Landscape Handbook - City of Bettendorf

For bare root plant material, the root spread should be as large as the specified diameterof the ball or pot.All new vegetation shall have an area equivalent to two-thirds of the area defined bythe drip line at maturity to allow for normal growth. All existing vegetation shall havean area equivalent to three-fourths of the area defined by the mature drip line. Sufficientspacing between other vegetation, buildings, pavement, and utilities shall be provided.All fences, walls, and other barriers shall be maintained in good repair, meaningstructurally sound and attractive in appearance. The finished face of all such barriersshall face outward toward the neighboring site or street.The following types of vegetation are not considered suitable for an urban settingbecause they are weak wood trees and/or associated with disease or pests. Thefollowing shall be prohibited except under special circumstances and with the approvalof the Community Development Director.Common Name*Poplar and related speciesBox ElderSiberian ElmAmerican Elm*WillowTree of HeavenMulberry (female)European Mountain AshPin Oak*Silver Maple*European BirchGinkgo (female)Scientific NamePopulus speciesAcer negundoUlmus pumilaUlmus americanaSalix speciesAilanthus altissimaMorus albaSorbus aucupariaQuercus palustrisAcer saccharinumBetula papryiferaGingko biloba*Acceptable in designated flood plains.In addition to the above requirements, any required tree located within a vehicular usearea shall be a deciduous shade tree and meet the following requirements:1. At time of installation, the tree shall have a trunk caliper (diameter) of 2 inchesmeasured 6 inches above the ground.2. Because of shallow surface roots, fruit droppings, and/or low branches, the useof the following trees shall be prohibited in parking lots.Common NameAlderCatalpaNorway MapleScientific NameAlnus speciesCatalpa speciosaAcer plantinoides9