Ground Force® Vegetation Killer ConcKills all weeds and grasses, roots and all! Prevents new growth for up to one full year. An excellent choice for driveways, patios, fence lines, gravel paths, parking areas, sidewalks, curbs, & more. Product mixes with water and should be applied using either a tank sprayer or sprinkling can. Carefully read and use according to label directions. Kills and prevents vegetation for up to one year Use on driveways, gravel areas, sidewalks, fences, & curbs