Keeps both annual and perennial weeds at bay the natural way, without harming your established plantings. Apply in spring and fall on your lawn and around flower and vegetable gardens, trees, shrubs and ornamentals to prevent a wide range of grassy and broadleaf weeds. Made from all-natural corn gluten meal, it only works on weeds before they’re a problem and will not damage your valuable trees, shrubs or flower beds. Ready-to-use hose-end applicator accurately dilutes the concentrate. 1 quart treats 1,000 sq. ft. Safe for transplants. Do not use on seeds.