Scotts Turf Builder Grass Seed Fall Mix is an overseeding mix that thickens and strengthens to help prevent future weeds. The mix establishes quickly to help lawn recover from summer stress. Each seed is wrapped in a unique 4 in 1 WaterSmart PLUS Coating that absorbs 2x more water than uncoated seed, feeds with essential nutrients, and helps protect seedlings from disease. Grow Quicker, Thicker, Greener Grass. Guaranteed.