Roundup Weed & Grass Killer4 with Comfort WandRoundup Weed & Grass Killer 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 and produces visible results in hours Allows for planting 1 to 30 days after application (see booklet for details) Use in or around flower beds and perennial landscape plants, around trees and shrubs, on patios, walkways, and