Get rid of weeds without harming your lawn. Ortho Chickweed, Clover and Oxalis Killer for Lawns Ready-To-Spray is formulated to kill tough weeds in your lawn. This weed control for lawns also kills Ground Ivy (Creeping Charlie), Speedwell (Veronica), Wild Violet, and other tough lawn weeds as listed. Plus, the spray won't harm your lawn-guaranteed. This weed killer spray may be used on Buffalograss, Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass. The no-mix, no-measure formula is rainproof in 6 hours. To use, simply connect the sprayer to your garden hose and turn on the water. Slide the switch to the "ON" position to begin, spraying evenly until only the surface of the weed is wet. Apply when temperatures are below 90 deg. F. Do not use on Bahiagrass, Bermudagrass, Centipedegrass, Kikuyugrass, or St. Augustinegrass lawns. This 32 oz. container of Ortho Chickweed, Clover and Oxalis Killer for Lawns Ready-to-Spray treats up to 6,400 sq. ft. of lawn.