Preen Garden Weed Preventer Granules, 13 lb. are designed to help gardeners keep their flower beds and shrub areas from unwanted weeds. These granules work by preventing weed seeds from germinating when applied to bedding areas and watered in, ing protection for up to three months. This product is for use around flowers, shrubs, and all bedding areas, ensuring a cleaner and healthier garden environment. It is important to remove all existing weeds and grasses before application for results. The granules come in a convenient ready-to-use 13-pound pour bottle, which can cover up to 2,080 square feet, making it a practical choice for maintaining larger garden spaces. Model Number: