Preen 21.45 lb. Extended Control Weed Preventer. It covers 3,500 sq. ft. One application blocks weeds up to 6 months guaranteed. Keeps 125 broadleaf and grassy weeds from sprouting. Use around more than 600 perennials, groundclovers, shrubs, and trees as listed on the product label. Not intended for use on flower seeds, lawns, vegetable gardens, water gardens, or other food-producing or edible plants.

• 21.45 lb. bag
• Covers 3,500 sq. ft.
• One application blocks weeds up to 6 months guaranteed.
• Keeps 125 broadleaf and grassy weeds from sprouting.
• Use around more than 600 perennials, groundclovers, shrubs and trees as listed on the product label.
• Not intended for use on flower seeds, lawns, vegetable gardens, water gardens or other food-producing or edible plants.