Scotts Turf Builder Southern triple action is a innovative 3in1 formula that prevents and kills fire ants for up to 6 months, kills stubborn weeds like dollar weed, clover and feeds and strengthens your lawn against Southern stresses like heat and drought Scotts Turf Builder triple action south is for use on southern grasses, like St Augustine including Floratam, Carpet grass, Centipede and Zoysia grass