A.   Nonacceptable Planting Stock Species: The following species are considered to be inappropriate and unsuitable for planting on parking strips and street tree sites:
All species of poplars (including Fremont, Lombardy, Bolleanna, silver leaf, aspen, Carolina balm-of-Gilead and any other variety of cottonwood).
All varieties of conifers (including spruce, fir, pine, juniper, arborvitae and yew).
All varieties of standard fruit bearing trees (including apple, pear, plum, peach and cherry). This does not include ornamental tree varieties.
All varieties of willows (salix species).
Black locust
Robina nigra
Box elder
Acer negundo
Moraine ash
Fraxinus "moraine"
Russian olive
Eleagnus angustifolia
Siberian elm
Ulmus pumila
Silver maple
Acer saccharinum
Tree of heaven
Ailanthus altissima
Umbrella catalpa
Catalpa speciosa
   B.   Acceptable, But Not Recommended Planting Stock Species: The following species are acceptable, but due to insect and disease problems or litter mess associated with the tree they are not recommended for use as park/street trees. In addition, some of the trees listed already compose over ten percent (10%) of the Ogden City urban forest species composition and provide an unnecessary risk to the urban forest. Trees that represent over ten percent (10%) will remain in this category until their populations are more evenly balanced with other species in the urban forest. Cultivars and species of these trees are annotated in the approved street tree list with a (*) to signify they belong in this category.
All species and varieties of elms (including America, Chinese, pioneer and liberty)
All varieties of lindens (tilia species)
All varieties of locust (robinia and gleditsia species)
All varieties of maples (acer species)
All varieties of nut bearing trees (including walnut, pecan, hickory and almond)
Most varieties of ash (fraxinus species); does not include bore resistant varieties
Horse chestnut
Aesculus hippocastanum
Ohio buckeye
Aesculus glabra
Platanus occidentalis
Western catalpa
Catalpa speciosa
   C.   Approved Street Tree Species: Only desirable, long lived tree species of good appearance, beauty, adaptability, and generally free from injury, insect, or disease shall be acceptable for tree plantings. Undesirable trees shall not be recommended for general planting and their use, if any, shall be restricted to special locations where, because of certain characteristics of adaptability or landscape effect, they can be used to an advantage. The asterisk (*) indicates trees that are approved but not recommended for street tree planting. Below are the approved lists of tree species, cultivars, and/or varieties acceptable for plantings:
      1.   Parking/Planting Strip Width Three Feet Or Less (Acceptable Species): All shrubs and trees in these areas are approved on a case by case basis as recommended by the urban forester depending upon individual site characteristics and circumstances.
      2.   Parking/Planting Strip Width Three Feet To Five Feet (Acceptable Species): As recommended by the urban forester, parking strips of this size will be classified by the appropriate rating of small tree species. These tree species will be the species class used in all small parking strips and also where medium and large parking strips have overhead utilities that inhibit the use of larger tree species. Acceptable trees in the small tree category are listed below:
