Applying Scotts Turf Builder Fall Lawn FoodFL to lawns in the early fall helps to replenish the nutrients grasses tend to lose in the summer. This grass fertilizer helps prepare lawns for the winter months and can help promote an earlier spring greening. Scotts Turf Builder Fall Lawn FoodFL assists lawns in building deep roots and fertilizes lawns for up to 3 months, right through the winter! Apply to all grass types with a Scotts broadcast/rotary, drop or Wizz spreader. Covers 5,000 sq. ft.