Gypsum Granular

Gypsum Granular is a naturally mined calcium sulfate soil amendment that improves the structure of heavy clay soils while delivering calcium and sulfur. This pelletized, lightly molassed product flows and spreads evenly and has no significant effect on soil pH, so it focuses on tilth and mineral balance.

At a glance

• Type: Naturally mined calcium sulfate soil amendment
• Sulfur content: 12% sulfur
• Calcium: Readily available calcium for cell walls and plant health
• pH: No significant change to soil pH
• Form: Pelletized and lightly molassed for even spread
• Application rate: 1/2 to 1 cup per cubic foot of soil
• Certification: Organic

Best for

• Heavy clay lawns, vegetable beds, and perennial borders
• Improving drainage, aeration, and root penetration
• Flushing sodium buildup in soil
• Supplying calcium and sulfur within a balanced nutrient program

How to use

Best applied before planting and/or before flowering. Apply at a rate of 1/2 to 1 cup per cubic foot of soil as part of a complete nutrient and mineral program, working it into the soil for improved structure and mineral balance.

About The Soil Makers

The Soil Makers build on soil science and field-tested practices to deliver reliable calcium and sulfur while supporting healthier soil structure.