Scotts Turf Builder Southern Lawn Food is a fertilizer specially formulated for southern lawns. It includes Scotts All-in-One Particles to build strong, deep grass roots to protect against heat and drought. Safe to use on Southern grass. Apply the product to a wet or dry lawn during the growing season. Manufacturer recommends using a Scotts spreader to apply this product. For Scotts broadcast/rotary spreaders, use a setting of 3. For Scotts drop spreaders, use a setting of 6. If fast results are desired, lightly water the product in after application; however, watering is not required. Return unused product to original container, and sweep any product that lands on the driveway, sidewalk, or street back onto your lawn. Do not apply this product to warm season grass types within 1 month of first expected frost.