How To Use Mushroom Compost In Garden 

  • Time to read: 5 min.

It’s easy to know how to use mushroom compost in garden once you know what it is.

how to use mushroom compost in garden

What Is Mushroom Compost?

Mushroom compost is a type of organic matter that is used as a soil amendment or fertilizer. It is made from decomposed straw, manure, and other plant materials that have been inoculated with fungi. This type of compost provides many benefits to plants, including improved drainage and aeration, increased water retention, and enhanced nutrient availability.

When used as a soil amendment, mushroom compost can help improve the structure of heavy clay soils and increase the porosity of sandy soils. It can also help to regulate moisture levels in the root zone and promote healthy plant growth. Mushroom compost can be applied to both indoor and outdoor gardens.

Where Can You Get Mushroom  Compost?

Mushroom compost is readily available from garden centers, nurseries, and online retailers and you can also make yours. Be sure to get mushroom compost that hasn’t been treated with chemicals or pesticides. Mushroom compost should be stored in a cool, dry place and used within one year of purchase.

10 Steps To Make Mushroom Compost

1. First, gather your materials. You will need a straw, coffee grounds, water, and mushrooms. 

2. Next, cut the straw into small pieces. This will make it easier to break down later on. 

3. Then, add the coffee grounds to the mix. 

4. Now, it’s time to add the mushrooms. 

5. After that, add some water to help everything break down evenly. 

6. Now, it’s time to let everything sit for a few days so the mushrooms can break down the straw and coffee grounds. 

7. Once everything has broken down, it’s time to add it to your garden beds or potted plants! 

8. Adding mushroom compost to your plants will help them to grow healthier and stronger. 

9. You can add it to any type of plant, including vegetables, fruits, and flowers. 

10. Be sure to add fresh mushroom compost to your plants every few months for the best results.

21 Ways To Use Mushroom Compost In Your Garden?

how to use mushroom compost in garden

Mushroom compost can be used in a variety of ways in the garden. It’s often used as a soil amendment or mulch. Mushroom compost can also be used to make a homemade potting mix.

1. Add it to your compost pile.

2. Use it as a mulch around plants, trees, shrubs, and flower beds. 

3. Incorporate it into the soil before planting.

4. Mix it with potting soil for indoor plants.

5. Spread it on the lawn as a top dressing.

6. Use it to make a Compost Tea.

7. Amend garden beds with mushroom compost before planting season 

8. Side-dress vegetable plants during their growing season for a nutrient-rich boost

9. Top dress perennial flowers and shrubs in springtime 

10. Incorporate mushroom compost into the top layer of your lawn before seeding or sod installation. 

11. Mix mushroom compost with equal parts sand to make a great drainage material for planters and pots. 

12. Use it to make a liquid fertilizer by soaking it in water for a few days. 

13. Make a compost tea by steeping mushroom compost in water for several weeks, then using the nutrient-rich brew to water plants. 

14. Add mushroom compost to your worm bin to help balance the carbon/nitrogen ratio.

15. Mix mushroom compost with peat moss or coir to make a lightweight potting mix for hanging baskets and container gardens.

16. Use mushroom compost to make a natural weed killer. Combine it with vinegar and water in a spray bottle.

17. Amend heavy clay soils with mushroom compost to improve drainage and aeration. When using mushroom compost as a soil amendment, it is important to mix it well to avoid creating pockets of anaerobic conditions that can harm roots. 

18. Amend sandy soils with mushroom compost to improve water retention and nutrients.

19. Make a slurry of mushroom compost and water to use as a root dip when transplanting seedlings and transplants.

20. Make a compost tea by steeping mushroom compost in water for a few days. Use it to water plants or as a foliar spray.

21. Store extra mushroom compost in a dry, cool place. Use leftover mushroom compost in the garden as fertilizer for houseplants.

Whether you’re using it as a soil amendment, mulch, or potting mix, mushroom compost is a great way to improve the health of your garden. The addition of mushroom compost can also increase the need for irrigation and fertilization, so be sure to monitor plants closely after application.

Where Should You Not Apply Mushroom Compost?

Mushroom compost should not be applied: 

  • To lawns
  • Within 2 feet of woody shrubs or trees
  • On slopes greater than 15 percent
  • In areas that stay wet for long periods

How to Apply Mushroom Compost?

1. Prepare the planting area by removing all weeds and grasses. If you are using mushroom compost as a top dressing, there is no need to remove existing vegetation.

2. Spread an even layer of mushroom compost over the planting area. A general rule of thumb is to use 1/2 pound per square foot. For garden beds, apply the compost to a depth of 3-4 inches. For top dressing lawns, apply a thin layer (1/4-1/2 inch) of compost.

3. Use a rake or hoe to work the compost into the top few inches of soil.

4. Water the area thoroughly after applying mushroom compost. This will help to break down any large particles and improve the infiltration of water and nutrients into the soil.

When using mushroom compost, it is important to avoid contact with skin and eyes as it can cause irritation. It is also best to wear gloves and a dust mask to avoid inhaling particles. 

What Time Of The Year Should You Apply Mushroom Compost?

Mushroom compost can be applied at any time of year. However, it is best to avoid applying compost to frozen or saturated soils. If possible, wait until the soil has thawed and is dry enough to till or work. 

Is Mushroom Compost Good For All Plants?

Mushroom compost is an excellent source of nutrients and moisture for plants. It can be used as a top dressing, side dressing, or mixed into the soil. Mushroom compost is especially good for seedlings, transplants, and young plants.

When using mushroom compost, it is important to remember that it is very high in nitrogen. This means that it should be used sparingly on plants that are not heavy feeders. Too much nitrogen can lead to leaf burn and other problems.


Mushroom compost is an excellent way to add nutrients and organic matter to the garden. It is advisable to apply mushroom compost in the spring or fall when the weather is cool and moist.

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