How to Pick Mushrooms From Cow Poop

Mushroom picking can be an exciting and rewarding hobby for nature enthusiasts. While mushrooms can be found in various environments, one peculiar and fruitful source is cow dung. Although it may sound unconventional, cow manure provides an ideal substrate for mushrooms to grow. However, it is crucial to exercise caution and knowledge when foraging for mushrooms to ensure safety. In this article, we will explore the process of identifying and safely picking mushrooms from cow poop.

picture of mushroom that grows in cow poop

The Fascinating World of Mushroom Foraging

Mushrooms have captivated humans for centuries due to their unique shapes, colors, and flavors. Foraging for mushrooms in the wild allows us to connect with nature, learn about different species, and enjoy the culinary delights they offer. While forests and meadows are common places to find mushrooms, cow dung presents a surprisingly fruitful environment for mushroom growth.

Identifying Safe Mushrooms in Cow Dung

Understanding Coprophilous Fungi

Coprophilous fungi, as the name suggests, thrive in fecal matter, including cow dung. These fungi play an essential role in breaking down organic material and recycling nutrients in the ecosystem. They have adapted to the specific conditions found in animal droppings, making them well-suited for growth in cow manure.

Types of Mushrooms That Grow in Cow Dung

Several species of mushrooms can be found in cow dung, each with its own characteristics. Some common examples include Psilocybe cubensis, Coprinus comatus, Agaricus campestris, and Panaeolus subbalteatus. It’s important to familiarize yourself with the appearance and distinguishing features of these mushrooms to ensure you can identify them correctly.

Differentiating Edible and Poisonous Varieties

While some mushrooms growing in cow dung are edible and delicious, others can be toxic or hallucinogenic. It is crucial to have a comprehensive understanding of the mushrooms you intend to pick. If you are uncertain about a particular species, it is always best to err on the side of caution and avoid consuming it.

Safety Precautions for Picking Mushrooms from Cow Manure

To ensure a safe and successful mushroom foraging experience, it is important to follow some essential safety precautions.

Choosing the Right Environment

When seeking cow dung for mushroom picking, look for fields or pastures where cows graze or have recently grazed. Cow manure that is relatively fresh and has not been treated with chemicals provides the most suitable habitat for mushrooms to grow.

Timing and Moisture Requirements

Mushrooms thrive in humid environments, so it is best to forage after a heavy rain. Wait for at least 12 to 36 hours after rainfall to allow the mushrooms to grow. This timing ensures optimal moisture levels and increases the chances of finding mature mushrooms.

Appropriate Attire and Equipment

Before entering the pasture, put on rubber boots to protect your feet from wet grass and cow manure. It is also recommended to wear gloves to prevent direct contact with the mushrooms and any potential irritants or toxins present.

To cover the area effectively, walk through the field in a grid-like pattern. Pay special attention to shaded areas and spots with tall grass, as mushrooms tend to grow in these locations. Fresh cow piles are unlikely to yield mushrooms; instead, focus on older piles that have dried and settled into the grass.

Harvesting Mushrooms: Techniques and Best Practices

Collecting Mushrooms

When you spot a mushroom, carefully snip its stem with scissors, leaving about a 1/2-inch portion attached to the base. By doing so, you allow the cow pile to continue producing more mushrooms for future harvests. Collect the mushrooms in a basket or a breathable bag, ensuring proper ventilation to prevent spoilage.

Handling and Transporting Mushrooms

Handle the mushrooms gently to avoid damage or bruising. Keep them separate from other harvested mushrooms to prevent cross-contamination. Place them in a cool and breathable container, such as a paper bag, for transportation.

Identifying Mushrooms at Home

Once you have gathered your mushrooms, it’s time to identify them accurately. Use field guides, mushroom identification books, or consult knowledgeable experts to determine the species. Proper identification is crucial for distinguishing between edible and potentially harmful mushrooms.

Potential Risks and Precautions

While mushroom foraging can be an enjoyable activity, it’s important to be aware of potential risks and take necessary precautions.

Poisonous Mushrooms and Their Dangers

Some mushrooms growing in cow dung can be poisonous and pose serious health risks if ingested. It is vital to be able to differentiate between safe and toxic species. If you have any doubts about a mushroom’s edibility, refrain from eating it and seek expert advice.

Hallucinogenic Mushrooms: Are They Safe to Eat?

Certain mushrooms growing in cow dung, such as Psilocybe cubensis, contain hallucinogenic compounds. While some individuals seek these mushrooms for their psychoactive effects, it is essential to approach them with caution. Dosage, personal tolerance, and mental preparedness are crucial factors to consider before consuming hallucinogenic mushrooms.

Safety Measures When Handling Cow Manure

When navigating through pastures and coming into contact with cow manure, it is important to wear gloves and avoid inhaling any dust or gases that may be present. These precautions minimize the risk of exposure to potential pathogens or harmful microorganisms.


Picking mushrooms from cow poop can be an exciting and rewarding endeavor for nature enthusiasts. By following the guidelines outlined in this article, you can ensure a safe and successful mushroom foraging experiencewhile enjoying the wonders of nature. Remember to always prioritize safety, proper identification, and responsible harvesting practices to make the most of your mushroom picking adventures.

FAQs (Frequently Asked Questions)

Are all mushrooms that grow in cow dung safe to eat?

No, not all mushrooms growing in cow dung are safe to eat. Some can be poisonous or hallucinogenic. It’s important to be knowledgeable about different mushroom species and exercise caution when consuming them.

Can I pick mushrooms from fresh cow piles?

Fresh cow piles are not the ideal habitat for mushrooms. They are more likely to be found in older piles that have dried and sunk into the grass. Focus your search on those areas for a higher chance of success.

What should I do if I’m unsure about the edibility of a mushroom I’ve picked?

If you’re uncertain about the edibility of a mushroom, it’s best to err on the side of caution and not consume it. Consult mushroom identification resources or seek advice from knowledgeable experts to ensure proper identification.

Can I eat hallucinogenic mushrooms found in cow dung?

Hallucinogenic mushrooms, such as Psilocybe cubensis, should be approached with caution. Proper dosage, personal tolerance, and mental preparedness are crucial factors to consider before consuming these mushrooms.

What safety measures should I take when handling cow manure?

It is important to wear gloves when handling cow manure to minimize the risk of exposure to potential pathogens or harmful microorganisms. Additionally, avoid inhaling any dust or gases that may be present in the vicinity.

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