Every pill of Osmocote 14-14-14 contains the same homogenous NPK nutrients, no minor added. Ideal for foliage plants, annuals, perennials, beds, greenhouse, container nursery stock, and propagation. A special resin coats each Osmocote pill in varying thicknesses to provide a steady, ongoing release of key nutrients throughout the growth cycle. One application is all it takes, release prompted by the changing temperature of the growing medium. Top-dress or incorporate into soil. Has a slow release effect for 3-4 months. Active ingredients: Ammonium Nitrate, Ammonium Phosphate, Calcium Phosphate, Potassium Sulfate, Nuisance Dust. 50 lb. bag.