Exposing the Mycorrhizae Scam: How to Best Boost Your Garden’s Health!

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Gardening is an art that balances knowledge with a touch of nature’s mystery. Among the many aspects of gardening, the role of mycorrhizae has gained a lot of attention.

The mycorrhizal associations do play an important role in the garden, there is no disputing that. These fungi form a symbiotic relationship with plant root systems, aiding nutrient uptake and water absorption.

However, the common practice of purchasing manufactured mycorrhizae for garden use deserves a much closer look.

plants growing in a forest, dark background and small green plants with sun shining through

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Do they help develop a mutually beneficial relationship with the land plant’s roots? 

Define Mycorrhizae

Mycorrhizae are a type of fungi that form a partnership with the surface area of plant roots. Mycorrhizal fungal filaments in the surrounding soil are like extensions of root systems and are more effective at nutrient and water absorption than the roots themselves. 

Think of them as helpful underground friends for plants. When they connect with the roots, they create a network that helps the plant absorb more water and essential nutrients from the soil.

mycelium of fungi in the forest, the natural development of mycelium in the forest biosphere

This partnership is beneficial for both the plant communities and the fungi: the plants get extra help in getting what they need to grow, and in return, the fungi get some of the sugars and nutrients the plant makes.

This teamwork between mycorrhizae and plants is really important for healthy plant growth.

Understanding the Different Benefits of Mycorrhizae

Firstly, it’s essential to recognize that garden soil is not just dirt. It’s a living, breathing ecosystem teeming with microscopic life, and fungal species, including vast amounts of mycorrhizae.

These fungi are naturally present if your garden is host to plant life. Any plant life, including weeds.

This leads to an important question: is adding more mycorrhizae necessary, or could it be an overzealous step that helps drain your wallet without benefiting your garden?

Cottage Garden Flowers you can grow

The Diversity of Mycorrhizal Fungi

Manufactured mycorrhizae typically consist of two or three types of fungi. This seems rather limited when you consider that a single scoop of healthy garden soil can contain hundreds, if not thousands, of different mycorrhizal species.

Many of these species have developed to form unique relationships with specific plants. Thus, the limited variety present in commercial products might not be the perfect match for the diverse needs of your garden’s plants.

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The Fragility of Manufactured Mycorrhizae

Another critical aspect is the delicate nature of these fungi. Mycorrhizae are heat-sensitive, meaning their viability can be compromised if the product is exposed to high temperatures during transport or storage.

This uncertainty raises a valid concern: are you purchasing a bag of active, beneficial fungi, or just a collection of dead organisms?

Scientific studies have shown that there are no significant benefits seen with most commercially available fungi at present.

Study: Global evaluation of commercial arbuscular mycorrhizal inoculants under greenhouse and field conditions.

The Risk of Adding Adding Mycorrhizae to Soil

The species of mycorrhizae found in manufactured products are often sourced from environments vastly different from your garden’s ecosystem.

Introducing foreign biological species into a local environment can disrupt the delicate ecological balance.

This disruption could potentially inhibit the growth of native mycorrhizal species that you want your plants to naturally adapt to or rely on.

The Best Mycorrhizae for Your Garden

Given these considerations, the necessity of buying mycorrhizal fungi for your garden comes into serious question.

Who are we to mess with nature and its wisdom? Nature has equipped your garden soil with a complex and diverse community of mycorrhizae, perfectly attuned to the local environment.

By understanding and respecting this natural balance, gardeners can skip the addition of commercial mycorrhizal.

The best mycorrhizae for your garden is the native one already present! Build on that. The plant benefit is amazing.

Related: Stop Fertilizing, Feed the Soil Instead!

​A Natural Approach to Gardening

Instead of reaching for a bag of manufactured fungi, consider focusing on practices that support the health and diversity of your soil’s native microbial life.

This includes:

Organic Matter Addition:

Regularly adding compost or other organic matter can enrich soil health, nurturing a vibrant ecosystem for native mycorrhizal.

Enhancing soil nutrients by adding compost and organic matter is an economical way to increase the natural ability of the roots of a plant with the uptake of nutrients.

all the best garden tips

Composting 101!

That is because adding compost increases the native mycorrhizae already present. Which in turn, increases nutrient availability to the root zone and water uptake without introducing undesirable elements.

Reduced Soil Disturbance:

Minimizing tilling and digging helps preserve the intricate network of mycorrhizal fungi in the soil. Plus you get the benefit of less soil compaction. 

Avoid pulling up spent plants but instead cut them off at the soil level and let the roots rot naturally.

Diverse Planting:

Cultivating a variety of species of plants can encourage a rich diversity of mycorrhizal species, each benefiting different plants in unique ways.

Trusting Nature’s Balance

In conclusion, while the lure of quick-fix gardening solutions is understandable, the natural complexity and durability of your garden’s ecosystem often provide what your plants need.

By embracing and nurturing this natural harmony, gardeners can cultivate a thriving garden that’s both sustainable and in tune with the local environment.

So, the next time you consider purchasing mycorrhizal fungi, remember: that nature might have already done the work for you!

Happy Natural Gardening!

Hi, I’m Pamela

I am a 40-year master gardening enthusiast who loves to share the simple tips, tricks, and inspiration I have learned from personal experience.
My goal is to cultivate the love of gardening and help make your gardening life more enjoyable!
a Garden Friend!

Source: Mycorrhizae: What the Heck Are They Anyway?

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