Septic Field Mix for Sand & Gravel Backfill

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Light: Full Sun
Soil: Sand, Gravel
Moisture: Dry
Per Acre: 10 Lbs
1000SqFt: 1/4 Lb

QuantityPrice Ea.
1 1/4 Lb $70.00
1-2 per Lb $195.00
3-4 per Lb $148.33
5-9 per Lb $139.00
10 per Lb $125.00

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Native prairie plants are recommended for planting over mounds and drainfields. Nutrients in the wastewater are taken up by the plants, instead of entering the groundwater. Now that’s ecological landscaping! (Studies have shown that the roots of prairie plants do not clog septic system pipes.) For septic systems that have received topsoil over the sand and gravel backfill use our Short Prairie for Medium Soils Mix.

WILDFLOWERS: Butterflyweed / Sky Blue Aster / Smooth Aster / Frost Aster / White Aster / Canada Milk Vetch / Lanceleaf Coreopsis / Purple Prairie Clover / Pale Purple Coneflower / Showy Sunflower / Downy Sunflower / Rough Blazingstar / Lupine / Dotted Mint / Beardtongue / Black Eyed Susan / Wild Petunia / Stiff Goldenrod / Showy Goldenrod / Ohio Spiderwort / Hoary Vervain
GRASSES: Sideoats Grama / Little Bluestem / Prairie Dropseed

Contains at least 15 wildflowers and 2 or more grasses.

Seed Mix Establishment Guide

  • Septic Field Mix for Sand & Gravel Backfill
    Septic Field Mix for Sand & Gravel Backfill
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