Are you tired of unsightly weeds creeping into your lawn? Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns Concentrate is formulated to kill tough weeds in your lawn, when used as directed. The formula kills ground ivy (creeping Charlie), speedwell (veronica), wild violet, and other tough lawn weeds as listed. Plus, it is rainproof 6 hours after application. Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns Concentrate can be applied to Buffalograss, Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass. Apply when weeds are actively growing and temperatures are below 90°F. This product is a concentrate. It cannot be applied directly out of its container. Mix 1 fl. oz. of product per gallon of water to treat 200 sq. ft. Easily apply with the Ortho Dial 'N Spray Hose-End Sprayer or any other tank sprayer. One 16 fl. oz. bottle treats 3,200 sq. ft. Trust Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns Concentrate to kill weeds, not your lawn.