Bone meal is a tried &-true, natural source of readily available phosphorus & calcium. The early-season addition of phosphorus to your soil will promote strong root development, enhance early season growth, & give you superior blossoms & fruit at harvest time. Bone meal Breaks Down slowly, releasing nitrogen for robust growth throughout the season; It will not burn plants. Burpee bone meal is great for starting tomatoes & peppers & promoting healthy growth of root & bulb crops. It's ideal for new bedding plants, giving established gardens a boost, & keeping patio containers looking their best. Omri listed for Organic gardening.