Spectracide® One-Shot™ Weed and Grass Killer with an Accushot® sprayer works fast to kill unwanted weeds and grass. This powerful formula kills from the leaves to the roots and prevents regrowth for up to five months. Plus, it works quickly, with visible results the same day. Clear out unwanted vegetation on walkways, driveways, and patios. Avoid spraying this product onto desirable plants, lawn grasses, shrubs, or trees. Spectracide® One-Shot™ Weed and Grass Killer's formula gives you control over weeds and grass, roots and all.