Bone meal is a wonderful food for bulbs and flowers. Our Happy Frog Steamed Bone Meal is fine-screened and designed to provide phosphorus necessary for all stages of plant growth and flowering. Bone meal also contains calcium which helps support strong cellular development in plants. Mycorrhizal fungi are included to help increase root efficiency, which may enhance nutrient uptake and water absorption. OMRI Listed and Registered CDFA Organic Input Material. Happy Frog Crafted For Organic Gardening.