Ortho WeedClear Lawn Weed Killer Ready-to-Use1 kills many types of broadleaf weeds (as listed), and it won't harm your lawn (when used as directed). With results in hours, it kills over 250 weeds down to the roots, including dandelion, clover, oxalis, chickweed, knotweed, plantain, henbit & spurge. Easily apply to weeds with the trigger sprayer. For use on multiple lawn varieties, including Kentucky bluegrass, perennial ryegrass, fescues, common bermudagrass, hybrid bermudagrass, bahiagrass, bentgrass, buffalograss, centipedegrass, zoysiagrass, and St. Augustinegrass (except Floratam). Use Ortho WeedClear Lawn Weed Killer to kill weeds to the roots!