Dr. Earth 830 Organic 10 Palm/Tropical/Hibiscus Fertilizer, 50-Pound Organic 10 palm, tropical and hibiscus fertilizer A superior blend of feather meal, fish bone meal, mined potassium sulfate, magnesium sulfate, cottonseed meal, seaweed extract Pro-Biotic seven champion strains of beneficial soil microbes plus ecto and endo mycorrhizae Comes with 50-pound