This product is a non-selective herbicide for controlling a wide range of annual and perennial weeds and grasses. It is recommended only for non-crop land areas such as railroad rights-of-way and industrial areas. This is a strong sterilant that works quickly to kill weeds in an area and keep them away for over a year.This product is twice as strong as the Weed Blast 4GThis product is a non-selective herbicide for controlling a wide range of annual and perennial weeds and grasses. It is recommended only for non-crop land areas such as railroad rights-of-way and industrial areas. This is a strong sterilant that works quickly to kill weeds in an area and keep them away for over a year.Please read label carefully before use-this product will kill trees