you should only use Hyvar X-L Herbicide on noncrop sites

eliminate them all with Shredder 2

it keeps them from coming back for months

It also eliminates current pest infestations when it's sprayed evenly throughout the area

Barrier Herbicide for Annual and Perennial Weeds Size:50 lb EPA Reg No 2217-675 you should only use HyvarHow Barrier Herbicide Works This fast acting herbicide contains imazapyr and glyphosate, two isopropylamine salts that not only kill weeds but also prevent them from growing for up to 12 months. With one application, Barrier Herbicide seeps into a weed's root system and stops its growth. It goes to work within days and provides residual control without the need to reapply the product on the same area. It also creates a vapor barrier in the uppermost