GreenGro? Granular Plus is a microbe-rich product that has the highest concentration of beneficial ingredients on the market. GreenGro? Granular Plus is a blend of mycorrhizae, beneficial bacteria, kelp and humic. This highly effective and easy-to-use, all-in-one product will dramatically improve the health and vigor of your root systems. Same great formula as the Ultrafine blend, but intended for soil-based applications. GreenGro? mycorrhizae blend contains a diverse selection of endo mycorrhizal fungi and beneficial root colonizing bacteria. It creates a network of micro filaments and microbes that act as an extension of the plants? root system. GreenGro? Granular Plus can be applied at time of transplant for season-long lasting benefits. It is also a great ingredient in compost teas and soil mix.