Rootgrow Mycorrhizal Fungi - 360g

Boost your plants' health naturally with this mycorrhizal fungi treatment. The formula contains th...

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QVC UKYougarden Rootgrow Mycorrhizal Fungi 360G Pouch
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B&QB&Q - Rhs Approved Rootgrow Mycorhizal Fungi360G Pouch
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Product Information

Full details

Rootgrow Mycorrhizal Fungi is designed for gardeners and landscapers looking to improve the natural vigor and establishment of bare-rooted plants and trees. By colonizing the soil to create a symbiotic relationship with roots, this treatment significantly boosts nutrient uptake and drought resistance, ensuring plants thrive long-term; however, users should be aware that it is incompatible with specific plant families, including brassicas and ericaceous plants like rhododendrons and blueberries.

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FAQs

Can I use this on established plants?

Rootgrow is designed primarily for use at the time of planting to ensure direct root contact. It is most effective when applied to the root system during the planting process.

How many plants does the 360g pouch cover?

The 360g pouch is sufficient to treat up to 100 plants depending on the size of the root system and the planting hole.

Why shouldn't I use this on rhododendrons or blueberries?

These plants belong to the ericaceous family and have specific soil requirements that do not support the type of mycorrhizal fungi contained in this product.

Does this replace the need for fertilizer?

While it significantly improves nutrient uptake, it is a biological supplement. You may still need to follow standard horticultural practices for your specific plant varieties.

Is it safe to use with other soil amendments?

Yes, you can typically use it alongside compost or organic matter, provided you ensure the granules maintain direct contact with the plant roots.

Troubleshooting

Plants are not showing expected growth improvements.

Ensure the plant is not a species incompatible with mycorrhizal fungi, such as a rhododendron or brassica, as these will not form the necessary symbiotic bond.

Granules were applied but growth remains stunted.

Check if the granules had direct contact with the root system during the initial planting process; if the roots were not touching the granules, colonization may be delayed.

Pros and Cons

Pros

  • Significantly aids in the successful establishment of bare-rooted plants
  • Increases long-term plant robustness and drought resilience
  • Economical solution for large-scale landscaping or hedging projects
  • Biological approach that works naturally with soil ecosystems

Cons

  • Not compatible with brassicas, rhododendrons, azaleas, heathers, cranberries, or blueberries
  • Requires direct contact with roots to be effective during planting
  • Benefits are biological and require time to colonize, not an instant chemical fertilizer

Setup, Compatibility & Care

To use this product, simply open the 360g pouch and sprinkle the required amount of granules into the planting hole before inserting your plant. Ensure the roots are in direct contact with the granules to facilitate immediate colonization.

Important Compatibility Note: This product will not work with specific plant types that do not form mycorrhizal associations. Do not use on:

  • Brassicas (e.g., cabbage, broccoli, kale)
  • Ericaceous plants (e.g., rhododendrons, azaleas, heathers, blueberries, cranberries)

Store the pouch in a cool, dry place to maintain the viability of the fungal spores. Once opened, ensure the seal is tight to prevent moisture contamination.

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