IMAGE® herbicide targets the toughest southern weeds, including yellow and purple nutsedge, dollar weed, wild onion and annual blue grass. Contains a patented ingredient that starves weeds to death. Kills nutsedge in warm season grasses. Kills tough weeds, including nutsedge, dollarweed, wild onion, sandbur, and annual bluegrass. Can be used safely on most southern grasses, see label for specifics.