Bone meal naturally rich in calcium and phosphorus. Easy, natural way to add phosphorus whenever your garden plants need it. Traditional plant food used when planting tulips, daffodils, freesia, crocus, anemones, gladiolus, and other bulbs. Use it anywhere plants need phosphorus for strong roots, abundant fruit, and colorful flowers. High grade, organic plant food that is particularly rich in phosphorus and calcium. Because it is not highly processed, it retains much of its original nitrogen for added plant nutrition. 6-12-0 formulation.