Preen Garden Weed Preventer Granules, 5.6 lb. is an effective solution designed to stop weed seeds from germinating, helping you maintain a beautiful, weed- garden. Simply spread the granules on your flower beds, shrubs, and all other bedding areas, then water them in to protect your garden from weeds for up to three months. This product requires that all existing weeds and grasses be removed before application to ensure maximum effectiveness. Conveniently packaged in a ready-to-use 5.6 lb. pour bottle, it covers up to 900 square feet, making it for maintaining a healthy and attractive garden space. Model Number: