plants for mound system

Asked January 30, 2019, 11:48 AM EST

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

1 Response

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.

Source: https://conservancy.umn.edu/handle/11299/51549