True Organic Herb & Leafy Greens Food helps promote abundant organic herbs and leafy greens. This exclusive blend is derived from Poultry Manure, Seabird Guano, Sulfate of Potash, Soybean Meal, Fish Bone Meal, Crab Shell Meal and Shrimp Shell. It can be used with in-ground and container plants. Apply monthly during the growing season. 4 lb. bag covers up to 70 sq. ft.