Grow Oyster Mushrooms: A Step-By-Step Guide

how to cultivate oyster mushroom

Oyster mushrooms are a high-yield, fast-growing crop that is highly tolerant of variations in temperature, humidity, light levels, and carbon dioxide levels. They are nutritious, being a good source of potassium, iron, protein, and fibre. They are also known to help lower cholesterol levels. Given the right conditions, oyster mushrooms can be cultivated at home. The three main components required to start oyster mushroom cultivation are spawn, a growing container, and a substrate.

Characteristics Values
Mushroom Type Oyster
Mushroom Varieties Pleurotus ostreatus (winter strain), Pleurotus pulmonarius (summer strain), eryngii, dhingri, P. griseus, Pleurotus djamor
Mushroom Characteristics Fleshy shell or spatula-shaped cap, short or long lateral or central stalk, long ridges and furrows underneath the cap
Mushroom Colour White, yellow, brown, grey, blue, tan, pink, light brown
Taste Mild to strong, sweet with a scent of anise or licorice
Nutrition High in protein, B vitamins, minerals, fibre, potassium, iron
Health Benefits Lowers cholesterol, suitable for people with hyper-tension, obesity, diabetes, and hyperacidity
Substrate Straw, sawdust, cardboard, coffee grounds, wheat straw, rice stalks, corn cobs, cotton pulp, peanut shells, plant leaves, paper
Spawn Grain spawn, sawdust spawn
Containers Mushroom cultivation bags, buckets, large freezer bags, Ziploc bags
Temperature 10°C to 28°C (depends on the variety)
Humidity 85-90%
Pests Flies, mice

anspore

Oyster mushrooms grow well on straw, sawdust, cardboard, coffee grounds, and more

Oyster mushrooms are a high-yield, fast-growing crop that is highly tolerant of variations in temperature, humidity, light levels, and carbon dioxide levels. This makes them a great choice for first-time growers.

Straw is the most commonly used substrate for cultivating oyster mushrooms. It is usually cheap, contains essential nutrients, and oyster mushrooms thrive on it. Wheat straw, in particular, is an excellent lignocellulose substrate to grow oyster mushrooms on. However, one can use many other substrates, including rice stalks, corn cobs, coffee grounds, cotton pulp, peanut shells, some plant leaves (such as banana and plantain), and paper. The lignocellulose substrate provides the food (organic carbon for energy, nutrients) for oyster mushrooms to grow on, supporting the buildup of vegetative biomass, which then allows the production of the mushroom fruiting bodies.

Sawdust is another option for cultivating oyster mushrooms. Grain spawn will produce bigger yields than sawdust spawn, so try to source this if possible. Sawdust is also a good option for those who want to skip the learning curve of making their own substrate. Ready-to-fruit oyster mushroom blocks can be purchased, which are already colonized and ready to grow.

Cardboard is another substrate that can be used to grow oyster mushrooms. An alternative incubation space can be created using a cardboard box or by inverting a large plastic bin over the bags and keeping a good moisture supply from wet cloth towels or cups of water placed underneath.

Coffee grounds are also a good substrate for growing oyster mushrooms. They are a plentiful and already pasteurized resource. The key is to only use fresh grounds (within 24 hours of brewing) that have already been pasteurized and hydrated by the coffee brewing process.

anspore

The ideal temperature range for pink oyster mushrooms is 18-30°C

Oyster mushrooms are a great crop to grow, as they are highly adaptable, fast-growing, and tasty. They are also a good source of potassium, iron, and protein. However, one of the more challenging varieties to cultivate is the pink oyster mushroom. This variety is visually striking and grows quickly, producing fruit in just 3-4 weeks.

To successfully cultivate pink oyster mushrooms, it is important to maintain the right temperature and humidity levels. During the incubation phase, when the mycelium colonizes the substrate, the temperature should be a little cooler, at 24-27°C (75-80°F). This temperature range fosters rapid mycelial growth and colonization. Once the mycelium has fully colonized the substrate, the fruiting phase begins. During this stage, the mushrooms prefer a warmer temperature range of 20-30°C (68-86°F) and humidity levels of at least 70%.

To cultivate pink oyster mushrooms, you will need a substrate, such as straw, sawdust, cardboard, or coffee grounds. The substrate provides a nutrient-dense food source for the mushrooms to grow. First, open the bags of straw and mushroom spawn, and use a sterile spoon to mix them together. Then, seal the bag with a rubber band and plug the opening with cotton wool to prevent contamination and insect infestation. Leave the mixture to incubate for 1-3 weeks, until the mycelium has spread entirely throughout the bag. During this time, maintain the cooler temperature range of 24-27°C (75-80°F) to encourage mycelial growth. Once the mycelium has fully colonized the substrate, you can move on to the fruiting phase. At this stage, increase the temperature to 20-30°C (68-86°F) and maintain humidity levels of at least 70%. Harvest the mushrooms when the caps begin to curl up, before they start to drop their spores.

anspore

Oyster mushrooms require high humidity and a consistent source of fresh air

Oyster mushrooms are a high-yield, fast-growing crop that is highly tolerant of variations in temperature, humidity, light levels, and carbon dioxide levels. This makes them a great choice for first-time growers. However, it is important to note that oyster mushrooms require high humidity and a consistent source of fresh air to thrive.

