Organic Snow Oyster Mushroom Grain Spawn

€26,95

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In Stock. Ships in 2-5 business days.

USDA Certified Organic

USDA Certified Organic

Trusted by 350K+ Growers

Trusted by 350K+ Growers

Money Back Guarantee

Money Back Guarantee

Our USDA-certified organic Snow Oyster (Pleurotus ostreatus) grain spawn features a popular strain that produces firm caps with a sweet flavor and aroma that holds its shape when cooked. The taste of snow oyster mushrooms is very mild, and some even describe it as slightly woody and earthy. Snow oysters are great for confident beginners and are reliable indoor year-round producers. If kept in the right conditions, they will yield substantial first, second, and even third harvests (making them an ideal commercial variety!)

Snow oyster grain spawn can be used for indoor cultivation year round. When used for outdoor cultivation, snow oysters will fruit in the cooler months.

Recommended use:

  • Snow oyster grain spawn can be used for indoor production using sawdust or straw or outdoor production using straw or wood chips.
  • Do not use grain spawn for log inoculation.
  • This is not a mushroom grow kit. Snow oyster grain spawn must be combined with a substrate in order to fruit.

Upon receiving your spawn:

Remove it from the shipping box as soon as possible. Then, unfold the top of the bag, making room for air space. It's also important to check and confirm that the filter patch is not obstructed. This will help the organism breathe and continue to thrive!

Scroll down for specifications, growing, and storage guides.


Specifications
  • Weight: Approximately 6 lbs
  • Hydration: Average of 47%
  • Bags: Gusseted 2.2 mil polypropylene
  • Filter: High efficiency .2 micron
  • Inoculation Rates: 6 lb. bag of grain will inoculate between 120-165 lb. sterilized sawdust, and 100-130 lb. pasteurized straw
  • Sterilization method: Commercial grade autoclave sterilized
Temp, Humidity & CO2 guide
Temperature 45-65°F  |  7-18°C
Humidity (Phase 1: Primordia) 95-100%
Humidity (Phase 2: Fruitbody) 85-95%
CO2 Sensitivity (Phase 1: Primordia) <1,000 ppm
CO2 Sensitivity (Phase 2: Fruitbody) <1,000 ppm

 

  • Primordia -  The earliest recognizable stage of fruitbody development. Also known as “baby mushrooms” or “mushroom pins.”
  • Fruitbody - A fully grown mushroom, the reproductive structure of the organism in which the spores are produced.
  • CO2 sensitivity - When CO2 levels are too high, yields will decrease, stems will become long and stringy, caps will be small, and/or growth will halt.
Indoor cultivation

Oyster mushroom grain spawn can be mixed into sterilized or lime pasteurized substrates including but not limited to hardwood sawdust, straw, and coffee grounds.

Note: Grain spawn must be mixed with bulk substrate before you can fruit it. If you are new to growing mushrooms, we recommend purchasing a book on mushroom cultivation.

Recommended reading:

'Growing Gourmet and Medicinal Mushrooms' by Paul Stamets

'Organic Mushroom Farming and Mycoremediation' by Tradd Cotter

 

Outdoor cultivation

Oyster spawn can be spread in chopped straw or wood chips as shown in the video below! Making outdoor beds is one of the easiest methods for growing any type of oyster mushroom.

For our complete mushroom beds pamphlet, click here. 

Be sure to use clean, untreated products when making outdoor beds.

Storing

If you don't plan to use immediately, you can refrigerate your spawn for up to 4 months.

Cooking

Snow Oysters can easily replace button mushrooms in most recipes and pair well with many cuisines and flavors. Like all oyster mushrooms, they retain water and may develop a viscous texture when undercooked. If you prefer a firm or dryer texture, continue to cook them until their liquid has reduced and cooked off and they begin to brown.

Ingredients

Our grain spawn is USDA certified organic and made using organic cultures from our own culture bank. It contains a blend of locally sourced, organic, and non-GMO grains and supplements from farms in New England and North America.

Cautions & considerations

If you’re going to consume home-grown mushrooms, make sure to cook your fresh mushrooms thoroughly with heat. If it is your first time eating this species, it is best to start with a small amount to check for allergies, even if cooked.

FAQs

Grain Spawn FAQ

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Frequently Asked Questions

No, grain spawn is not an all-in-one kit and cannot be used to fruit mushrooms out of the bag. Grain spawn must be mixed with bulk substrate before you can fruit it.

Grain spawn can be used in a wide variety of ways including indoor growing, outdoor growing, or to make more grain spawn. (Grain spawn can be used to make plug or sawdust spawn, not just other grain spawn.)

  • Indoors, you can mix grain spawn with bulk substrate to grow in bags, in containers, or to create fruiting cakes.
  • Outdoors, you can mix grain spawn with straw or wood chips to make beds and containers. (Note: Grain spawn can not be used for logs.)
  • A grain-to-grain transfer allows you to extend the life of your grain and create more grain spawn.

Our grain spawn is a proprietary blend that features nutrient-rich organic millet and wheat berries.

Cluster of brown-capped mushrooms with long, light-colored stems against a white background.

Organic by design

Made from organic, locally sourced, non-GMO ingredients.

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