plants for mound system
What can be planted on top of a mound septic system, my blue grass lawn dries out very easily during dry summer periods, also something that might help hold snow for winter insulation
Le Sueur County Minnesota
Here is a list of plants from "Best Plants for 30 Tough Sites":
Asclepias tuberosa butterfly weed 2-3’ Native; showy orange flowers; butterfly favorite; prefers well-drained soil.
Bouteloua curtipendula sideoats grama 1-2’ Tough grass for well-drained sites; native to central US.
Bouteloua grama blue grama 6-18” Tough grass for well-drained sites; native to central US.
Echinacea purpurea purple coneflower 2-4’ Popular wildflowers with medicinal properties; large showy flowers in late summer.
Festuca spp. fescue 3”-2’ Wiry; tough grass; ‘Elijah Blue’ is silvery blue.
Geum triflorium prairie smoke 6-12’ Showy pink flowers; attractive foliage.
Heliopsis helianthoides oxeye, false sunflower 3-5’ Bright yellow flowers in summer; easy to grow; attracts aphids.
Hemerocallis spp. daylily 1-3’ Plant several varieties for continuous bloom; require minimal care; tough plant.
Liatris spp. blazing star, gayfeather 2-5’ Butterfly favorite; may need rabbit protection.
Monarda fistulosa bergamot, bee balm 2-4’ Lovely pink to lavender flowers; subject to powdery mildew; mint family; can make tea from the leaves.
Penstemon spp. penstemon, beardtongue 2-3’ Native wildflowers; a favorite of bees and hummingbirds.
Schizachyrium scoparium little bluestem 2-4’ Clump forming grass; bronze and orange fall color.
Sedum spp. sedum 6”-2’ Tough plant for dry sites; many forms and species.
Sporobolus heterolepis prairie dropseed 2-3’ Native grass found on upland sites or sandy soils; cloud-like fragrant flowers; yellow-orange fall color.