Green Thumb, 15,000 SQFT Coverage, 32-0-10 Winterizer, Easy To Use, Helps Lawns Survive The Winter Stress, Encourages AStronger, Deeper Root System, Thick, Green Lawn This Fall & Quicker Spring Green Up, 2% Iron For Deep Greening, 50% Controlled Release Nitrogen, Continuously Feeds For Up To 16 Weeks.