How to Grow Crimini Mushrooms at Home 2023
Crimini mushrooms are native to Europe but are now widely cultivated worldwide, including in North America. They are relatively easy to grow at home and can provide a rewarding and tasty addition to your homegrown produce.
They are a type of Agaricus bisporus mushroom, including the common white button mushroom.
Crimini mushrooms have a slightly more robust flavor and texture than the white button mushroom, making them a popular choice for cooking.
Contents
Materials Needed to Grow Crimini Mushrooms at Home
To grow crimini mushrooms at home, you will need the following materials:
- Crimini mushroom spawn or spores
- Substrate, such as straw, sawdust, or compost
- Container for growing, such as a large plastic bin or bags
- Thermometer
- Mister or spray bottle for watering
- Clean workspace and gloves
How To Grow Crimini Mushrooms At Home
Step 1 – Choose your substrate
Crimini mushrooms can be grown on various substrates, including straw, sawdust, and compost. Choose a readily available substrate in your area and free of contaminants.
Step 2 – Prepare your substrate
Depending on your chosen substrate, you may need to sterilize or pasteurize it to kill unwanted bacteria or fungi. Follow the instructions for your chosen substrate to ensure it is adequately prepared.
Step 3 – Inoculate the substrate
Once your substrate is prepared, it is time to add the mushroom spawn or spores. Mix the spawn or spores into the substrate thoroughly, ensuring the inoculant is evenly distributed.
Step 4 – Transfer the substrate to a container
Once the substrate is inoculated, transfer it to a container for growing. This can be a large plastic bin, a bag, or a suitable container.
Step 5 – Monitor the temperature
Crimini mushrooms prefer to grow in temperatures between 55-65°F. Use a thermometer to monitor the temperature inside the container and adjust as necessary to maintain the ideal temperature range.
Step 6 – Mist the substrate regularly
Crimini mushrooms require high humidity to grow. Use a mister or spray bottle to mist the substrate regularly to keep it moist but not too wet.
Step 7 – Wait for the mushrooms to grow
After a few weeks, you should start to see small mushroom heads forming on the substrate. Continue to monitor the temperature and humidity and mist the substrate as needed.
Step 8 – Harvest the mushrooms
When the mushrooms reach the desired size, they are ready to be harvested. Use a sharp knife or scissors to cut the mushroom stems close to the substrate.
How Long Do Crimini Mushrooms Take to Grow?
Crimini mushrooms typically take between two and four weeks to grow. However, this can vary depending on the temperature and humidity of the environment theyre growing in.
12 Hour Light Rule and Other Tips to Grow Crimini Mushroom at Home
To grow crimini mushrooms at home, it is important to provide the ideal growing conditions such as light exposure, air exchange, temperature, and humidity.
Crimini mushrooms require 12 hours of light per day, along with a steady supply of fresh air to breathe and to prevent harmful gas buildup.
According to a guide published by the Penn State College of Agricultural Sciences, a light intensity of 500-1000 lux is recommended for mushroom cultivation, with a photoperiod (the amount of time mushrooms are exposed to light each day) of 8-16 hours.
While the exact amount of light and duration of exposure may vary depending on the specific species of mushroom being grown, 12 hours of light per day is a commonly recommended guideline for growing Crimini mushrooms.
The ideal temperature range for growing crimini mushrooms is between 55-65°F, with a humidity level of 85-95%.
To achieve these conditions, a dedicated growing container or bag is recommended, which helps to reduce the risk of contamination from other fungi or bacteria.
FAQs
What is the difference between crimini mushrooms and portobello mushrooms?
Crimini mushrooms and portobello mushrooms are actually the same species of mushroom (Agaricus bisporus), but they are harvested at different stages of growth.
Crimini mushrooms are harvested when they are still young and small, while portobello mushrooms are allowed to grow to a larger size.
Portobello mushrooms have a meatier texture and a more pronounced flavor than crimini mushrooms, but can be used interchangeably in most recipes.
How often should I spray the mushrooms?
You should spray the mushrooms at least once a day to keep them from drying out.
How do you store crimini mushrooms?
Crimini mushrooms should be stored in the refrigerator in a paper bag or a breathable container. Avoid storing them in airtight containers or plastic bags, as this can trap moisture and cause the mushrooms to spoil more quickly. Fresh crimini mushrooms can be stored for up to a week in the refrigerator.
Can you freeze crimini mushrooms?
Yes, crimini mushrooms can be frozen for later use. To freeze them, first wash and slice the mushrooms, then spread them out in a single layer on a baking sheet and freeze until solid. Once frozen, transfer the mushrooms to an airtight container or freezer bag and store in the freezer for up to six months.