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City of Pleasanton Tree Species Selection Guide The City of Pleasanton has created an approved tree species list which can be found here: https://www.cityofpleasantonca.gov/assets/ou r -govern ment/public-works/engineering/landscape- ord inance/Approved-Heritage-Tree-Replacement-List.pdf This Appendix provides more detail one each tree species from the approved tree species list inked above. The matrix contains 9 attributes for each tree species. The Tree Species Selection Guide table below contains explanations for some attributes found in this appendix. Table C-1. Tree Species Selection Guide Species Recommendations Selecting the appropriate tree species for their designated planting locations can drastically simplify the task of maintaining a sustainable urban forest. Proper attention should be given to makingthe right species choice because decisions made at this stage have lasting impacts on the health and resiliency of a city's urban forest. Pleasanton aims to follow the principles of "right tree, right place" when choosing which type of tree to plant and where to plant it. The Recommended Tree Species List below has been developed to assist with the tree selection process and should be referenced whenever trees are being planted in the City of Pleasanton. All species included in this list have been filtered through the following considerations: • Tree canopy. The City of Pleasanton aims to maintain and grow the Urban Forest. Therefore, trees that provide large, lush canopies must be included in the tree list and planted wherever feasible. APPENDIX C - RECOMMENDED TREE SPECIES LIST 55 of 219 Explanation Tree Height at These attributes should be the primary factors considered when finding the right size maturity species for a planting location. Before planting a tree, one should consider how Canopy large it will grow in the coming decades and choose a species that fits the spread at available space at maturity. maturity Trunk Diameter Planting Area requirement Water Use Rating As California and the City of Pleasanton continue to cycle through extended periods of drought and extreme heat, tree species that require low amounts of water are likely to be suitable for the City's environmental conditions. Hardscape The hardscape damage potential is a metric for a species' known ability to cause Damage Potential damage to sidewalks, streets, curbs, and gutters. Pest and Disease There are an array of arboreal pests and diseases that affect tree health. Certain Vulnerability pests and diseases can have detrimental affects on certain species trees. Notes about pest and disease susceptibility are included for each species in the tree list. Species Recommendations Selecting the appropriate tree species for their designated planting locations can drastically simplify the task of maintaining a sustainable urban forest. Proper attention should be given to makingthe right species choice because decisions made at this stage have lasting impacts on the health and resiliency of a city's urban forest. Pleasanton aims to follow the principles of "right tree, right place" when choosing which type of tree to plant and where to plant it. The Recommended Tree Species List below has been developed to assist with the tree selection process and should be referenced whenever trees are being planted in the City of Pleasanton. All species included in this list have been filtered through the following considerations: • Tree canopy. The City of Pleasanton aims to maintain and grow the Urban Forest. Therefore, trees that provide large, lush canopies must be included in the tree list and planted wherever feasible. APPENDIX C - RECOMMENDED TREE SPECIES LIST 55 of 219