Martha Stewart MTS-STFRT-8LB Premium Organic Mycorrizae Starter for Flowers, Vegetables, Trees, and Shrubs | 8-lbsBoost your roots with the Martha Stewart organic Starter Plant Food. Specifically formulated to boost initial plant growth, help roots thrive, and protect against transfer loss, this blend of organic ingredients will help your garden bloom. Containing microbes, mycorrhizae and no fillers or sludges, the natural organics break down gradually to provide a safe, long lasting food reservoir throughout the growing season.