· Create a weed barrier around your plants with Roundup Weed Barrier Granules· Prevents weeds and grasses for up to 8 months (see use directions for complete list of treated weeds)· Easy to apply - just sprinkle directly to the soil around listed ornamental landscape plants· Won't harm desirable plants, such as annuals, flowers & bulbs, and established trees & shrubs· One 5.37 lb. bag of Roundup Weed Barrier Granules covers up to 1,000 square feet