The power is in your hands to keep your landscape in line - unleash it with Spectracide lawn and garden products. Our easy-to-use, fast-acting 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 & Grass Killer With Extended Control Concentrate is formulated to kill lawn weeds and grass and prevent weed growth for up to 5 months. This quick-kill formula acts fast to kill all types of weeds and grasses down to the root, for visible results in as fast as 3 hours. This product is rainproof in 15 minutes - rainfall or watering 15 minutes after application will not wash away effectiveness. Spectracide Weed & Grass Killer With Extended Control Concentrate is a quadruple-powered weed and grass killing formula, with diquat, fluazifop-p-butyl, dicamba and oxyfluorfen. Use along fences, paths, patios, sidewalks, curbs and driveways and around established ornamental trees, shrubs, flower beds, plantings and buildings. Use for trimming and edging landscapes. Treated areas can be replanted one day later.For best results, apply in warm, sunny weather when the temperature is over 60 degrees. Do not use in areas that will be planted or seeded within 3 months. See label for complete instructions. Mix Spectracide Weed & Grass Killer With Extended Control Concentrate with water at the rates directed. For use with tank sprayers.