Great White Granular 1® – Single Species Mycorrhizae


Great White Granular 1 is the most affordable organic, mycorrhizal product in the marketplace.  It is well-suited for use in vegetable, fruit and flower gardens.  Great White Granular 1 adds beneficial microorganisms to the root zone to enhance plant vigor. It is OMRI listed as well as OIM registered.

How to use: Use on vegetables, fruits, flowers, shrubs and trees.

  • Transplants: Spread product at bottom of planting hole and around roots when backfilling.
Container size Amount of Great White Granular 1®
4″ 1 tsp
1 gallon 2 tbsp
5 gallon 10 tbsp
15 gallon or larger 1 cup

*1 tsp = 5 g
**1 Tbsp = 15 g

  • Mixing with Soil
    Mix 8 oz with 2.5 cu ft of soil or 150 g with 50 L of soil.
  • Existing Plants
    Make holes 2-3 in deep and 6 in apart around the canopy of the plant. Use 1 tsp per hole for optimal performance.

*The key is for the product to make contact with the root system.
**It is OK to use more than the recommended rate.

Endomycorhizae
Glomus intraradices – 132 propagules per gram