The power is in your hands to keep your landscape in line, unleash it with Spectracide lawn and garden products. Our easy-to-use insect, lawn disease and weed control solutions help you tame lawn and landscape invaders with incredible pest-punishing power. Take command with Spectracide brand. You hold the power.Spectracide Weed Stop For Lawns Concentrate2 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. Lawn damage could happen above 90 degrees. This easy-to-use product is designed with the QuickFlip sprayer, allowing you to just connect your hose and spray at the flip of a switch. 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 zoysiagrass just emerging from dormancy.