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Liquid Fungi  |  SKU: 310003802113

Winter Oyster Mushroom Grain Spawn (1 pound)

$16.00 $20.00
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Winter Oyster Musrhoom Identification

Classification: Pleurotus ostreatus

Other Names: Polar Oyster Mushroom, Cold White Oyster Mushroom

Winter Oyster Musrhoom Substrates

Sterilized Hardwood Substrate

Hardwood Logs, Supplemented Sawdust Blocks, Pasteurized Straw, Other Cellulose Products

Petri: Malt Extract Agar, Dextrose Agar

Spawn: Rye Berries, Millet, Oats, Corn

Winter Oyster Musrhoom Environmental Information

Cold Temperature

Incubation Temperature: 70F-80F

Incubation Time: 12-14 Days

Fruiting Temperature: 55F-65F

Fruiting Humidity: 85%-93%

Pinning Time: 4-10 Days

Total Fruiting Time: 14-18 Days

Needs Cold

This species requires colder temperatures to fruit.


This species requires an intermediate grower level and general understanding of mushrooms.

North American winter oyster mushrooms are found between and early fall and spring. Despite the name "winter", temperatures don't need be cold for them to fruit, but it does help. They fruit well in temps of 45F-70F. Winter oysters are one of the best edible mushrooms. They can reach 9 inches across when fully mature, though 4 - 6 inches are more common. They have a super-dense, meaty texture. They make an exceptional vegan alternative to meat or seafood, especially when properly prepared. They are also great on the grill.

Our Winter Oyster Musrhoom Grain Spawn is grown on 100% certified organic rye berries. It arrives contaminate free, fully developed, and ready to use. Winter Oyster Musrhoom Grain Spawn is used to inoculate many bags of bulk substrate quickly. Transferring grain into bulk substrate bags is the choice methodology for medium and large scale growers. Winter Oyster Musrhoom Grain transfers are usually performed in a flow-hood or bio-cabinet. Simply break up the Winter Oyster Musrhoom Grain Spawn, then transfer grains to each bag you want to inoculate.

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Liquid Fungi

Winter Oyster Mushroom Grain Spawn (1 pound)

$16.00 $20.00
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