Tree Planting

PROHIBITED TREES AND TREES NOT RECOMMENDED

FOR STREETS IN ROCHESTER HILLS

Trees Prohibited under the City's Street Tree Ordinance (Article II, Section 106-56):

Boxelder (Acer negundo)

Silver Maple (Acer saccharinum)

Tree of Heaven (Ailanthus altissima)

Catalpa (Catalpa speciosa)

Russian-olive (Elaeagnus angustifolia)

Poplar species (Populus sp.)

Willow species (Salix sp.)

American Elm (Ulmus americana)

Siberian Elm (Ulmus pumila)

Other trees not recommended:

Norway Maple (Acer platanoides)  all varieties that bear seed (including 'Crimson King') are considered invasive.  Norway maples are also susceptible to disease, girdling roots, and general decline.

Red Maple (Acer rubrum)  due to popularity red maples (especially certain varieties, e.g. 'Red Sunset') have been over-planted.

Buckeye and Horsechestnut (Aesculus sp.)  litter problem; only seedless varieties should be used for tree lawn locations (between the sidewalk and street).

Female Kentucky Coffeetree (Gymnocladus dioicus)  litter problem; only male varieties should be used for tree lawn locations (between the sidewalk and street).

Sweetgum (Liquidambar styraciflua)  litter problem; only seedless varieties should be used for tree lawn locations (between the sidewalk and street); seedling grown sweetgums may not be hardy in Michigan (hardy varieties include 'Happidaze', 'Moraine', 'Worplesdon').

Blue (Colorado) Spruce (Picea pungens)  susceptible to disease.

Austrian Pine (Pinus nigra)  susceptible to disease.

Flowering Pear (Pyrus calleryana)  due to popularity flowering pears have been over-planted; litter problem and potentially invasive; 'Bradford' is susceptible to storm damage.