Pleurotus columbinus
Blue Oyster Fruiting Block
Our Blue Oyster block is a workhorse cultivar prized for rapid colonization and heavy flushes. Expect dense, blue-grey clusters with a delicate umami flavor. Ideal for first-time cultivators.
- Difficulty
- beginner
- Size
- 5 lb
- Status
- out of stock
Growing information
- Fruit at 55–65°F with 85–95% humidity
- Cut a 4-inch X in the top of the bag
- Fresh air exchange 4–6 times per hour
- First flush typically 7–10 days after cutting
Storage
- Store block at 55–65°F until fruiting
- Refrigerate harvested mushrooms up to 7 days
- Do not freeze the block
FAQ
- How many flushes should I expect?
- Two to three flushes over 4–6 weeks, with the first being the largest.
- What if I see green mold?
- Isolate the block and email us with a photo — we stand behind every block we ship.
About this species
Shelf-like clusters with velvety blue-grey caps that fade to tan with age. Decurrent white gills, short lateral stems.
Read the full Blue Oyster profile →Related recipes
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