Scotts Turf Builder Southern Triple Action is a innovative 3 in 1 formula that prevents and kills fire ants for up to 6 months, kills stubborn weeds like dollarweed and 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), Carpetgrass, Centipede, and Zoysiagrass.