The Earth Science Natural Bone Meal Plant Food is an excellent organic source of phosphorus for all types of plants. The bone meal plant food improves early establishment, encourages development of strong root systems and promotes flowering. This plant food is an excellent supplement for any plant, but especially well suited for bulbs, flowers and roses. Excellent organic source of phosphorous (2-17-0 NPK) Promotes root development and early growth Helps seedlings get off to a great start Ideal for bulbs, flowers and roses Feed and grows naturally 100% guaranteed with proof of purchase 4 lb. pouch