Coast of Maine Fish Bone Meal &ndash; Soil Amendment, Budding & Blooming, Calcium, Phosphorus Plant Food Fertilizer Excellent source of Calcium (18%) and Phosphorus (13%), making it ideal for budding and blooming plants. Promotes root growth, giving your plant a huge boost in nutrient up-take, speeding growth and increasing strength Granular size, which means it won't wash away when you water your plant like liquid nutrients do. Slow-release nutrients feed you plant consistently over weeks or months  no burning or saggy leaves from lack of nutrients! Good source of trace elements, which enhance your soil for maximum yield