Roundup® For Lawns₁ Extended WandRoundup For Lawns 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) Kills 253 types of weeds (see inside booklet for weed list), including crabgrass, dandelion, clover, yellow nutsedge, poison ivy, chickweed, oxalis, and purslane Roundup For Lawns starts working immediately and is rainproof in 3 hours Use this tough weed killer on listed