The dual-action formula of Roundup Concentrate Extended Control Weed and Grass Killer Plus Weed Preventer II kills existing weeds down to the root, guaranteed! And keeps new weeds from growing for up to 4 months. Plus, the Roundup Extended Control can be used on driveways, sidewalks and patios; along fences, foundations, curbs retaining walls and edge of lawns, as well as on decorative rock or gravel areas. Simply add 6 fl. oz. of the concentrate to 1 gallon of water in a Roundup Brand Premium Sprayer. Rainproof in 30 minutes with visible results in 6 hours. Roundup works. Fast.
Dual-action formula kills existing weeds and prevents new ones from growing for up to 4 months
Kills weeds to the root
Use on driveways, sidewalks, and patios; along fences, foundations, curbs, retaining walls and edge of lawns, as well as on decorative rock or gravel areas
Rainproof in 30 minutes
Visible results in 6 hours