Weeds can ruin a garden in a variety of ways. Weeds can hog all of the nutrients given out by your compost and soil， causing your plants， fruits and veggies to suffer as a result. Weeds can also crowd out your plants and confine them to a space that will not allow them to grow and flourish. Concern Weed Prevention Plus for Gardens uses the power of Corn Gluten to prevent weeds from sprouting and robbing your plants of valuable nutrients.Stop weeds and dandelions before they start with this natural product! The Concern Weed Prevention Plus harnesses the power of corn gluten meal (100%)， creating a powerful weed prevention fertilizer. Up to 90% effective weed control in the first year on dandelions and crabgrass. For use in flower gardens， vegetable gardens and in landscaped areas around trees， shrubs and ornamentals. Concern Weed Prevention Plus is composed of 100% granulated corn gluten meal. Children and pets can play on the lawn immediately after application. Since Concern Weed Prevention Plus kills only the root of sprouting seeds， it can be used with confidence around established plants， including transplants， flower beds， shrubs and roses. When your flower or vegetable sprouts have true leaves， it is safe to apply Weed Prevention Plus even up until the day of harvest.