GOWAN USA LG5405 51516 SedgeHammer, 13.5g, White The number one selling nutsedge control product on the market - years of proven results. Easy to use - one packet makes one gallon of spray Controls nutsedge by moving through the plant and affecting the underground growing points (rhizomes and tubers) Pets and people can return to treated area once spray dries. It controls nutsedge after emergence in cool and warm season turfgrass (including St. Augustinegrass, Bermudagrass, Kentucky bluegrass, tall and fine fescue, and perennial ryegrass) Controls yellow and purple nutsedge and certain tough broadleaf weeds like horsetail. Controls yellow and purple nutsedge and certain tough broadleaf weeds like horsetail. Non Ionic Surfactant no longer needed. Also suppresses green kyllinga. Low use rate 13.5 grams per 1000 square feet. Controls nutsedge by moving through the plant and affecting the underground growing points (rhizomes and tubers). It controls nutsedge after emergence in cool and warm season turfgrass (including St. Augustinegrass, Bermudagrass, Kentucky bluegrass, tall and fine fescue, and perennial ryegrass) Considered as one of the more &#039;gentle to turfgrass&#039; products. Pets and people can return to treated area once spray dries.