Scotts Turf Builder WinterGuard Fall Lawn Food. Builds strong, deep roots for a better lawn next spring. Fall is the best time to feed. Delivers nutrients that help repair damage from heat, drought, and activity. Improves lawn's ability to absorb water and nutrients vs. an unfed lawn. Apply to any grass type. Apply Scotts Turf Builder WinterGuard Fall Lawn Food this fall to deliver nutrients needed to repair your lawn from the wear and tear of the summer AND to help ensure a stronger lawn next spring. Fall is the best time to feed with Scotts Turf Builder WinterGuard Fall Lawn Food. It builds strong, deep roots for a better lawn next spring. The lawn food is formulated to deliver the nutrients lawns need in the fall to repair damage from the heat, drought and activity of the summer, ensuring stronger grass in the spring. Not available in FL.