Ortho Groundclear Weed & Grass Killer Ready-to-Use, 1 gal., Acts on Contact

Ortho GroundClear Weed & Grass Killer Ready-to-Use 1-gal. spray has been specifically formulated to kill all types of weeds that are green and growing like dandelions . ragweed . crabgrass . oxalis . moss . mustards . and more (as listed). Use on walkways . driveways . under trees . in landscape beds and around vegetable gardens (Apply directly to weeds). The fast-acting spray produces visible results in just 15 minutes and weeds will generally turn brown in hours! It will be rainproof in 2 hours after application (upon drying). Apply Ortho GroundClear Weed & Grass Killer on a warm . sunny day any time of the year when weeds are small and actively growing. Apply when the winds are calm. For best results . re-apply every 2 to 3 weeks while difficult to control weeds . such as perennial or more established weeds . may require several applications for complete control. Ortho GroundClear Weed & Grass Killer is OMRI listed. For organic gardening.