This 100% Natural and Organic fertilizer contains a superior blend of cottonseed meal, fish bone meal, alfalfa meal, feather meal, mined potassium sulfate, kelp meal, seaweed extract and PRO-BIOTIC seven champion strains of beneficial soil microbes plus Ecto and Endo Mycorrhizae. Dr. Earth Products are the first combine beneficial living soil organisms with organic fertilizers to create their unique fertilizers. Ideal For: feeding rhododendrons camellias hydrangeas evergreens blueberries strawberries any other acid loving plant.