Product description Espoma Organic Bone Meal, 4.5lbs This 4.5 lb bag of Espoma Organic Bone Meal is an all natural and organic source of phosphorus and nitrogen. This combination will help develop sturdy roots and stimulate plant growth. Bone meal is an ideal supplement for pansies, bulbs, flowers, and roses. Approved for organic gardening. From the Manufacturer Bone Meal is a by-product from meat (rendering factories). It consists of ground animal bones that have been cooked and sterilized, and then ground into a meal. Espoma� Bone Meal is the finest bone meal available. Bone meal helps develop sturdy root systems and stimulates plant growth. Espoma� Bone Meal is an ideal supplement to fertilizers for bulbs, flowers, and roses. It is all natural and approved for organic gardening.