Garden Gypsum

Espoma Organic Garden Gypsum is an all-natural mineral that helps loosen clay soils and promotes better root growth.  It minimizes winter salt damage to plants & neutralizes pet urine burn.  It’s pelletized for easy application, and 100% pure with no sludges or fillers used. And because it’s made in our state-of-the-art solar powered manufacturing facility, consistency and quality are guaranteed.


  • Loosens Heavy Clay Soils
  • Pelletized for Easy Application
  • Helps Cure Turf burns From Ice-Melters & Pets.
  • Approved for Organic Gardening
  • Safe for People, Pets & Planet

For use on:

Garden beds, shrubs, flowers and lawns

When to use:

Can be used any time in the growing season.  Never apply fertilizers or amendments to frozen soil.

How much to use:

Garden Beds: Apply 6 lbs. per 30 square feet into top 6 inches of soil
Shrubs: Apply 3 lbs. (5 ¼ cups) per plant
Flowers: Apply 1 lb. (1 ¾ cups) per plant
Lawns: Apply 36 lbs. per 1,000 square feet. Double rate for exceptionally heavy clay.

How to apply:

For lawns a drop or broadcast spreader is recommended.  For garden applications sprinkle evenly on the soil surface.

Always water following the application.

Available in 6 and 36 lb. sizes

1 lb. equals 1 ¾ cups

All-Purpose Garden Soil

All Purpose Planting Mix

  • In 1 cu. ft. bags
View Product Details

Before you head to the garden center, please call to confirm product availability.

6 LB. 36 LB.

Garden Gypsum 6 LB.