Don't let nutsedge take control of your lawn. Ortho Nutsedge Killer for Lawns Ready-To-Spray controls over 50 tough weeds, including purple and yellow nutsedge (nutgrass), kyllinga, wild violet, dollarweed, dandelion, purslane, spurge and other listed sedges and broadleaf weeds. This ready-to-spray formula kills pesky weeds, not your lawn and may be used on both well established cool-season grasses and warm-season grasses.