Amur maple*
Acer ginnala
Aristocrat pear
Pyrus calleryana "aristocrat"
Autumn blaze pear
Pyrus calleryana "autumn blaze"
Autumn brilliance serviceberry
Amelanchier x grandiflora
Big tooth maple*
Acer grandidentatum
Capital pear*
Pyrus calleryana "capital"
Chanticleer pear*
Pyrus calleryana "chanticleer"
Chinese dogwood
Cornus kousa "chineusis"
Prunus virginiana
Columnar sargent cherry
Prunus sargentii "columnaris"
American beauty crabapple*
Malus "American beauty"
Bechtel crabapple*
Malus "ioensis"
Brandy wine crabapple
Malus "brandy wine"
Candied apple crabapple*
Malus "candied apple"
Centurion crabapple*
Malus "centurion"
Dolgo crabapple*
Malus x "dolgo"
Dorothea crabapple*
Malus x "Dorothea"
Eley crabapple
Malus purpurea "eley"
Hopa crabapple*
Malus x "hopa"
Japanese flowering crabapple
Malus floribunda
Klehm's improved bechtel crab*
Malus ioensus "Klehm's improved bechtel"
Radiant crabapple*
Malus x radiant
Redbud crabapple*
Malus x zumi "calocarpa"
Sargent crabapple
Malus "sargent crabapple"
Snow cloud crabapple
Malus "snow cloud"
Snowdrift crabapple*
Malus x "snowdrift"
Spring snow crabapple
Malus "spring snow"
White cascade crabapple*
Malus "white cascade"
Crape myrtle*
Lagerstroemia indica
Cumulus serviceberry
Amelanchier laevis "cumulus", tree form
Eastern redbud
Cercis canadensis
English hawthorn*
Crataegus laevigata
Gambel oak
Quercus gambellii
Globe Norway maple*
Acer platanoides "globosum"
Glossy privet
Ligustrum lucidum
Golden rain tree
Koelreuteria paniculata
Imperial honeylocust*
Gleditsia triacanthos "Imperial"
Krauter Vesuvius plum
Prunus cerasifera "Krauter Vesuvius"
Kwanzan Japanese flowering cherry
Prunus serrulata "Kwanzan"
Lavalle hawthorn
Crataegus x lavallei
Eriobotrya japonica
Majestic serviceberry
Amelanchier laevis "majestic", tree form
May day tree
Prunus padus var commutata
Mt. Fuji flowering cherry
Prunus serrulata "shirotae"
Mt. Saint Helens flowering plum
Prunus cerasifera "Mt. Saint Helens"
New Mexico locust
Robinia neomexicana
Newport flowering plum
Prunus cerasifera
Pagoda dogwood
Cornus alternifolia
Paper bark maple*
Acer griseum
Princess Diana serviceberry
Amelanchier x grandiflora "Princess Diana", tree form
Red leaf chokecherry
Prunus virginiana "Shubert"
Redspire pear
Pyrus calleryana "redspire"
Robin Hill serviceberry
Amelanchier x grandiflora "Robin Hill", tree form
Rocky Mountain maple*
Acer glabrum
Sargent cherry
Prunus sargentii
Silk tree
Albizia julibrissin
Star magnolia
Magnolia stellata, tree form
Thundercloud flowering plum*
Prunus cerasifera "thundercloud"
Toba hawthorn
Crataegus x mordenensis
Tradition serviceberry
Amelanchier x grandiflora "Trazam", tree form
Trident maple*
Acer buergeranum, tree form
Washington hawthorn
Crataegus phaenopyrum
Western water birch*
Betula occidentalis
      3.   Parking/Planting Strip Width Five Feet To Eight Feet (Acceptable Species): As recommended by the urban forester, parking strips of this size will be classified by the appropriate rating of medium tree species. These tree species will not be planted where overhead electrical lines or other overhead utilities are present within the parking strip. These trees may be planted in the larger width areas but not in the smaller areas listed above.
