For use on many Northern and Southern lawns. Lawn-friendly weed control when used as directed. Kills 250+ listed weeds, including dandelions, clover and other broadleaf weeds. Kills weeds to the root. Rain-proof in 1 hour. Results in hours when used as directed. Active ingredients: 8.658% Dimethylamine Salt of 2,4-D Acid, 2.127% Dimethylamine Salt of Mecoprop-p Acid, .371% Dicamba Acid.