22-4-2 weed & feed mixture plus 17% sulfur and 10% iron. Features a premium grade herbicide which controls a wide spectrum of broadleaf weeds. Provides control of dandelion, chickweed, knotweed, spurge, henbit, plantain, and many other weeds. Specially formulated for soil types in the Central and Western United States. High iron for lush, deep green color. Contains: Viper, a selective herbicide. Covers 5000 square feet. 18 pound bag.