Pleurotus ostreatus, commonly known as the Winter Polar Oyster mushroom, is a versatile and highly sought-after species renowned for its ease of cultivation and robust flavor. This mushroom grows naturally on decaying hardwood trees in temperate and subtropical forests. The Winter Polar Oyster is characterized by its broad, fan-shaped caps that range in color from light gray to dark brown, and its gills that run down a short, often lateral stem.

Our Winter Polar Oyster Liquid Culture Syringe contains a pure, carefully isolated sample of mycelium nurtured and expanded in our sterile laboratory. This 10 mL/cc syringe is ideal for inoculating substrates with precision and ensuring rapid colonization. Each syringe is guaranteed to be contaminant-free, ensuring a high success rate for your cultivation projects. We offer a free replacement if needed.

Winter Polar Oyster Liquid Culture Syringe

Name: Winter Polar Oyster Liquid Culture Syringe
Brand: Mission Myco
SKU: MM-WPO-LC-0001-10mL

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SKU: MM-WPO-LC-0001-10mL

$20.00

$15.00

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Classification:

Kingdom: Fungi

Phylum: Basidiomycota

Class: Agaricomycetes

Order: Agaricales

Family: Pleurotaceae

Genus: Pleurotus

Species: P. ostreatus

Other Names:

Winter Polar Oyster

Tree Oyster

Hiratake
Use potato dextrose agar (PDA) or malt extract agar (MEA) for initial culturing of the mycelium.

Incubate Petri dishes at 24-27°C (75-80°F) in a dark environment until fully colonized.
Grain spawn (oats, rye, millet, or sorghum) is recommended for inoculating the bulk substrate.

Sterilize the grains and inoculate with the colonized agar from the Petri dishes.

Incubate the grain spawn at 24-27°C (75-80°F) until fully colonized.
Winter Polar Oyster mushrooms thrive on a variety of substrates, including straw, sawdust, and even coffee grounds.

A common substrate mix includes pasteurized straw or hardwood sawdust supplemented with bran or other nutrients to enhance growth.
Optimal temperature for mycelium growth: 20-24°C (68-75°F)

Optimal temperature for fruiting: 10-18°C (50-65°F)
Maintain high humidity levels of 85-95% during both mycelium growth and fruiting stages.

Mist the substrate regularly to maintain adequate moisture levels.
Winter Polar Oysters require light to trigger fruiting. Indirect sunlight or artificial lighting that provides 12 hours of light per day is sufficient.

Low to moderate light conditions are ideal to support mushroom development.
Good air circulation is essential to prevent the buildup of CO2 and to provide fresh air, which is critical during the fruiting stage.

Ensure proper ventilation to maintain fresh air exchange and reduce the risk of contamination.
Colonization of the substrate typically takes 2-3 weeks, depending on environmental conditions.

Fruiting can be expected within 1-2 weeks after the substrate is fully colonized and conditions are adjusted for fruiting.

Total growing time from inoculation to harvest is approximately 4-6 weeks.
The ideal pH range for the substrate is between 6.0 and 7.5. Maintaining a slightly acidic to neutral pH environment is conducive to mycelium growth and fruiting.

Adjusting the pH of your substrate according to these guidelines can significantly impact the success of your Winter Polar Oyster cultivation.