A composting bin

Can I put mushroom in my compost bin?


You can put mushroom into your composting bin!

Key info
Brown material📂
1-2 weeks

Get the right balance of brown and green composting materials in your bin with our expert guide.

The Amazing Composting Potential of Mushrooms

Mushrooms, whether it be the peelings, stalks, or whole mushrooms, hold incredible potential when it comes to composting. These fungi are rich in nutrients and contribute to the overall balance of your compost pile. They break down relatively quickly, aiding in the decomposition process and helping to create nutrient-rich compost.

Composting Mushroom Peelings and Stalks

When you have leftover mushroom peelings and stalks from your culinary endeavors, rejoice! These kitchen scraps are ideal for composting. Due to their relatively soft nature, mushroom peelings and stalks decompose rapidly, providing a boost to the microbial activity in your compost pile. They add valuable moisture and organic matter, facilitating the breakdown of other materials within the compost heap.

The Role of Whole Mushrooms in Composting

While it may take a little longer, composting whole mushrooms is indeed possible and highly beneficial. The caps and stems of whole mushrooms contribute to the overall diversity of materials in your compost pile. The decomposition process of whole mushrooms may require a slightly extended time, but rest assured, it is still a relatively speedy process compared to other organic materials.

Managing Tough and Woody Mushrooms

In some cases, you may come across tougher, woody mushrooms, such as birch polypores, in your garden or foraging endeavors. These mushrooms, with their resilient caps, can take longer to decompose. To expedite their breakdown, ensure that they are adequately moist. By providing sufficient moisture, you create an environment conducive to the decomposition of these more robust mushroom species.

Dealing with Mushroom Spores

One consideration when composting mushrooms is the potential for spore propagation. Mushroom spores can germinate and become unwanted guests in your compost heap. We recommend removing the mushrooms early, before the spores have a chance to accumulate and spread. This proactive approach helps maintain control over the composting process and prevents the sprouting of mushrooms from unwanted spores.

Incorporating Mushrooms into Your Composting Routine

Now that we have established the viability of composting mushrooms, let's explore how you can incorporate them into your composting routine effectively. With these simple steps, you'll be well on your way to maximizing the benefits of mushroom composting.

Step 1: Collecting Mushroom Scraps

Collect any leftover mushroom peelings, stalks, or whole mushrooms from your kitchen or garden. Remember to remove any unwanted spore sources and focus on obtaining fresh, high-quality mushrooms for composting. Aim to gather a sufficient amount that will contribute to the overall balance of your compost pile without overwhelming it.

Step 2: Cutting or Chopping Mushrooms

If you have whole mushrooms, consider cutting or chopping them into smaller pieces. This process significantly increases their surface area, allowing for a faster breakdown. Smaller mushroom pieces also integrate more seamlessly with other organic materials in the compost pile, ensuring efficient decomposition.

Step 3: Layering and Mixing

When adding the mushroom scraps to your compost pile, it is important to layer and mix them appropriately. Alternate layers of mushroom scraps with other organic materials, such as vegetable peelings, yard waste, and shredded paper. This layering promotes airflow and helps balance the carbon-to-nitrogen ratio in your compost, facilitating optimal decomposition.

Step 4: Moistening the Compost

Maintaining adequate moisture levels in your compost pile is crucial for successful decomposition. Mushrooms thrive in a moist environment, so ensure that your compost remains damp but not waterlogged. Regularly monitor the moisture content and adjust as needed by adding water or dry materials accordingly.

Step 5: Turning the Compost

To accelerate the composting process and ensure even decomposition, regularly turn your compost pile. This helps distribute heat, oxygen, and moisture throughout the pile, promoting the growth of beneficial microorganisms responsible for breaking down the organic matter, including mushrooms.


In conclusion, the answer to the question, "Can I compost mushrooms?" is a resounding yes. Mushrooms, whether it be the peelings, stalks, or whole fungi, contribute to the richness and diversity of your compost pile. By following our comprehensive guide on incorporating mushrooms into your composting routine, you can make the most of these fantastic fungi and create nutrient-rich compost for your garden. Embrace the benefits of mushroom composting and join us in the journey towards sustainable waste management.

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