Approved Trees

Planting Widths of 3-5 feet

Chitalpa Chitalpa x tashkentensis (tree form)
Crabapple Malus spp. (fireblight-resistant varieties)
Golden Rain Tree Koelreuteria paniculata
Hawthorn Crataegus spp. (thornless and flowering)
Hop Hornbeam Ostrya virginiana
Lilac, Chinese Syringa pekinensis
Lilac, Japanese Syringa reticulata
Maackia Maackia amurensis
Maple, Amur Acer ginnala (tree form)
Maple, Hedge Acer campestre
Maple, Tatarian Acer tataricum (tree form)
Redbud, Eastern Cercis canadensis
Serviceberry Amelanchier x grandifolia (‘Autumn Brilliance’)
Zelkova Zelkova serrata (‘City Sprite’ or ‘Wireless’)

Planting Widths of 5.5-10 feet

Elm, Lace Bark Ulmus parvifolia
Filbert, Turkish Corylus colurna
Ginkgo Ginkgo biloba
Hackberry, Common Celtis occidentalis
Honey Locust Gleditsia triacanthos (thornless varieties)
Hornbeam, European Carpinus betulus (Fastigiata)
Kentucky Coffeetree Gymnocladus dioicus (fruitless)
Maple, Manitoba (Boxelder) Acer negundo (‘Sensation’)
Maple, Sycamore Acer pseudoplatanus
Maple, Sunset Series Acer truncatum x platanoides (Norwegian Sunset, Urban Sunset)
Oak, Swamp White Quercus bicolor
Oak, Northern Pin Quercus ellipsoidalis
Oak, English Quercus robur
Oak, Northern Red Quercus rubra
Osage-Orange Maclura pomifera (‘White Shield’)
Persian Parrotia Parrotia persica
Linden, Littleleaf Tilia cordata
Linden, Crimean Tilia euchlora
Linden, Silver Tilia tomentosa
Zelkova Zelkova serrata (‘Musashino,’ ‘Green Vase,’ or ‘Village Green’)

Planting Widths of 10+ feet (i.e. open space)

Beech, European Fagus sylvatica
Buckeye Aesculus glabra
Catalpa, Northern Catalpa speciosa
Dogwood, Cornelian Cherry Cornus mas
Elm, American Ulmus americana (Dutch elm disease resistant varieties)
Elm Hybrids Ulmus spp. (‘Frontier’ and ‘Accolade’)
Hackberry, Netleaf Celtis reticulata
Horsechestnut, Red Aesculus x carnea
Japanese Pagoda Sophora japonica
Linden, American Tilia americana
Maple, State Street Acer miyabei
Mimosa Albizia julibrissin
Mulberry, White Morus alba (fruitless)
Mulberry, Red Morus rubra (fruitless)
Oak, Bur Quercus macrocarpa
Oak, Chinkapin Quercus muehlenbergii
Oak, Shumard Quercus shumardii
Oak, Turkey Quercus cerris
Oak, White Quercus alba
Sycamore Platanus x acerifolia (‘London Plane Tree’)
Tuliptree Liriodendron tulipifera
Yellowwood Cladrastis kentuckea

Conifers: Best in Groupings At Entrances to Developments, Open Spaces, and in Non-Traditional Parking Strips At Least 20 Feet Wide

Arborvitae Thuja orientalis
Bald Cypress Taxodium distichum
Cedar, Alaska Cupressus nootkatensis
Cedar, Blue Atlas Cedrus atlantica var. Glauca
Cedar, Deodar Cedrus deodara (‘Karl Fuchs’, ‘Kashmir’, ‘Shalimar’)
Cedar, Eastern Red Juniperus virginiana
Cedar, Incense Calocedrus decurrens
Juniper, Chinese Juniperus chinensis
Juniper, Rocky Mountain Juniperus scopulorum
Pine, Austrian Pinus nigra
Pine, Bosnian Pinus leucodermis (‘Heldrechii’)
Pine, Eastern White Pinus strobus
Pine, Limber Pinus flexilis (‘Vanderwolf’s Pyramid’)
Pine, Scotch Pinus sylvestris
Pine, Pinyon Pinus edulis
Sequoia, Giant Sequoiadendron giganteum

*Ash Fraxinus species
Aspen/Cottonwood/Poplar Populus species
Birch Betula species
Chinese Date Ziziphus jujube
*Elm, Siberian Ulmus pumila
Locust, Black Robinia species
Maple, Freeman Acer freemanii (‘Autumn Blaze’)
Maple, Silver Acer saccharinum
May Day Tree Prunus padus
Pear, Flowering Pyrus calleryana
Plum Prunus cerasifera
*Russian Olive Elaeagnus angustifolia
*Tree of Heaven Ailanthus altissima
Willow Salix species
All varieties of bearing fruit or nut trees
All conifer trees
All thorned trees

*=Prohibited from planting anywhere in city limits