Types of Lime and Gypsum for Soil The Home Depot®
Apply lime and fertilizer at least two weeks apart to avoid damaging plants. Both lime and gypsum can be easily applied using lawn spreaders. Lime can burn a lawn if misapplied, but gypsum will not. Gypsum Season. Any time of the year; Quantity. Established lawns: 40 to 50 lbs. per 1,000 sq. ft. New lawns w/ heavy clay: 300 lbs. per 1,000 sq. ft.