Spectracide Weed Stop For Lawns Concentrate2 controls more than 460 types of weeds as listed and it won't harm your lawn when used as directed. Use it to treat your awn, including bluegrass, fescue, Bermuda, perennial ryegrass and zoysia (do not apply to zoysia just emerging from dormancy). This formula kills by contact down to the root, with visible results in as little as 3 hours.

Product Features:

• Kills all types of listed broadleaf weeds including dandelion, chickweed, clover and yellow nutsedge
• Rainfall or watering 6 hours after application will not wash away effectiveness
• Spectracide weed stop for lawns concentrate kills by contact and kills weed roots
• Kills the root - see results in hours
• 32 ounce bottle treats up to 21,333 square feet of St. Augustine grass, 16,000 square feet of other warm season grasses, or 8,000 square feet of cool season grasses