Colonized Mushroom Grain Spawn (Blue Oyster)
Media: Rye Berries
Bag weight: 3 lbs
Inoculation ratio: 2.5-5cc (per 3 lb bag)
Introducing our Blue Oyster (Pleurotus ostreatus) grain spawn, featuring a strain renowned for its rapid substrate colonization. This strain yields mushrooms adorned with a striking bluish-gray hue, delivering a delightful umami flavor and a tender, meaty texture. Blue oyster mushrooms are exceptionally beginner-friendly and stand as our most prolific oyster variety, consistently producing indoors year-round. Under the right conditions, they can yield bountiful first, second, and even third harvests, making them a top choice for commercial cultivation.
Blue Oyster grain spawn is suitable for year-round indoor cultivation. When taken outdoors, these mushrooms exhibit a remarkable cold tolerance and flourish in early spring or late fall.
Recommended Usage:
Blue Oyster grain spawn can be employed for indoor growth using sawdust or straw, or for outdoor cultivation using straw or wood chips. It also thrives in bucket-based setups.
Please refrain from using grain spawn for log inoculation.
This product does not constitute a mushroom grow kit. Blue Oyster grain spawn must be combined with a suitable substrate to trigger fruiting.
Upon receiving your spawn:
Upon receipt, promptly unpack it from the shipping box. Unfold the bag's top to allow for adequate airspace. Additionally, ensure that the filter patch remains unobstructed to facilitate proper airflow, essential for the thriving of these organisms.
For detailed specifications, growing instructions, and storage guidelines, please continue scrolling.
Media: Rye Berries
Bag weight: 3 lbs
Inoculation ratio: 2.5-5cc (per 3 lb bag)
Introducing our Blue Oyster (Pleurotus ostreatus) grain spawn, featuring a strain renowned for its rapid substrate colonization. This strain yields mushrooms adorned with a striking bluish-gray hue, delivering a delightful umami flavor and a tender, meaty texture. Blue oyster mushrooms are exceptionally beginner-friendly and stand as our most prolific oyster variety, consistently producing indoors year-round. Under the right conditions, they can yield bountiful first, second, and even third harvests, making them a top choice for commercial cultivation.
Blue Oyster grain spawn is suitable for year-round indoor cultivation. When taken outdoors, these mushrooms exhibit a remarkable cold tolerance and flourish in early spring or late fall.
Recommended Usage:
Blue Oyster grain spawn can be employed for indoor growth using sawdust or straw, or for outdoor cultivation using straw or wood chips. It also thrives in bucket-based setups.
Please refrain from using grain spawn for log inoculation.
This product does not constitute a mushroom grow kit. Blue Oyster grain spawn must be combined with a suitable substrate to trigger fruiting.
Upon receiving your spawn:
Upon receipt, promptly unpack it from the shipping box. Unfold the bag's top to allow for adequate airspace. Additionally, ensure that the filter patch remains unobstructed to facilitate proper airflow, essential for the thriving of these organisms.
For detailed specifications, growing instructions, and storage guidelines, please continue scrolling.
Media: Rye Berries
Bag weight: 3 lbs
Inoculation ratio: 2.5-5cc (per 3 lb bag)
Introducing our Blue Oyster (Pleurotus ostreatus) grain spawn, featuring a strain renowned for its rapid substrate colonization. This strain yields mushrooms adorned with a striking bluish-gray hue, delivering a delightful umami flavor and a tender, meaty texture. Blue oyster mushrooms are exceptionally beginner-friendly and stand as our most prolific oyster variety, consistently producing indoors year-round. Under the right conditions, they can yield bountiful first, second, and even third harvests, making them a top choice for commercial cultivation.
Blue Oyster grain spawn is suitable for year-round indoor cultivation. When taken outdoors, these mushrooms exhibit a remarkable cold tolerance and flourish in early spring or late fall.
Recommended Usage:
Blue Oyster grain spawn can be employed for indoor growth using sawdust or straw, or for outdoor cultivation using straw or wood chips. It also thrives in bucket-based setups.
Please refrain from using grain spawn for log inoculation.
This product does not constitute a mushroom grow kit. Blue Oyster grain spawn must be combined with a suitable substrate to trigger fruiting.
Upon receiving your spawn:
Upon receipt, promptly unpack it from the shipping box. Unfold the bag's top to allow for adequate airspace. Additionally, ensure that the filter patch remains unobstructed to facilitate proper airflow, essential for the thriving of these organisms.
For detailed specifications, growing instructions, and storage guidelines, please continue scrolling.
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• Weight: Approximately 3 lbs
• Hydration: Average of 47%
• Bag: Gusseted 2.2 mil polypropylene
• Filter: High efficiency .2 micron
• Sterilization method: Commercial-grade autoclave sterilized
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Temperature: 55-75°F | 13-24°C
Humidity: Phase 1: Primordia (95-100%), Phase 2: Fruitbody (85-95%)
CO2: Phase 1: Primordia (<1,000 ppm), 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.
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You can blend Blue Oyster mushroom grain spawn into our substrate.
Note: Before you can initiate fruiting, it's essential to combine grain spawn with a bulk substrate. If you're new to mushroom cultivation, we strongly advise considering the purchase of a book or guide on the subject.
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You can distribute Blue Oyster spawn within chopped straw or wood chips, Creating outdoor beds stands out as one of the simplest approaches for cultivating various Blue Oyster mushroom varieties.
Be sure to use clean, untreated products when making outdoor beds.