Ortho WeedClear 1 Gal. Ready To Use Trigger Spray Northern Lawn Weed KillerKills all types of weeds (as listed) without harming your lawn (when used as directed) Rainproof in 1 hour and is fast acting you'll see results in just one application Kills over 200 weeds down to the roots, including dandelion, chickweed, clover, crabgrass, and foxtail For use on grasses, including Bermudagrass, Buffalograss, Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass