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Growing Mushrooms in a Greenhouse: Guide and Success Secrets

Growing Mushrooms in a Greenhouse Growing Mushrooms in a Greenhouse

Do you have a greenhouse or the desire to grow mushrooms? Let’s combine these two facts! Today, we’ll go over how to start growing mushrooms in a greenhouse. I won’t burden you with complicated processes and overly technical advice, just my personal experience in simple terms. Just the way you like it.

Mushrooms are not only a tasty and nutritious product but also a great addition to your garden. They can be an excellent start for branching out from just growing flowers or herbs to cultivating other edible crops.

Growing Mushrooms in a Greenhouse
Source: personal archive, Suzanne Williams @ RR

So, a step-by-step plan lies ahead, but first, let’s answer this question:

Why Grow Mushrooms in a Greenhouse?

You probably already know that a greenhouse is an excellent way to control the climate and growing conditions for plants. Growing mushrooms in a greenhouse allows you to maintain stable humidity and temperature, which is especially important for these delicate crops. Additionally, you can grow mushrooms year-round, regardless of the weather outside.

Recently, I wrote an article about growing strawberries in a greenhouse – I recommend checking it out – you’ll see a lot of similarities.

Step 1: Choosing the Right Mushrooms

Before you start growing mushrooms in a greenhouse, it’s important to choose the right type. The most popular for greenhouse cultivation are button mushrooms, oyster mushrooms, and shiitake. These types easily adapt to controlled conditions and provide a stable yield.

Comparison of Popular Mushroom Types for Greenhouse Growing

Mushroom TypeGrowing ConditionsYieldTime to First Harvest
Button MushroomsHigh humidity, darknessHigh3-4 weeks
Oyster MushroomsModerate humidity, partial shadeMedium2-3 weeks
ShiitakeModerate humidity, darknessLow, but high quality6-12 months

Step 2: Preparing the Greenhouse

Now that you’ve chosen the mushroom type, it’s time to prepare the greenhouse. Start by cleaning the area and removing any unnecessary plants and items. Mushrooms love humidity but dislike drafts and direct sunlight. Therefore, it’s important to provide shading if your greenhouse is too bright.

I also recommend allocating a separate area for mushroom cultivation, so you can set unique ecosystem parameters around them.

  1. Check the ventilation: Ensure that your greenhouse is well-ventilated but without drafts.
  2. Regulate humidity: The optimal humidity level for most mushrooms is 80-90%. Use humidifiers or misting to maintain this.
  3. Control temperature: Maintain a temperature range of 15-20°C for most mushroom types.

Step 3: Preparing the Substrate

To grow mushrooms in a greenhouse, you’ll need a quality substrate. Depending on the type of mushroom, this can be straw, wood chips, or a compost mixture.

Checklist for Substrate Preparation:

  • Straw or wood chips
  • Compost (for button mushrooms)
  • Substrate pasteurization (heat treatment)
  • Adding mycelium

After pasteurizing the substrate (heating to 70°C for 1 hour), add the mycelium and mix it thoroughly. Spread the substrate in containers or bags and place them in the greenhouse.

Step 4: Care and Harvesting

Now comes the fun part – growing mushrooms in a greenhouse and taking care of them. Regularly check the humidity and temperature levels, avoid letting the substrate dry out or mold. Depending on the type of mushroom, the first harvests may appear in a few weeks or months.

Care Schedule for Greenhouse Mushrooms

Growth PeriodActionsFrequency
First 2 weeksMonitor humidity and temperatureDaily
Mushroom FormationMaintain stable humidityTwice a week
FruitingHarvest and check for diseasesWeekly

Humble Recommendation of the Products for Growing Mushrooms

Mushrooms in a greenhose
Source: personal archive, Suzanne Williams @ RR

A greenhouse doesn’t require complicated equipment. The products I recommend below are useful not only for mushroom cultivation but also for other crops. If you order a product through my link, I may receive a commission from Amazon, which I would greatly appreciate! It helps me improve this blog and provide even more useful content. Thanks in advance. And yes, all these products have been personally tested by me, and I use them in my greenhouse and my clients’ greenhouses.

  1. Humidifier: Pure Enrichment MistAire Ultrasonic Humidifier – Helps maintain stable humidity in the greenhouse.
  2. Thermometer-Hygrometer: ThermoPro TP50 Digital Hygrometer – A handy tool for monitoring temperature and humidity.
  3. Mushroom Compost: All Natural Organic Mushroom Compost – The perfect base for growing button mushrooms and oyster mushrooms.
  4. Greenhouse Shade Cloth: Agfabric Greenhouse Shade Cloth – Protects from excessive sunlight.
  5. Mushroom Mycelium: Back to the Roots Organic Mushroom Growing Kit – High-quality mycelium for starting your mushroom garden.

And Why Do We Need These Mushrooms?

  1. Rich in Antioxidants
    Mushrooms contain a large amount of antioxidants that help fight free radicals.
  2. Boost the Immune System
    Mushrooms like shiitake contain beta-glucans that stimulate the immune system.
  3. Good for the Heart
    Mushrooms are rich in potassium, which helps control blood pressure and maintain heart health.
  4. Support Bone Health
    The vitamin D found in some mushrooms improves bone and dental health.
  5. Aid in Weight Control
    Mushrooms are low in calories and high in fiber, making them an excellent food for weight management.

Love. Soil. Light. Fertilizers. That’s all you need to make mushrooms feel at home in your greenhouse. I hope this post was helpful to you. Let me know in the comments if it was! And if not, also write – I welcome all feedback.

Author

  • Kaylee Vaughn

    Kaylee is the Founder of Rootedrevival.com. She has set up and run two homesteads, a one-acre in Idaho, and her current two-acre dream homestead in the Pacific North West. Her qualifications include a Permaculture Design Certification from Oregon State University, and she is a Gardenary Certified Garden Coach. Kaylee currently produces at least 80% of her own food. She contributes to our site through articles, training and coaching to our clients. You can read more about her at rootedrevival.com/kaylee-vaughn

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