04-25-2024 PRF Packet - Laserfiche WebLink

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Mounds View Ardan Park Ponds As with the tree removal, invasive shrubs and saplings should be removed during dormant conditions. All of the invasive shrubs and saplings should be cut as close to the ground as possible and promptly treated with herbicide. Cut material can be chipped and hauled off for composting or chipped and blown back into the woodland areas. Removing the chipped material will enable better seed bed conditions for subsequent seeding of native ground layer vegetation. Forestry mowing to shred cut material is another alternative to chipping and hauling for areas accessible by a skidsteer. This may be a good option for the woodland areas by the compost facility. Follow-up foliar treatments should be anticipated for any stump re-sprouts and seedlings. If there is desirable native broadleaf ground cover in areas with re-sprouts and seedlings, foliar treatment should occur after the native broadleaf plants have gone dormant in the fall. Areas with sparse or no desirable broadleaf plants can be foliar treated during the growing season. A minimum of 3 to 5 years of follow-up foliar treatments should be anticipated to significantly reduce invasive shrub cover and control recruitment from the soil seedbank. Prior to invasive shrub control, a seeding/planting plan should be in place for revegetation. A seed mix of native grasses and sedges is typically sown in areas where invasive shrubs will require follow-up foliar treatments with a broadleaf-selective herbicide. After the invasive shrub cover has significantly diminished, a seed mix with native grasses, sedges, and broadleaf flowers can be sown to add diversity, functionality, and resilience. 4.1.3 HERBACEOUS WEED CONTROL Herbaceous weed spot treatments are recommended for reducing cover by invasive plants and problematic weeds such as Canada thistle, purple loosestrife, creeping Charlie, garlic mustard, burdock, motherwort, nonnative cattail, reed canary grass, and smooth brome. Treatment for some of these species may be combined with broadcast spraying as part of site preparation for native seeding/planting. As with invasive shrub control, multiple treatments should be anticipated. For the herbaceous weeds, successful control may require multiple treatments within one growing season and for at least 2-3 growing seasons. The specific control methods used, including herbicide selection and timing, will be species-dependent. Treatments should involve the most selective herbicides applied at the lowest effective rates for control based on herbicide label recommendations. Herbicide applications to flowering target species should be avoided when pollinators are highly active. 4.1.4 NATIVE SEEDING Native seeding is recommended to enhance ground layer vegetation cover throughout the project area. No site preparation, other than weed spot treatments, may be needed in areas with some existing native vegetation or canopy cover. Spring seeding native woodland grasses and sedges will be an effective approach for increasing ground cover in woodland areas. The seeds will germinate during the growing season and provide erosion control and cover. For broadleaf seed mixes, fall seeding is recommended to Project ® Number: 193806462 13