Pro-Mix BX with Mycorrhizae contains a beneficial mycorrhizal inoculum, Glomus intraradices, that attaches to and colonizes root systems, forming a beneficial relationship with plants. This boosts nutrient availability, reducing the risk of hazards associated with transplanting, and the plant returns the favor by providing soluble sugars to the fungus. Pro-Mix BX with Mycorrhizae is suitable for most vegetable transplants and wide variety of plant species. Pro-Mix BX is a general purpose peat-based growing medium with vermiculite and perlite, used for the cultivation of a wide variety of plant species.