth
Green Vase Zelkova (three) Zelkova serrata ‘Green Vase’ 3436 NE Ainsworth
Dove Tree Davidia involucrata Corner of NE Ainsworth
& 35th Pl.
Natchez Crapemyrtle Lagerstroemia x fauriei ‘Natchez’ 3576 NE Ainsworth
June Snow Dogwood (two) Cornus controversa 3602 NE Ainsworth
Sweetgum Tree Liquidambar styraciflua 3624 NE Ainsworth
Tricolor European Beech Fagus sylvatica ‘Roseomarginata’ 3627 NE Ainsworth
June Snow Dogwood Cornus controversa ‘June Snow’ N side of Ainsworth, between NE 36th & NE 37th
Kentucky Coffee Tree Gymnocladus dioica 5953 NE Ainsworth
Yellow Fever Magnolia (two) Magnolia x acuminata ‘Yellow Fever’ 5955 NE Ainsworth
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One Response to Ainsworth Linear Arbortetum

  1. kris says:

    what a great community resource! nice work concordia tree team!

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