Soil Mender Expanded Shale

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High Country Gardens

Soil Mender Expanded Shalenatural soil amendment

Available in 5 lb and 40 lb bags.

Soil Mender Expanded Shale is a great way to loosen and aerate poor clay soils and improve moisture retention in sandy soils. Thousands of tiny pores in expanded shale quickly absorb moisture and slowly release it into your soil.

  • Excellent in all soil conditions
  • Great way to loosen and aereate poor clay soils
  • Improves moisture and nutrient retention in sandy soils


Till 1-3 inches of expanded shale into the top 6 inches of soil.