Ortho Weed-B-Gon Southern Lawn Concentrate - 32-Ounce 0396810 Kills Weeds, Not Lawns Rain-Proof In 2 Hours Fast Results Active Ingredients: Mecoprop-p, dimethylamine salt...5.3%, 2,4-D dimethylamine salt...3.05%, Dicamba, dimethylamine salt 1.3% Includes 32 Fluid Ounces - Can Cover Up To 12,800 Square Feet