Dr. Earth 703P Organic 4 Azalea/Camellia/Rhododendron Acid Fertilizer in Poly Bag, 4-Pound 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 Mycorrhiza It is great for many projects in the garden, including use as an amendment for planting ornamental trees, shrubs, and bare root planting Feed Rhododendrons, Camellias, Hydrangeas, Evergreens, Blueberries, Strawberries, and all acid lovers Contains pro-biotic, seven champion strains of beneficial soil microbes plus ecto and endo mycorrhizae Makes soil more acidic; 100-percent natural and organic; superior buds and blooms Exceptional results because nutrients are released quickly; feeds for several months Eight select strains of ecto and endo mycorrhizae contribute to drought tolerance, enhanced nutrient availability and increased plant performance 100-Percent organic formula provides optimum levels of essential plant nutrients; eliminates the need for chemical fertilizers when used as directed