Parks and Public Landscaping Advisory Board Agenda and Packet 2021 06 03

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APPENDIX A (REVISED 2021) LOUISVILLE OPEN SPACE ADVISORY BOARD STANDARDS FOR THE USE OF NATIVE PLANTS ON LOUISVILLE OPEN SPACE ADOPTED BY OPEN SPACE ADVISORY BOARD: APRIL 14, 2021 ADOPTED BY PARKS & PUBLIC LANDSCAPING ADVISORY BOARD: Background and Scope: The following standards for plant selection apply to all non-agricultural parcels that are managed, or will be managed, by the Louisville Open Space division, including newly dedicated open space, trailhead parking lots, and utility easements. These standards pertain to any plant selected for vegetation on open space including graminoids, forbs, woody plants, and non -seed plants. This document replaces the standards set forth in Appendix A of the Open Space Master Plan, adopted by the Horticulture and Forestry Advisory Board in 2001. Definitions: Forb — Any herbaceous flowering plant that is not a graminoid. Graminoid —A grass, sedge, or rush. Native plant — Article 15, Section 15-2 of the Louisville Home Rule Charter defines a native plant as one that "occurs naturally in Louisville habitats without direct or indirect human actions." This document further clarifies that the human actions referred to are those following the Euro- American settlement of what is now the State of Colorado. Native status will be determined using the USDA PLANTS database (https://plants.sc.egov.usda.gov/Java/). Non -seed plant — A plant that reproduces with spores, rather than seeds. Relevant examples to Louisville include mosses, ferns, and horsetails. Woody plant — A plant that produces persistent above -ground tissue that does not die back annually (e.g. shrubs and trees). Standards 1. All plantings on open space shall be reviewed and approved by Open Space staff. 2. Any species native to Boulder County is pre -approved for planting on open space. This does not mean that all species native to Boulder County should be planted in Louisville. Plant selection should consider Louisville's elevation, climate, and soils. 3. Species native to Colorado, but without a USDA PLANTS record in Boulder County, may be approved for use on open space, following Open Space staff review. 4. Species that are not native to Colorado will not be approved for use on open space. 10