Ortho® WeedClear™ Lawn Weed Killer Ready-to-Spray₃ (South)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