GREEN 150 is one of the most effective granular endomycorrhizal inoculants on the planet. It is packed with a complex matrix of beneficial organisms that promote amazing plant health and growth. Green 150 was formulated with the indoor gardener in mind.  Delivering multiple endomycorrhizal species and a variety of compatible bio-based organisms in one power packed product is the result of over 17 years in the business of commercially producing mycorrhizal fungi.