Get a deeper-green lawn in just 3 days. With its 2-in-1 formula, Scotts Green Max Lawn FoodFL fertilizes your grass and provides it with an additional iron supplement to give your yard a deeper green in three days. Apply using a Scotts broadcast, rotary, drop or Wizz spreader to up to 14,000 sq. ft. of lawn. Safe to use on any grass type, Green Max Lawn FoodFL feeds for up to three months.