Blue Oyster – MWS#1 (Grain Spawn Bags):
Skill Level: Beginner
Favoured wood: alder, maple, elm, oak, birch, beech, ash, mulberry, sweetgum, cottonwood, willow, basswood, linden and aspen are also suitable, but aspen tends to break down very quickly.
Preferred orientation: Horizontal
Preferred fruiting temperature: 12–18 °C
Length of time for maturing: May mature in as little as 1 week!
Recommended use:
- Blue oyster grain spawn is suitable for indoor cultivation with sawdust or straw, as well as outdoor cultivation with straw or wood chips.
- It thrives particularly well when grown in buckets.
- Grain spawn should not be utilized for log inoculation.
- It’s important to note that this is not a mushroom grow kit.
- To produce mushrooms, blue oyster grain spawn must be combined with a substrate.
Upon receiving your spawn:
As soon as you receive the package, promptly take it out of the shipping box. Next, unfurl the upper part of the bag to allow for adequate airflow. Additionally, ensure that the filter patch is unobstructed to facilitate the organism’s respiration and sustained well-being.
Enviromental Parameters:
| Temperature | 7-24°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 refers to the initial discernible phase of fruitbody formation, commonly known as “baby mushrooms” or “mushroom pins.”
- Fruitbody represents the matured state of a mushroom, serving as the reproductive structure responsible for spore production.
- CO2 sensitivity refers to the mushroom’s responsiveness to carbon dioxide levels. Elevated CO2 can lead to reduced yields, elongated and thin stems, undersized caps, or growth cessation.
Cultivating indoors:
Blue oyster mushrooms grain spawn can be blended into substrates that have been either steam sterilized, or cold lime pasteurized. These substrates can include hardwood sawdust, straw, coffee grounds, and various others.
Please keep in mind that before you can initiate the fruiting process, it is essential to combine the grain spawn with a bulk substrate. If you are new to mushroom cultivation, we suggest acquiring a book on the subject for guidance.
Cultivating outdoors:
To cultivate blue oyster mushrooms, you can distribute the oyster spawn over chopped straw or wood chips, as demonstrated in the video provided below. Creating outdoor beds using this method is considered one of the simplest approaches to grow oyster mushrooms.
Storage:
If you do not intend to utilize the spawn immediately, it is possible to refrigerate it for a duration of up to 4 months.
Cautions and Considerations:
Please note: Unlike our ready-to-fruit grow kits and plug spawn, Grain Spawn does not come with instructions. We recommend that you familiarize yourself with proper mushroom cultivation, lab, and sterile technique before ordering.
Before consuming home-grown mushrooms, it is important to cook them thoroughly with heat. If you are trying this particular species for the first time, it is recommended to begin with a small portion to assess for any potential allergies, even if the mushrooms have been cooked.
Value System:
Our Value System guides the design of each strain. When we collect a species from the wild and initiate the first spore germination or tissue-culture/clone, we designate its age as T-0. Subsequent transfers of the original culture from one matrix to the next are then labeled in increments of T-1, T-2, and so forth. This library tries to maintain strains closest to their origins or closest to their peak fruiting potentials.
Grain Spawn Sale Agreement:
Cape Town Exotic Mushrooms is constantly working with these strains, refining our selection process, screening and maintaining cell lines, as well as testing new domesticated isolates harvested from the best crosses. Cape Town Exotic Mushrooms is releasing the following grain spawn for use on a conditional basis. By purchasing these Blue Oyster – MWS#1 (Grain Spawn Bags), you as a customer agrees to the terms of our Mycelium Grain Spawn Agreement.
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