Whitetail Institute Arrest Max Grass Food Plot Herbicide, 1 Pint (1 Acre) SPECIFICALLY developed for food plots Controls a BROAD RANGE of annual and perennial grasses Safe for use with WHITETAIL INSTITUTE perennial forages and with ANY OTHER clover or alfalfa plantings Spray once grasses are actively growing in the spring or summer NEW chemistry is MORE EFFECTIVE on a broader group of grasses