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. Application is easy: simply connect the garden hose to the attached 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!