Take control of your outdoor space with Roundup Weed & Grass Killer4. It kills tough weeds and grasses to the root, including dandelion, crabgrass, poison ivy, clover (red & white), spotted spurge, and other broadleaf weeds. It is rainproof in as fast as 30 minutes, produces visible results in hours, and allows you to plant 1 to 30 days after application (see booklet for details). Use Roundup Weed & Grass Killer4 in flower beds and perennial landscape plants, around trees and shrubs, on patios, walkways, and driveways, gravel, or mulch beds, along fences and foundations, and edging around foundations and retaining walls. Applying this weed and grass killer couldn't be easier-just squeeze the handle to spray and treat weeds. Do not allow people or pets to enter the treated area or touch treated plants until spray has dried. One 24 fl. oz. bottle of Roundup Weed & Grass Killer4 with Trigger Sprayer covers up to 56 sq. ft.