The days of multiple applications to kill weeds are over! Just one application of this product's proprietary 2-in-1 formula kills & prevents lawn weeds up to 6 months! It delivers Season Long Weed Control that's simple and easy to use and it will not harm your lawn when used as directed. Just Hook to Your Hose and GO - Convenient sprayer top connects to garden hose and automatically dispenses the weed killer. Rainproof in one hour. Control weeds in your lawn up to 6 months!