Sedgehammer Plus offers a unique product concept in a more convenient packaging size while maintaining the same efficacy of nutsedge control that the market has grown accustom to with the SedgeHammer brand name. Sedgehammer Plus is a selective herbicide for post emergence control of sedges. Controlled Weeds: Purple and yellow nutsedge, Kyllings species and listed broadleaf weeds Use on: Established lawns, ornamental turfgrass and landscaped areas. Active Ingredient: Halosulfuron-methyl 5.0%