Ortho GroundClear Super Weed & Grass Killer Spray, 24 oz. is a fast-acting solution designed to effectively eliminate all types of weeds and grasses. It absorbs on contact and begins working immediately, making it an i choice for use on patios, walkways, driveways, landscape beds, and beneath trees. This powerful formula can be applied any time of year when weeds are small and actively growing. Simply apply directly to the weeds to kill them down to the root, ensuring long-lasting results. Model Number: