Make troublesome lawn weeds a problem of the past. Roundup For Lawns is ready-to-use on Southern grasses and kills weeds to the root without harming lawns (when used as directed). This product kills 93 types of weeds, including dollarweed, dandelion, clover, yellow nutsedge, poison ivy, chickweed, oxalis, and purslane (see inside booklet for weed list). In addition, it starts working immediately and is rainproof in 4 hours. Roundup For Lawns is for use on Southern grasses, including St. Augustinegrass (including Floratam), Bermudagrass, Centipedegrass, Bahiagrass, and Zoysiagrass. The best time for broadleaf weed applications is when weeds are young, actively growing, and soil moisture is adequate. The extend wand has a one-touch continuous spray to treat hard-to-reach areas. Weed injury symptoms are normally noticed within a few days of the application and weed death can occur within 14 to 28 days. Weed injury symptoms include leaf and stem curl or twisting and weed yellowing. Do not allow people or pets to enter the treated area until sprays have dried. One 1 gal. container of Roundup For Lawns treats up to approximately 2,000 weeds.