Roundup, 32 oz, concentrate, for use on Northern grasses. Kills weeds not the lawns. Destroys the hard-to-kill lawn weeds like crabgrass, clover, and yellow nutsedge - all in one formula. Kills over 250 types of weeds. The fastest lawn weed killer ever - starts working immediately. Kills the root. Guaranteed. Active Ingredients: MCPA, Quinclorac, Dicamba & Sulfentrazone. Not available in NY, Syfentrazone restriction.