To cultivate oyster mushrooms, you will need to create an environment with high humidity and adequate air circulation. Oyster mushrooms prefer warmer temperatures of 64-86°F (18-30°C). The recommended humidity level during the fruiting stage is 85-90%allow fresh air to flush through the growing area before spraying. You can achieve this by using growing containers with adequate ventilation, such as purpose-made mushroom cultivation bags or buckets with holes poked in them.

The substrate, or growing medium, also plays a crucial role in maintaining humidity and providing a source of fresh air for the mushrooms. Straw is the most commonly used substrate for oyster mushroom cultivation. It is cheap, contains essential nutrients, and oyster mushrooms thrive on it. Other substrates such as sawdust, cardboard, coffee grounds, and agricultural byproducts can also be used. The substrate should be pasteurized by soaking it in hot water (65-80°C/149-176°F) for 1-2 hours or in a cold-water high-pH lime bath for 12-18 hours.

Additionally, it is important to monitor the carbon dioxide (CO2) levels in the growing environment. High CO2 levels can lead to small deformities in the mushrooms, so ensuring adequate ventilation and air circulation is crucial. By providing high humidity, a consistent source of fresh air, and the ideal growing conditions, you can successfully cultivate oyster mushrooms and enjoy their nutritional and culinary benefits.

anspore

Grain spawn produces bigger yields than sawdust spawn

Oyster mushrooms are a high-yield, fast-growing crop that is highly tolerant of variations in temperature, humidity, light levels, and carbon dioxide levels, making them a great choice for first-time growers. The most widely used substrate for oyster mushroom cultivation is straw, which is usually cheap, contains essential nutrients, and is well-suited for oyster mushrooms.

While straw is the most common substrate, grain spawn and sawdust spawn are also popular choices for growing oyster mushrooms. Grain spawn is composed of grains sourced from the agricultural industry, such as millet, oats, rye, wheat, and sorghum. It is combined with bulk substrates to make products like fruiting blocks and grow kits. Grain spawn is more expensive than sawdust spawn due to the higher cost of grain and the need for sterilization. However, it produces bigger yields and is ideal for laboratory settings.

Sawdust spawn, on the other hand, is a combination of a small amount of grain spawn and hydrated hardwood sawdust. It is less expensive than grain spawn, but it may result in slightly lower yields. Sawdust spawn is still a good option, especially when grain spawn is scarce or to keep costs low. It is perfect for log cultivation and growing in garden beds.

When choosing between grain spawn and sawdust spawn, it's essential to consider your specific needs and constraints. If you require higher yields and have access to grain spawn, it may be the preferred choice. However, if cost is a primary concern, sawdust spawn can provide similar results at a lower price point. Additionally, the availability of materials and your cultivation methods can influence your decision.

anspore

Oyster mushrooms are nutritious, with protein, fibre, vitamins, and minerals

Oyster mushrooms are highly nutritious, making them a great supplement to your diet. They are a good source of protein, with almost 3 grams of protein in a cup of oyster mushrooms. They are also rich in dietary fibre, which has been linked to better heart health and metabolic health.

Oyster mushrooms contain a variety of vitamins, including niacin, riboflavin, pantothenic acid, folate, vitamin B6, thiamin, vitamin D, and selenium. They are also a good source of phosphorus, potassium, copper, iron, magnesium, zinc, manganese, and selenium.

Oyster mushrooms are also known for their antioxidant properties, which help to reduce cellular damage in the body. They contain higher amounts of antioxidants than other types of cultivated mushrooms, which may be due to the presence of ergothioneine, a potent antioxidant. Oyster mushrooms also contain flavonoids and phenolic compounds, which have been shown to have anti-inflammatory effects.

In addition to their nutritional benefits, oyster mushrooms are also known to promote heart health and healthy blood sugar control. They have been shown to reduce cholesterol levels and regulate blood sugar levels, making them a beneficial food for people with diabetes. Oyster mushrooms may also have cancer-fighting properties, although more research is needed to fully understand this relationship.

With their high yield and fast growth, oyster mushrooms are a great crop to cultivate at home. They are highly adaptable to variations in temperature, humidity, light levels, and carbon dioxide levels, making them a good choice for first-time growers.

John Legend: The Mushroom Man?

You may want to see also

Frequently asked questions

The most commonly used substrate for oyster mushroom cultivation is straw. It is usually cheap, contains essential nutrients, and oyster mushrooms thrive on it. Wheat straw is an excellent choice, but you can also use rice stalks, corn cobs, coffee grounds, cotton pulp, peanut shells, some plant leaves (such as banana and plantain), and paper.

As the mushrooms begin fruiting, it is important to maintain high humidity (85-90% is recommended). The temperature can be higher than the initial pinning stage: 10°C to 20°C (~50°F to 70°F) for Pleurotus ostreatus (winter) and 16°C to 28°C (~60°F to 80°F) for Pleurotus pulmonarius (summer).

The fastest and simplest approach to growing oyster mushrooms at home is to purchase spawn rather than produce it. You can often find spawn on Amazon or eBay, or you can search for "oyster mushroom spawn" plus your country to find suppliers. Once you have your spawn, follow the steps outlined in the relevant guide for your chosen substrate.

Written by
Reviewed by

Explore related products

Share this post
Print
Did this article help you?

Leave a comment