Davenport Native Species Requirement for Landscaping

Municipal code 17.11.030 Landscape – Selection, Installation and Maintenance
A. Selection.
1. All plant materials must be of good quality and meet American Horticulture Industry Association (AmericanHort) or its ANSI accredited successor’s standards for minimum acceptable form, quality, and size for species selected.
2. All species must be capable to withstand the seasonal temperature variations of USDA Hardiness Zone 5b (the plant zone for Davenport). A hardiness zone is a geographically defined area in which a specific category of plant life is capable of growing, as defined by climatic conditions, including its ability to withstand the minimum temperatures of the zone.
3. The use of species native or naturalized is required. Drought tolerant species are encouraged.
4. Invasive species are prohibited.