BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns kills listed broadleaf weeds including dandelion, clover, and dollarweed. And it prevents listed broadleaf and grassy weeds plus crabgrass for up to 6 months. It starts working immediately to stop weed growth until listed weeds are dead, within weeks. When used as directed, it will not harm your lawn. The special formula is for Southern lawns including Bermudagrass, all varieties of St. Augustinegrass, including Floratam, and more, as listed on the label. BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns measures 10 pounds and treats up to 4,000 square feet. Not for Sale in AK, CA, CO, CT, DC, DE, ID, IL, IN, IA, KS, KY, MA, MD, ME, MI, MN, MT, ND, NE, NH, NJ, NY, OH, OR, PA, RI, VT, SD, UT, WA, WV, WI, WY. Active ingredients: Dicamba acid 0.088%, Penoxsulam 0.041%, Indaziflam 0.027%. EPA Registration Number: 92564-61.