The power is in your hands to keep your landscape in line. Our easy-to-use insect, lawn disease and weed control solutions help you tame lawn and landscape invaders with incredible pest-punishing power. Spectracide Weed Stop For Lawns Concentrate2, 32 Ounces kills all types of listed broadleaf weeds including dandelion, chickweed, clover and yellow nutsedge. This product treats bluegrass, fescue, Zoysia, Bermuda and perennial ryegrass. For best results, apply between 45 degrees and 90 degrees. Above 45 degrees, the better the weeds will be able to absorb the product. Spectracide Weed Stop For Lawns Concentrate2 kills by contact and kills weed roots. Controls 460+ weeds as listed, giving you visible results in 3 hours. When used as directed, this product kills the weeds, not the lawn. Do not apply to Zoysia grass just emerging from dormancy.