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Bulk Bag Mushroom Compost

Mushroom compost is a nutrient-rich, versatile soil conditioner ideal for a wide range of gardening and landscaping applications. It helps replenish essential nutrients, improve soil structure, and promote healthy plant growth. It's also excellent for mulching and enriching compost mixes.

Why gardeners love it

  • Rich in essential nutrients, including calcium, magnesium, potassium, and phosphate

  • Easy to spread and incorporate into soil

  • Ideal for vegetable gardens, raised beds, and allotments

Bag size

  • Free UK deliveryFree delivery
  • 48 hour delivery48hr deliveryNext day from just £15
  • Kerbside deliveryKerbside deliveryOr nearest safe unloading point

Not sure how much you need?

Enter your measurements and we'll work out how much you need.

  • Produced in the UK
  • Peat free
  • Eco friendly
  • Recycled from local green waste

Complete your project

Bulk Bag Calculator

Instructions

  1. Measure the area. If you are filling a raised bed or container, make sure to measure the depth as well. For turf dressing, mulching, and the laying of new topsoil, please refer to our product guides for information on how deep to lay for these purposes.
  2. Make sure you have selected the correct measurement units for each dimension
  3. Select the product from the list
  4. Click “Calculate” to see how much you require.

Bulk Bag Results

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Product guide

Everything you need to know

Mushroom compost is a nutrient-rich, versatile soil conditioner ideal for a wide range of gardening and landscaping applications. It helps replenish essential nutrients, improve soil structure, and promote healthy plant growth.

Mushroom compost is a gardeners favourite! This highly organic matter is a by-product from the mushroom growing sector, and can be used effectively to help break up heavy soils and increase aeration in the soil.

It's really useful in vegetable patches and is great to add in if you're growing cabbage, broccoli, cauliflower, kohlrabi, Brussels sprouts and kale.

It's also useful as a soil conditioner for borders and to help roses, trees and shrubs. With a chalky base, it's alkaline in nature and makes an excellent mulch to boost the nutrients in your garden soil.

This compost is not suitable for acidic plants as this product is slightly alkaline. Avoid heavy use under rhododendrons, camellias, blueberries or plants which prefer acid conditions. For larger projects we recommend the bulk bags to ensure full coverage.

  1. Prepare the area  Remove weeds and large stones. Loosen the surface of the soil slightly if you’re mixing in the compost. 

  2. Apply generously  Spread mushroom compost across your beds or borders at a depth of approximately 5 cm (2 inches). For heavy-use areas or vegetable patches, you can go a little deeper (6-8 cm). 

  3. Mix or top-dress  For new beds, mix the compost into the top 10–15 cm of soil. For established beds, you can simply top-dress and let the organic matter work its way in. 

  4. Leave a small gap around stems/trunks  If applying around shrubs or trees, maintain a space of ~2 cm to allow airflow and avoid contact with bark. 

SizesBulk Bag 720 Litres

How it arrives

Our Mushroom Compost is delivered directly to your address via our trusted courier network. You can order in either small bags or large mushroom compost bulk bags. Every delivery will be kerbside or to the nearest safe, accessible point. 

Bulk bags are unloaded using the lorry’s tail-lift and moved with a pallet truck, so a hard, level surface is required. If you have any concerns about access or delivery conditions, please contact us on 01243 781730 before ordering so we can assess and advise. 

Once your order has left our depot, we’ll send tracking information, so you know when to expect its arrival. Please note that very large orders may come on more than one pallet depending on size and weight. 

Free Delivery on all orders over £100

  • Free delivery on all orders over £100
  • 48 hour delivery as standard, next day available from £15
  • Tracking details once your order is dispatched
  • Tricky access? Call 01243 781730 before ordering

Pairs well with

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Accredited and trusted

Our soils and composts are independently certified and tested, so you know exactly what you're putting in your garden.

FAQs

Yes our peat free composts and manure are produced from organic materials with no additives or chemicals added. Our cow manure compost is also produced from our own organic dairy herd!

At 5cm depth a 1m3 bulk bag (1000 litres) will cover 20 sq/m and a 0.75m3 (750 litres) bulk bag will cover 15 sq/m. Our bulk bag calculator can provide you with the right number of bulk bags to order based on the quantity of compost, topsoil, bark or mulch that you need.

We'd recommended that you use your products as soon as you can. If that's not possible, cover the bag with a plastic sheet and leave it no longer than a couple of days. Small bags can be left longer and used at a later date.

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