E.B. Stone Cottonseed Meal is a source of long lasting, natural nutrients. Cottonseed Meal is naturally acidifying in the soil and is recommended for use when acidifying soils and feeding plants like rhododendrons, azaleas, camellias, hydrangeas, blueberries and other plants that prefer acidic soil conditions. In the vegetable garden it is also useful for slow growing root crops. NPK: 4-4-2 Contains: Cottonseed Meal.