Espoma Organic Plant-Tone is the original all-natural organic fertilizer made from the finest quality organics available. Plant-Tone's natural organics break down gradually, providing a long-lasting food reservoir activated throughout the growing season. Plant-Tone's all-natural formula contains our proprietary Bio-tone Formula. Bio-tone enhances our natural organic fertilizer to ensure great plant growth. All natural 100% organic plant food. An all-purpose premium blend of natural ingredients. Excellent for preparing soil beds and an ideal starter plant food. Approved for organic gardening. 5-3-3 Fertilizer analysis.