Make troublesome lawn weeds a problem of the past. Roundup® For Lawns₁ is a ready-to-use tough weed killer for Northern grasses that kills weeds, roots and all (when used as directed), with up to 3 month weed control (as listed). This product kills 253 types of weeds (see inside booklet for weed list), including crabgrass, dandelion, clover, yellow nutsedge, poison ivy, chickweed, oxalis, and purslane. In addition, it starts working immediately and is rainproof in 3 hours. Roundup® For Lawns₁ is for use on Northern grasses, including Kentucky Bluegrass, Perennial Ryegrass, Fescue spp. including Tall, Red, and Fine Leaf Fescues, and Zoysiagrass. For best results, apply this product to actively-growing weeds during the early growth stages. Use in the spring and early summer, or fall when daytime temperatures are between 45°F and 90°F. The easy reach extended wand makes application a breeze with its continuous spray. Do not allow people or pets to enter the treated area until spray has dried. Roundup® For Lawns₁ is intended for use by homeowners as a spot treatment on lawns.