Loosens clay soil. Prilled, fast acting and easy to apply.

Available in one size: 5 lb. Box

Down To Earth™ Garden Gypsum improves the physical condition of landscape, lawn and garden soils while adding calcium and sulfur. Commonly used to reduce soil compaction and increase drainage in heavy clay soils, gypsum is also used to help remediate and revitalize alkaline, sodic or saline soils.

CALCIUM (Ca) 21.0%

SULFUR (S) 17.0%

(CaSO4·2H2O) 89.0%

Derived from:

Mined Gypsum

Listed by the Organic Materials Review Institute for use in organic production.


In spring, apply 5-10 lbs per 100 square feet and water in well. Annual applications are recommended and results may be enhanced if applied following aeration.

Vegetable Gardens & Flower Beds:

To prepare new gardens, apply 2.5-5 lbs per 100 square feet by evenly distributing over soil surface by hand or spreader.

Trees & Shrubs:

Spread 1 lb per 1″ of trunk diameter around the base outwards to the drip line and water in well.


OMRI Certificate

5 lb. Labels