Roundup 32oz Dual Action 365 Weed Killer Preventer Concentrate

Apply this herbicide to hardscapes and landscapes - cracks and crevices in driveways, sidewalks, and patios, along fences, in mulched beds or around the base of well-established desirable plants, shrubs, or trees, and on gravel areas. This weed killer and preventer is rainproof in as fast as 30 minutes, and produces visible results in as fast as 6 hours.