Organic Pink Oyster Mushroom Grain Spawn














Skill level | Beginner |
Grow location | Indoors & outdoors |
Spawn shelf life | 1 month (do not refrigerate) |
Flavor profile | Savory, meaty, umami |
Certifications | USDA certified organic |
Bag weight | 6 lbs |
Pink Oyster (Pleurotus djamor) is a tropical strain that produces beautiful clusters of light pink to deep pinkish-red caps that are a favorite at farmers' markets. They are succulent and savory, and have a denser texture than other oyster varieties. They are great for beginners and are reliable indoor year-round producers. And, if kept in the right conditions, they will yield substantial first, second, and even third harvests (making them an ideal commercial variety!) When cultivated outdoors, they are not cold tolerant and fruit prolifically in summer months. Note that the shelf life of pink oysters is shorter than other oyster varieties. As a tropical strain, they also thrive with higher humidity.
Pink 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.
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Pink 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
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Pink oyster grain 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.
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Colonization Temps 75-85 degrees Fahrenheit Fruiting Temps 75-85 degrees Fahrenheit CO2 Sensitivity 500-1000 ppm -
Do not refrigerate pink oyster spawn. If you don't plan to use immediately, you can store your spawn at room temperature, out of direct sunlight, for up to one month.
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Pink oysters mushrooms 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.
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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 ingredients from farms in New England and North America.
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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.
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Perfect for outdoor beds.
High quality product, fast shipping. We had multiple flushes all summer long in a straw bed.
Perfect for outdoor beds.
High quality, fast shipping, flushes all summer in a straw bed.

Cannot Say Enough
We inoculated our high tunnel with this spore at the beginning of the year (Zone 8) and still: these pink beauties pop amongst our peppers, okra, and eggplant. Fantastic results! They really do not mind the heat, at all.


Harvested in 3 weeks under ideal conditions
I layered one bag of grain spawn with composted leaf humus and straw in a shaded spot under a pine tree in late June in Ohio. Precisely three weeks later I harvested the first flush weighing 5.5 lbs. The weather was ideal with regular and above-average rainfall.

Prettiest mushies
I ordered this pink oyster grain spawn and they were awesome. I inoculated blocks and got really great flushes