True Organic Plant Food is blended from natural & organic farm-grade ingredients proven to be extremely beneficial for both plants and soil. This exclusive blend is derived from poultry manure, seabird guano, fish bone meal, sulfate of potash, crab shell meal, shrimp shell and soybean meal. It can be used with in-ground and container plants. Apply monthly during the growing season. 4 lbs. covers up to 87 sq. ft.