Premixed for easy and effective weed control this weed killer starts to work in hours for use on unwanted vegetation it is absorbed by the leaves and moves throughout the entire plant above and below ground to destroy annual and deep rooted perennial weeds including grasses dandelions docks bindweed and thistles it is inactivated immediately on contact with soil and is then broken down by soil micro organisms to allow replanting do not use on lawns or other wanted plants