Dr. Earth 710 Organic 4 Azalea/Camellia/Rhododendron Fertilizer, 12-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 formula; superior buds and blooms; feeds for several months Exceptional results because nutrients are released quickly; feeds for several months Exceptional results because nutrients are released quickly Eight select strains of Ecto and Endo Mycorrhizae contribute to drought tolerance, enhanced nutrient availability and increased plant performance Provides optimum levels of essential plant nutrients; eliminates the need for chemical fertilizers when used as directed