Mushroom Harvesting: Best Time And Techniques

when are mushrooms harvested

Knowing when to harvest mushrooms is crucial to maximising future growth and getting the most out of your crop. The timing of the harvest depends on the type of mushroom and the growing environment. For example, oyster mushrooms should be harvested three to five days after the first mushrooms begin to form, while shiitake mushrooms grown on logs can take six to eighteen months to fruit. Magic mushrooms should be harvested before the veil breaks, and the spores are released. The general rule of thumb for mushroom harvesting is to pick the mushrooms when the caps turn from convex to concave.

Characteristics Values
Mushroom type Shiitake, Oyster, Magic
Mushroom kit Spawn, pre-inoculated logs, sawdust blocks, grow kit
Harvesting technique Twist and pull, cutting
Harvesting time Before the veil breaks, when the cap turns from convex to concave, before spores are released
Storage Dry and store
Planting time Spring, when the temperature is 40°F or higher

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Magic mushrooms: Harvest before the veil breaks

Harvesting magic mushrooms is a delicate process that requires careful timing and precision. The goal is to collect the mushrooms at their peak to enjoy their full potential. Here are some detailed instructions to guide you through the harvesting process:

Understanding the Veil

The veil is a crucial indicator of when to harvest magic mushrooms. It is a thin membrane located on the underside of the mushroom's cap, covering the gills and keeping the spores contained within the mushroom. As the mushroom matures, the veil will begin to change, and eventually, it will tear, releasing the spores. This process is natural but undesirable when growing mushrooms indoors or using a grow kit, as it will reduce mushroom growth in subsequent flushes. Therefore, it is essential to harvest the mushrooms just before the veil breaks.

Signs of Maturity

Identifying when the mushroom is about to release its spores requires careful observation. The veil will typically darken and start to sag when it is close to tearing. The cap of the mushroom will also transform from a convex shape to a concave one, often described as an umbrella shape. The edges of the cap will turn up or flatten out. These signs indicate that the mushroom is mature, and it is time to harvest.

Harvesting Technique

When harvesting magic mushrooms, the goal is to remove them with minimal damage to the mycelium and the surrounding environment. The most common technique is to gently twist the mushroom at the base of the stem until it disconnects. Some growers also pull the mushrooms while twisting to ensure a clean separation. It is recommended to wear gloves and wash your hands to maintain a sterile environment and prevent contamination by bacteria or aggressive fungi.

Post-Harvest Care

After harvesting, it is important to handle the mushrooms with care. Place them in a container with the caps on the same side to prevent the substrate from sticking to each other. You can also dry the mushrooms for storage, using a food dehydrator or other suitable methods. Proper post-harvest care will ensure that you can fully enjoy the fruits of your labour.

In conclusion, harvesting magic mushrooms requires a keen eye for detail and a gentle hand. By observing the veil, understanding the signs of maturity, and employing the proper harvesting technique, you can maximize your yield and enjoy the rewards of your hard work. Remember, timing is crucial, so don't miss the window for the perfect harvest!

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Shiitake mushrooms: Pick by hand, twist and pull

Shiitake mushrooms are typically grown on logs and are usually ready to be harvested 7 to 10 days after shocking, although colder temperatures will slow their growth. The best time to harvest shiitake mushrooms is in the morning when they are still fresh and plump. The ideal time to harvest shiitake mushrooms is when the caps are about 2 inches in diameter. The stems should be firm and white, and the gills should be light brown.

When harvesting shiitake mushrooms, the goal is to efficiently remove the mushrooms without damaging the bark. Most growers twist and pull the mushrooms off the log using their hands. If you feel resistance, pull in a direction that goes against the grain of the wood to minimise bark tearing and make a cleaner pick.

Alternatively, you can use a curved pair of scissors or a knife to ensure a clean cut on the stem. However, this method can be slow and tedious, especially when the mushrooms are in clusters.

Once harvested, gently brush off any dirt or debris without washing the mushrooms under water. Place each mushroom into an open basket, paper sack, or other vented containers.

Shiitakes are more marketable when the cap is still curled and somewhat closed. Wide, flattened mushroom caps indicate over-maturity and will not be as valuable as the fresher forms.

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Oyster mushrooms: Harvest 3-5 days after first formation

Oyster mushrooms are a popular choice for both home growers and professional chefs due to their delicate texture and nutty flavour. Deciding when to harvest them can be tricky, but it is crucial for maximizing flavour, texture, and yield. Oyster mushrooms have an extremely fast growth rate, and when grown in temperatures in the 60s or higher, they typically need to be harvested twice a day, in the morning and at night.

Oyster mushroom harvesting should occur three to five days after you see the first mushrooms begin to form. You are looking for the cap of the largest mushroom in the group to go from turning down at the edges to turning up or flattening out. The ideal time to harvest is when there is still a slight roll on the edge of the mushroom, as this will maintain the ideal texture and storability. Harvesting at this stage also limits the amount of spores being released by the mushroom.

To harvest oyster mushrooms, gently twist and pull the mushrooms from the mycelium. It is important not to damage the mycelium, as this can impact future growth. You can also cut the mushrooms, although this is not necessary and may be less efficient. The mushrooms should be placed into crates or plastic bins with holes to allow breathability. They should not be packed too deeply, with no more than two mushrooms on top of each other.