American yellow wood
Cladrastis lutea
Armstrong maple*
Acer rubrum "Armstrong"
Autumn flame maple*
Acer rubrum "autumn flame"
Bradford Callery pear
Pyrus calleryana "Bradford"
Chancellor linden*
Tilia cordata "chancellor"
Chinese white birch
Betula platyphlla "Szechuanica"
Cleveland Norway maple*
Acer platanoides "Cleveland"
Columnar Norway maple*
Acer platanoides "columnar"
Crimson King Norway maple*
Acer platanoides "crimson king"
Deborah maple
Acer platanoides "Deborah"
Emerald lustre maple*
Acer platanoides "pond"
Emerald Queen Norway maple*
Acer platanoides "emerald queen"
European ash*
Fraxinus excelsior
European mountain ash*
Sorbus aucuparia
European white birch*
Betula pendula
Fairview locust
Gleditsia triacanthos inermis "fairview"
Fan-san fruitless mulberry
Morus alba "fan-san"
Fruitless mulberry
Morus albm "fruitless"
Glenleven linden*
Tilia cordata "Glenleven"
Golden rain tree
Koelreuteria paniculata
Green Mountain sugar maple*
Acer saccharum "green mountain"
Greenspire linden*
Tilia cordata "greenspire"
Halka honeylocust*
Gleditsia tricanthos inermis "halka"
Hedge maple*
Acer capestre
Idaho flowering locust
Robina idahoensis
Imperial honeylocust*
Gleditsia tricanthos inermis "imperial"
Japanese pagoda tree*
Sophora japonica
Japanese tree lilac
Syringa amurensis japonisa
Japanese white birch
Betula platyphylla "japanica"
Kingan fruitless mulberry
Morus alba "kingan"
Littleleaf linden*
Tilia cordata
Modesto ash
Fraxinus velutina x glabra "modesto"
Olympic linden*
Tilia cordata "olympic"
Paper birch
Betula papyrifera
Patmore ash
Fraxinus pennsylvanica "Patmore"
Pin oak
Quercus palustris
Pyramidal European hornbean
Carpinus betulus "fastigiata"
Queen Elizabeth maple*
Acer compestre "Queen Elizabeth"
Red horse chestnut*
Aesculus x carnea
Red sunset maple*
Acer rubrum "red sunset"
Redspire pear
Pyrus calleryana "redspire"
Regent Japanese pagoda tree
Sophora japonics "regent"
Rivers purple beech
Fagus sylvatica "river purple beech"
Royal red maple*
Acer platanoides "royal red"
Saratoga ginkgo tree
Ginkgo biloba "Saratoga"
Schwedler Norway maple*
Acer platanoides "Schwedleri"
Shademaster honeylocust*
Gleditsia triacanthos inermis "shademaster"
Skyline locust
Gleditsia triacanthos inermis "skyline"
Summershade Norway maple*
Acer platanoides "summershade"
Sycamore maple*
Acer pseudoplatanus
Village green Zelkova
Zelkova serrata "village green"
White alder
Alnus incana
Whitespire birch
Betula platyphylla "whitespire"
      4.   Parking/Planting Strip Width Eight Feet And Up (Acceptable Species): As recommended by the urban forester, parking strips of this size will be classified by the appropriate rating of large tree species. These tree species will not be planted where overhead electrical lines or other overhead utilities are present within the parking strip area. These trees are not to be planted in smaller areas listed above under the small or medium parking strip categories.
American sweetgum
Liquidambar styraciflua
Autumn gold ginkgo tree
Ginkgo biloba "autumn gold"
Burr oak
Quercus macrocarpa
Columnar english oak
Quercus robur "fastigiata"
Crimean linden
Tilia x euchlora
English oak
Quercus robur
European beech
Fagus sylvatica
European hornbeam
Carpinus betulus
Fairmount ginkgo
Ginkgo biloba "fairmount"
Ginkgo tree
Ginkgo biloba "saratoga"
Celtis occidentalis
Horse chestnut
Aesoulus hippocastanum
Japanese Zelkova
Zelkova serrata
Kentucky coffee tree
Gymnocladus dioicus
Lace bark elm
Ulmus parvifolia
Legacy sugar maple*
Acer saccharum "legacy"
London plane tree
Platanus x acerifolia
London planetree, blood strain
Platanus x acerifola "bloodgood"
Marshall's seedless green ash*
Fraxinus pennsylvanica
Patmore ash
Fraxinus pennsylvanica "Patmore"
Red maple*
Acer rubrum
Red oak
Quercus rubra
Redmond linden*
Tilia euchora "redmond"
Silver dollar tree
Eucalyptus polanthemos
Sugar maple*
Acer saccharum
Plantanus occidentalis
Tulip tree
Liriodendron tulipifera
Western or northern catalpa*
Catalpa speciosa
White ash*
Fraxinus americana
White horsechestnut*
Aesculus hippocastanum
White oak
Quercus alba
(Eff. 3-14-2007)