This information is specific to Minnesota and may or may not be applicable to your area. Permanent vegetation cover is great because it minimizes topsoil loss. Open areas are more susceptible to frost, heaving, and erosion. Plants can trap snow, which acts as mulch and prevents erosion. The following publication contains some guidelines for landscaping your septic mound: Landscaping Septic Systems. Perennial flowers, such as day lilies and peonies, can be grown on mounds. Mulch or plant them close together so soil will not be exposed and erode. Native wildflowers and grasses seem to be the most successful. Some are: Prairie onion (Allium stellatum) Pussytoes (Antennaria neglecta) Butterflyweed (Asclepias tuberosa) Prairie clover (Dalea spp.) Pale purple coneflower (Echinacea angustifolia) Rattlesnake master (Eryngium yuccifolium) Prairie smoke (Geum triflorum) Oxeye (Helianthus helianthoides) Rough blazing star (Liatris aspera) Wild bergamot (Monarda fistulosa) Penstemon (Penstemon spp.) Heath aster (Aster ericodes) Bigleaf aster (Aster macrophyllus)* Pennsylvania sedge (Carex pensylvanica)* Wild geranium (Geranium maculatum)* Violets (Viola spp.)* Sideoats grama (Bouteloua curtipendula) Blue grama (Bouteloua gracilis) Little bluestem (Schizachyrium scoparium) Prairie dropseed (Sporobolus heterolepis) June grass (Koeleria macrantha)

Browse related Faqs by tag: horticulture, plant selection, minnesota, septic mound