Image for St. Augustinegrass and Centipedegrass is a selective herbicide for tough broadleaf and grassy weed control. It contains a highly effective herbicide for weed control in St. Augustine and centipede grasses. IMAGE for St. Augustine grass and centipede grass controls dollar-weed sandspur spurweed florida betony annual bluegrass (Poa annua) and many other problem weeds in St. Augustine grass and centipede grass turfs.