Lesco Professional 50 lb. 13,000 sq. ft. Coverage 18-0-9 Weed & Feed Turf Fertilizer. It contains 30% poly coated sulfur coated urea for slow release, providing up to 8 weeks of feeding. Apply when turf is wet, allow to dry, and see total results in 2 weeks. This fertilizer controls broad leaf and kills common weeds like Bur Clover and Dandelion, while promoting durable green grass with slow-release nitrogen, potassium, and other nutrients. Safe for all purpose grass type.