The Gordon's 2.5 gal. Barrier Year-Long Vegetation Control is a non-selective vegetation control concentrate in an advanced formulation that delivers results for up to a year! Its unique, 5-active-ingredient formulation is designed to deliver robust control for listed weeds, grass and brush where you don't want vegetation to grow. Use this concentrate along fences, fencerows, driveways, patios, sidewalks, around buildings, curbs, parking areas, brick walks, gravel paths, walkways and paths. Mix 18 oz. with 3-5 gal. of water to cover 1,000 sq. ft.