The trees on the following list have characteristics which make them unacceptable for use in public rights-of-way and are not recommended for street trees:
Botanical Name | Common Name
|
Botanical Name | Common Name
|
Acer negundo | Box Elder |
Acer saccharinum | Silver Maple |
Aesculus hippocastanum | Buckeye |
Ailanthus altissima | Tree of Heaven |
Albizia julibrissin | Mimosa |
Betula, several species | White Birches |
Carya, several species | Hickory |
Casanea mollissima | Chinese Chestnut |
Catalpa, several species | Catalpa |
Crataegus crus gallie | Cockspur Hawthorn |
Ginko biloba (female) | Maidenhair |
Gleditsia triananthos (with thorns) | Honeylocust |
Juglans nigra | Black Walnut |
Koelreuteria paniculata | Golden Rain Tree |
Maclura pomifera | Osage Orange |
Malus (varieties susceptible to disease) | Crabapple |
Morus, several species | Mulberry |
Platanus occidentalis | American Sycamore |
Populus, several species | Poplar, Cottonwood |
Prunus, several species | Cherry |
Pyrus calleryana | Callery Pear |
Robinia pseudo-acacia | Black Locust |
Salix, several species | Willow |
Ulmus americana | American Elm |
Ulmus pumila (various) | Siberian Elm |
Needle Evergreens | |
Undesirable traits for street tree plantings include:
(1) Disease or insect problems;
(2) Dirty, dropping branches, objectionable fruit or bark;
(3) Weak-wooded, apt to lose large branches in wind or with age;
(4) Short lived;
(5) Unpredictable or irregular habits;
(6) Root problems, shallow and destructive roots; and
(7) Unsafe, dangerously thorny or poisonous.
(Ord. No. 1355, § 7, 12-10-85; Ord. No. 1448, § 1, 8-13-91; Ord. No. 1869, § 1, 10-12-15)