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 and grass killer with Extended Control2 is a ready-to-use weed killer plus preventer that prevents weed growth for up to 5 months.* This product is designed as a refill for use with the AccuShot continuous power sprayer (sold separately with Spectracide weed and grass killer with Extended Control). This quick-kill formula acts fast to kill weeds and grasses down to the root, for visible results as fast as 3 hours. This product is rainproof in 15 minutes – rainfall or watering 15 minutes after application will not wash away effectiveness. 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. 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.*does Not kill all seeds, woody and semi-woody plants, and propagules in the soil, such as tubers and rhizomes.