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Attachment 2: Landscaping and Tree Preservation Standards - REVISED May 26, 2010 <br />Large Shrub: Large shrubs have a mature height over 6'. <br />Large Tree: Overstory deciduous trees with a mature height of at least 40'. <br />Medium Shrub: Medium shrubs have a mature height of 3' -6'. <br />Medium Tree: Deciduous trees with a mature height over 18' and up to 39'. <br />Native species: A plant species that is indigenous to the local ecosystem. <br />Perennial: A plant, usually a flowering species, having a lifespan of more than two (2) years. <br />Prohibited species: Species that may not be planted within the City that are typically invasive <br />or considered a nuisance. <br />Removal: Actual removal or effective removal through actions resulting in the death of a tree. <br />Root Protection Zone: A protected area around an existing tree established by offsetting the <br />dripline 5' away from the tree center. <br />Screen: A barrier that hinders sight and, potentially, access. <br />Small Shrub: Small shrubs have a mature height of less than 3'. Small shrubs are <br />interchangeable with perennials, ornamental grasses and groundcovers to fulfill landscape <br />requirements. <br />Small Tree: Understory deciduous trees with a mature height of 18' and under. <br />Tree: Any self supporting woody plant, growing up the earth with one trunk of at least 3" <br />dbh, or a multi- stemmed trunk system with a definitely formed crown. <br />Undesirable tree: Trees that are dead, diseased, structurally weak, invasive or trees that are <br />hazardous to people, infrastructure or buildings. <br />Topping: Severe pruning removing at least 30% of a tree canopy, and drastically altering the <br />shape. <br />Whip: Small bare root tree with a juvenile root system. <br />Page 2 • <br />• <br />• <br />