The key to healthy plants starts with Plant Success PRPSGW04 Great White premium mycorrhizae powder. This water soluble concentrated formula contains 15 different species of mycorrhizal fungi, 19 different species of beneficial bacteria, two species of trichoderma, plant vitamins, and glycine all in one product. Giving plants the tools they need to maximize yields, this Great White formula will ignite powerful root growth, fruiting and flowering, increased nutrient and water absorption, and improved transplant success. Most advanced mycorrhizal product on the market today! This item cannot be shipped to Hawaii.