Once the harvest is complete, the mushrooms should be stored at 36-38 degrees Fahrenheit. If properly stored, the mushrooms can keep for about 10 days. To minimize drying, a cover or towel should be placed over the mushrooms, but some holes in the container are needed to allow air exchange.

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Mushroom kits: Harvest when caps open and flatten

Mushroom kits are a great way to grow your own mushrooms at home. They are easy to use and can provide you with a bountiful harvest of delicious and healthy mushrooms. The best time to harvest your mushrooms from a grow kit is when the caps open and flatten, which is typically when they are mature and ready for picking.

When to Harvest

Mushrooms grow at different rates, depending on the variety and the conditions they are grown in. For example, oyster mushrooms should be harvested three to five days after the first mushrooms begin to form, while shiitake mushrooms grown on logs can take 6 to 12 months to fruit. The general rule of thumb is to start picking your mushroom harvest when the caps turn from convex to concave, or when the cap of the largest mushroom in the group goes from turning down at the edges to turning up or flattening out.

Signs of Maturity

You'll know your mushrooms are mature and ready for harvesting when the caps open and flatten. This is when the mushrooms have reached their ideal stage of growth and are ready for picking. The caps may look slightly bizarre and wonky when they first emerge, but as they mature, they will flatten and take on the shape of an umbrella. This is the perfect time to harvest, as the mushrooms will be at their optimal taste and texture.

Harvesting Techniques

Once your mushrooms have reached the ideal stage of growth, it's time to harvest them. There are a few different techniques you can use to harvest your mushrooms. Some people prefer to twist and pull the mushrooms from the kit, while others may use a curved pair of scissors or a knife to ensure a clean cut on the stem. You can also remove the entire cluster by rocking it back and forth and then trimming any substrate off the back of the cluster.

Storage and Preservation

After harvesting your mushrooms, it's important to store them properly to maintain their freshness and quality. Mushrooms should be stored in a dry, airtight container in the refrigerator and consumed within a week. They can be cooked in various ways, such as sautéing or roasting, and it is recommended to wash them thoroughly before consumption.

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Outdoor growing: Plant when daytime temperature is 40°F or higher

When planning to grow mushrooms outdoors, it is important to consider the temperature conditions. Mushroom growth is most active when the daytime temperature is at 40°F or higher. This temperature range provides an optimal environment for the mushrooms to thrive. Here are some guidelines and tips for successful outdoor mushroom cultivation under these temperature conditions:

When the daytime temperature reaches 40°F or above, it's time to start preparing your outdoor mushroom bed or garden area. Choose a shaded location that receives indirect sunlight, as direct sunlight can cause the soil to dry out too quickly and harm the mushrooms. Create a raised bed or select an area with well-drained soil that is rich in organic matter. You can mix in compost or aged manure to enhance the soil's fertility and provide the mushrooms with the nutrients they need to flourish.

Select mushroom varieties that are suitable for outdoor growing and that align with your temperature conditions. Some recommended varieties include oyster mushrooms, shiitake mushrooms, lion's mane mushrooms, and king stropharia mushrooms. These varieties tend to grow well in outdoor environments and have a temperature range that matches your requirements.

Plant your mushroom spawn or starter culture according to the instructions provided. This typically involves burying the spawn in the prepared soil or substrate and covering it with a layer of mulch or straw to help retain moisture and create the right microclimate for mushroom growth. Ensure that the spawn is planted at the appropriate depth and spacing to allow adequate room for the mushrooms to develop.

Maintaining proper moisture levels is crucial for successful mushroom growth. Regularly water your mushroom bed to keep the soil moist but not soggy. Mushrooms thrive in humid conditions, so consider using irrigation techniques such as drip lines or soaker hoses to provide a consistent water supply. Avoid waterlogging the area, as excessive moisture can encourage unwanted bacteria or fungi that may compete with your mushrooms.

Be patient during the incubation period, as mushroom growth takes time. Depending on the variety, it can take several weeks or even months for the mushrooms to appear. Regularly check your mushroom bed for any signs of growth and monitor moisture levels to ensure they remain optimal. Remove any weeds or debris that may hinder mushroom development, creating a clean environment for them to flourish.

Finally, when the mushrooms have matured and are ready for harvest, use a gentle twisting motion to remove them from the soil. Harvesting at the right time ensures the best flavour and texture and encourages further mushroom growth. After harvesting, you can prepare and cook your mushrooms or preserve them through drying, freezing, or pickling to extend their shelf life.

Frequently asked questions

The best time to harvest mushrooms from a grow kit is when the cap has opened and flattened out. This is usually the same day or a few days after the veil is broken.

The general rule of thumb is to begin harvesting when the caps turn from convex to concave. You should also look out for the veil, a thin membrane on the underside of the cap, to turn from grey-white to dark and begin to sag. Harvest the mushrooms just before the veil tears and releases its spores.

The preferred method is to gently twist the mushrooms from their base to minimise damage to the mycelium. You can also cut the mushrooms off using a knife or scissors.

Mushrooms can be dried and stored for later use.

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