Roundup Weed & Grass Killer Concentrate kills tough weeds and grasses to the root, including dandelion, crabgrass, and poison ivy. Rainproof in 30 minutes with visible results in hours, it allows replanting in 1–30 days. Ideal for flower beds, driveways, fences, and lawn replacement. One 64 oz. bottle makes up to 21 gallons, covering up to 6,300 sq. ft. Mix and apply as directed.
