An exceptional organic fertilizer ideal for budding and blooming plants. Promotes root growth, giving your plant a huge boost in nutrient up-take, speeding growth and increasing strength. Made from dehydrated fish bones, it is an excellent natural source of phosphorus, calcium, and nitrogen. Granular size will not washaway when you water your plant. Slow-release nutrients feed your plant consistently over weeks or months. OMRI listed. (5-13-0) with 18% calcium.