Greensand is a mineral-based soil amendment that’s rich in the conditioning element glauconite. It contains 6% total potash, with 0.1% available immediately, and it’s rich in trace elements. Available in 10- and 36-pound bags.
Espoma® Greensand turns dense, heavy clay into manageable soil. Mined from deposits in the U.S., Greensand is a naturally-occurring iron-potassium silicate that can hold ten times its weight in moisture. Also contains over 30 trace minerals.