Turf Builder Bonus S Southern Weed & FeedF2 fertilizes to green your lawn Kills dollarweed, clover, and other existing lawn weeds as listed Use on southern grasses, including St. Augustinegrass (including Floratam), Centipedegrass, Zoysiagrass, and Carpetgrass Builds thick green turf to help prevent runoff and crowd out future weeds Only sold in FL Covers up to 10,000 sq. ft.