Apply Scotts Turf Builder WinterGuard Fall Weed & Feed to your grass to build strong, deep roots for a better lawn next spring. Fall is the best time to feed with Scotts Turf Builder WinterGuard Fall Weed & Feed. This lawn fertilizer is formulated to deliver the nutrients lawns need in the fall, while repairing damage from the heat and drought of the summer and ensuring a better lawn in the spring. It delivers 100% nutrition in every granule, so your lawn gets all of the food with none of the filler, all the while killing weeds that prevent your lawn from becoming thick and strong. Feed in the fall for a better lawn next spring.