Can You Grow Mushrooms From Dried Mushrooms?

Mushroom cultivation has gained significant popularity in recent years, with enthusiasts and curious gardeners eager to experiment with different methods. One intriguing question that often arises is, can you grow mushrooms from dried mushrooms?

In this articleđź“ť, we’ll delve into the world of mushroom cultivation, explore the possibility of growing mushrooms from dried specimens, and provide you with actionable insights to embark on your mushroom-growing journey.

Can you grow mushrooms from dried mushrooms

What Are Dried Mushrooms?

Drying mushrooms🍄 is a preservation method that removes the moisture content, significantly extending their shelf life.

People often use dried mushrooms in cooking for their concentrated flavor. However, rehydrating and growing dried mushrooms into new mushroom specimens is a more complex issue.

The Science Behind Mushroom Growth

Mushroom cultivation involves the propagation of mycelium, which then develops into mushrooms.

The process starts with mycelium spores or a culture. These are typically introduced into a substrate—a nutrient-rich medium that supports mycelial growth.

With the right conditions of temperature, humidity, and proper air exchange, the mycelium spreads and eventually forms mushrooms.

Can You Grow Mushrooms From Dried Mushrooms?

Growing mushrooms from dried specimens might seem like a tempting idea, but the reality is a bit more complex. While it’s theoretically possible, the success rate can be quite low.

Dried mushrooms have undergone a dehydration process that alters their cellular structure, making it challenging for them to return to their living state.

The mycelium—the thread-like network that eventually produces mushrooms—can be damaged during the drying process, hindering its ability to regrow into full-fledged mushrooms.

The spores of dried mushrooms can stay viable for six to eight months. The spores of mushrooms that have been dry for more than twelve months must’ve been dead, so you cannot grow new mushrooms from them.

Factors Affecting Success Rate

Quality of the Dried Mushrooms: Mushrooms that have been dried under proper conditions are more likely to yield viable spores for cultivation.

Mushroom Species: Certain mushroom species are more amenable to cultivation from dried material than others due to differences in spore viability and growth requirements.

Mycelium Viability: The success of growing mushrooms from dried specimens depends on how viable the mycelium is. Drying can cause damage, reducing the likelihood of successful regrowth.

Spore Viability: The viability of spores decreases with time. Dried mushrooms may have older spores, impacting their germination rate.

Contamination: Dried mushrooms are more susceptible to contamination by competing fungi or bacteria, which can outcompete the mycelium and prevent mushroom growth.

Nutrient Availability: Dried mushrooms might lack the nutrients necessary for robust mycelial growth and mushroom formation.

Environmental Conditions: Maintaining the right temperature, humidity, and light conditions is essential for the successful growth of mycelium and subsequent mushroom formation.

Steps to Try Growing Mushrooms from Dried Specimens

1. Rehydration: Start by rehydrating the dried mushrooms in water. This helps restore moisture and kickstart the reactivation of mycelium.

2. Spore Collection: If your rehydration is successful, collect spores from the mature mushrooms. This involves allowing the cap to release spores onto a sterile surface.

3. Substrate Inoculation: Introduce the collected spores or culture into a prepared substrate. Ensure sterility to prevent contamination.

4. Incubation: Place the inoculated substrate in a controlled environment with optimal temperature and humidity. Monitor for mycelial growth.

5. Fruiting Conditions: Once the mycelium colonizes the substrate, provide conditions that encourage mushroom formation, such as adjusting humidity and temperature.

Also Read: How to Grow Mushrooms From Spores

The Better Alternative: Starting with Fresh Spores or Culture

While growing mushrooms from dried specimens can be challenging, starting with fresh spores or a culture offers a higher likelihood of success.

Reputable suppliers provide high-quality spores and cultures specifically designed for cultivation.

This approach eliminates the uncertainty associated with dried specimens and gives you a better chance of enjoying a bountiful harvest.

Also Read: Where to Buy Mushroom Spores?


The allure of growing mushrooms from dried mushrooms is intriguing, but it’s essential to acknowledge the challenges involved. While it’s possible to achieve success, the odds are stacked against you due to factors like mycelium damage and contamination risks.

Opting for fresh spores or cultures from reputable suppliers offers a more promising path to a successful mushroom cultivation journey.

Remember that cultivating mushrooms requires patience, attention to detail, and a willingness to learn from both successes and setbacks.

Also Read: How to Start a Mushroom Farm


Can you grow mushrooms from dried mushrooms?

Yes, it’s possible to grow mushrooms from dried ones, but it’s a bit more complicated than using fresh spores or mycelium.

How do you start growing mushrooms from dried mushrooms?

First, you’ll need to rehydrate the dried mushrooms to reactivate their spores. Then, use the rehydrated spores to inoculate a substrate for growing.

What’s the rehydration process for dried mushrooms?

To rehydrate, soak the dried mushrooms in distilled water for several hours until they become pliable and rehydrated. Don’t use tap water to avoid contaminants.

Can I use any dried mushroom for growing?

While some dried mushrooms can be used, it’s best to choose varieties that are known for cultivation, like oysters or shiitake, as their spores are more likely to be viable.

What’s the best substrate for growing mushrooms from dried ones?

A common substrate is a mix of sterilized grain and vermiculite. You’ll inoculate this substrate with the rehydrated spores.

Is sterilization important in this process?

Absolutely. Sterilizing the substrate helps prevent contamination by harmful microorganisms, giving your mushroom spores a better chance to colonize and grow.

How long does it take for mushrooms to grow from dried spores?

The growth timeline varies depending on the mushroom type and environmental conditions, but it generally takes several weeks to a few months for mushrooms to mature.

What are the key factors for successful cultivation?

Temperature, humidity, and proper air circulation are crucial factors that affect mushroom growth. Maintaining these conditions optimally increases your chances of success.

Can I use home equipment for this process?

Yes, you can set up a small growing area using readily available items like plastic containers, misters, and thermometers. More advanced setups can also be used for larger yields.

Are there any risks to growing mushrooms from dried ones?

There’s a risk of contamination during the process, which can lead to failed attempts. However, with proper sterilization and cleanliness, you can minimize these risks.

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