Ortho WeedClear Weed Killer Concentrate for Lawns, 32 oz. is a powerful solution designed to eliminate over 250 common weeds without damaging your lawn. This effective weed killer targets dandelions, clover, poison ivy, sumac, chickweed, dollarweed, and many other unwanted plants, making it i for residential lawns. Formulated with three proven ingredients, it works by penetrating weeds through their leaves and traveling throughout the plant to destroy it down to the root. You can expect to see visible results within hours, and the product becomes rainproof just one hour after drying. It is safe for people and pets to enter the treated area once the spray has dried. For optimal performance, apply when weeds are small and actively growing during the spring or fall seasons.