Hi-Yield® Fast-Acting Gypsum, powered by AST®, is a versatile soil amendment designed to help loosen compacted soils and promote root development, improving overall soil structure. Ideal for use in lawns and gardens, it effectively loosens clay soils, repairs salt damage, and enhances water penetration. When establishing new lawns, apply 25 lbs. per 2,500 sq. ft., and for existing lawns, use 25 lbs. per 5,000 sq. ft. Shrubs benefit from 1 cup of the product applied near their base, while vegetable and flower gardens require 1 lb. per 100 sq. ft. for optimal results. The product label contains specific information and guidelines for application. This formulation also offers advantages like improved water penetration, reduced soil loss, and enhanced seed establishment, making it a reliable solution to create an ideal soil environment and support healthy plant growth.

Hi-Yield HiYield
25#

8/18/2025