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Typically, gardeners don’t want fungus affecting their plants, but mycorrhizae is a type of fungus you actually want and should consider using for improved growth and health of your plants.


Mycorrhizae (pronounced my-cor-rye-zay) has a symbiotic relationship with plants. It attaches to the root system and feeds from the roots. As a result, the fungus forms a network of filaments that draw nutrients and water from the soil into the root system.  This network increases a plant’s absorption capabilities substantially.

Additionally, the mycorrhizal fungus can:mycorrhizae, mycorrhizal roots

  • Result in a vigorous and healthy plant
  • Accelerate rooting
  • Increase plant survival
  • Increase tolerance to drought and others stresses
  • Enhance flowering and fruiting
  • Reduce transplant shock
  • Better yields
  • Reduce erosion

Types and Applications of Mycorrhizae

There are two main types of mycorrhizae, ectomycorrhizae and endomycorrhizae, that work with specific types of plants. Ectomycorrhizae develops on evergreen tree, birch tree, and oak tree roots. Endomycorrhizae is the type needed for most types of plants, including annuals, vegetables, perennials, and most deciduous trees and shrubs. To cover a broad spectrum, some products meant for trees and shrubs include both endo- and ectomycorrhizae.

There are a few plants, like blueberries, azaleas, rhododendrons, and heaths, which cannot be colonized by the fungus. Here is a list of plants that can and cannot be colonized by mycorrhizae: Types of Mycorrhizal Plants 

Mycorrhizae turf, sod, grass


Adding Mycorrhizae at the Root

While mycorrhizal fungus is natural in the soil, disruption of the soil and use of pesticides have diminished the mycorrhizae that are naturally present.


It is especially beneficial to add mycorrhizae when transplanting trees and shrubs, to help them establish a strong, healthy root system.

5-Year Warranty

Cannor carries Myke® Tree and Shrub and when purchased with your tree or shrub, it is guaranteed for 5 years if you follow the Myke® Planting Guide. If your tree or shrub does not survive after the first year, you can return it to Cannor along with the proof of purchase and receive a credit of equivalent value. Myke® products should be stored in a cool, dry place without exposure to freezing temperatures.

Cannor also stocks Myke® Pro products for different applications including turf, flowers, vegetables, trees, and shrubs on a larger scale but without the 5-year warranty. In this case, you will only get Cannor’s 1-year warranty.  

There are some fascinating studies about the benefits of adding mycorrhizae to your roots!  Read More:  Mycorrhizae Efficacy Studies