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Rootgrow Mycorrhizal Fungi 60g - 1kg Packs


In a nutshell....

Mycorrhizal fungi increase a plants drought resistance and vigour by building a network of hyphae around the plant and transporting moisture and minerals to the roots. Mycorrhizal fungi spores are added as a powder at planting time to the benefit of a broad range of fruit and vegetable crops. Available in 3 sizes.

Pack Size

Mycorrhizal fungi from Rootgrow is available in 3 different pack sizes; 60g, 150g, and 360g. You can choose above using the 'Pack Size' tab. Endorsed by the RHS.

What Are Mycorrhizae?
“Mycor” – “rhiza” literally means “fungus” – “root” and defines the mutually beneficial relationship between the plant and root fungus. These specialized fungi colonize plant roots and extend far into the soil. Mycorrhizal fungal filaments in the soil are truly extensions of root systems and are more effective in nutrient and water absorption than the roots themselves. More than 90 percent of plant species in natural areas form a symbiotic relationship with the beneficial mycorrhizal fungi.

Are They Important?
Mycorrhizal fungi increase the surface absorbing area of roots 100 to a 1,000 times, thereby greatly improving the ability of the plant to access soil resources. Several miles of fungal filaments can be present in less than a thimbleful of soil. Mycorrhizal fungi increase nutrient uptake not only by increasing the surface absorbing area of the roots, but also release powerful enzymes into the soil that dissolve hard-to-capture nutrients, such as organic nitrogen, phosphorus, iron and other “tightly bound” soil nutrients. This extraction process is particularly important in plant nutrition and explains why non-mycorrhizal plants require high levels of fertility to maintain their health. Mycorrhizal fungi form an intricate web that captures and assimilates nutrients, conserving the nutrient capital in soils.

Do You Need Them?
Undisturbed soils are full of beneficial soil organisms including mycorrhizal fungi. Research indicates, however, many common practices can degrade the mycorrhizae-forming potential of soil. Tillage, removal of topsoil, erosion, site preparation, compaction, fumigation, invasion of weeds and leaving soils fallow are some of the activities that can reduce or eliminate these beneficial soil fungi. Scientific studies indicate endo mycorrhizal fungal populations are slow to recolonize, unless there is close access to natural areas that can act as a source of mycorrhizal spores to repopulate the affected area. Reintroducing mycorrhizal fungi in areas where they have been lost can dramatically improve plant performance with less water and fertilizer and at a reduced cost.

Write a Review
January 22nd, 2018
I use this to inoculate the roots of all trees and fruit bushes that I plant in the garden. I have not done any side by side testing but from my own experience I believe it gives better growth rates and a very high survival rate for new plantings.
Ask a Question
Asked By Jonathan Wilson
on January 11th, 2020
can you use this in a foliar spray?
Answered by Niall
on January 13th, 2020
Hi Jonathan They are best used for the soil. I would probably suggest Garlic wonder as a better foliar spray Regards Niall Quickcrop
Asked By Joe Hogan
on October 19th, 2018
Can rootgrow be added after transplanting roses ?
Answered by Niall
on October 22nd, 2018
Yes Joe and it works really well when done this way Regards Niall Quickcrop
Asked By Sarah
on June 10th, 2018
How many grams of this product do I use per tree please?
Answered by Andrew
on June 11th, 2018
Hi Sarah. The dosage of rootgrow mycorrhizal fungi depends on the size of the plant it is used for. If you are planting a potted tree (which presume you are at this time of year) you will need 120 ml per 25L pot.
Asked By Louis K
on May 13th, 2016
Can you provide a list of the types of spores that this pack contains? For example: Glomus intraradices, Glomus mosseae, Glomus aggregatum, Glomus etunicatum. I can save on shipping the following product to Ireland if this one has a good variety of mycorrhizal fungi.
Answered by Andrew
on May 13th, 2016
Hi Louis. Rootgrow contains arbuscular mycorrhizal fungi and ectomycorhizal fungi. I hope this answers your question. Andrew

Quickcrop European deliveries

All Standard Quickcrop Deliveries only €3.95, heavy goods deliveries only €9.95

All our deliveries are only €3.95 no matter how many products we deliver anywhere in Ireland. For heavy items like ponds or furniture we charge only €9.95 per complete order. We also deliver to the UK and other European countries, please see our delivery rates below. Our flat delivery rate is an absolute bargain and is far cheaper than any of our competitors, please take this into account when comparing product prices.


Quickcrop Deliveries

Heavy goods deliveries
For heavy furniture or pond deliveries we charge an extra €5.00 to our standard delivery rate. Our rates below are our standard rates, please add €5.00 for heavy goods. All delivery rates are automatically added to your order when you add a product to your cart.

Where do we deliver to?
We deliver nationwide to the island of Ireland, the U.K., Austria, Benelux Countries, France, Germany and Switzerland. Please see our delivery rates below:

€3.95 - The Island of Ireland

€12.95 - The United Kingdom (Highlands and Islands may incur a surcharge, please contact us on 353 1524 0884 for details)

€14.95 - Austria, Belguim, The Netherlands, Luxembourg, Denmark, France, Germany, Switzerland.

How long does it take?
Stock permitting we aim to dispatch your goods within 2 working days of receiving your order. However with our wood products please allow 10 to 14 days for delivery plus due to delays in courier services add another 2 - 3 days for Irish and UK orders, and up to 8 working days for other European destinations.

What If I'm not in at time of delivery?
The driver will leave a note with the depot contact number. Delivery can be arranged for the next day or a later date.

I'm ordering several items, do they all arrive at the same time?
All items dispatched at the same time will normally be delivered in one delivery. The exceptions are bulk bags of soil or compost which comes in a separate delivery using a different delivery company and raised beds kits which may arrive in two separate deliveries.

What if my parcel is damaged or I wish to return the goods I have ordered?
Contact our office on 01 524 0884 and we will arrange collection and refund or replacement of faulty or damaged goods.

If you wish to return goods for any reason other than damaged or faulty items please return the item to us at the following address and we will organise a refund. Goods must be undamaged and in their original packaging. Please take care when parceling returned goods to ensure it reaches us in good condition.

Our returns address is: Quickcrop ltd., Unit 4, Ballymote Industrial Estate, Ballymote, Co.Sligo.


If you are unsure about any aspect of our delivery service we're always delighted to take your call in the office on: 01 524 0884

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Rootgrow Mycorrhizal Fungi 60g - 1kg Packs
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