Blue/Grey Oyster Mushrooms
£4 – £70 (incl. VAT)
The Blue/Grey Oyster Mushroom (Pleurotus ostreatus var. columbinus) is a cold-weather sub-strain of the classic Pearl Oyster mushroom native to Western Europe. The Blue Oyster produces beautiful blue coloured caps which lighten to a grey colour as they mature.
With their mild delicate taste and velvety texture Blue Oyster mushrooms are perfect for stir frying and sautéing. Slightly sweet and earthy flavour, this mushroom is often described as having a delicate seafood-like taste and pairs well with white meats and seafood dishes.
Our Blue/Grey Oyster mushrooms, especially the stems, are very meaty and ever so slightly chewy, perfect as a meat substitute for vegans or vegetarians. We harvest our oyster mushrooms before full maturity to maximise their flavour, preserve nutrients and increase their shelf life.
Recent scientific studies have discovered numerous strains of Oyster mushrooms (including the Blue/Grey oyster) naturally produce Lovastatin, a popular drug prescribed for treating excessive blood cholesterol.
Oyster mushrooms are also known to have incredibly high levels of the anti-oxidant, ergothioneine, widely known to decrease inflammation within the body and lower the risk of cardiovascular disease.
We now offer the Blue Oyster Mushroom as part of our Grow at Home Mushroom Box Range. A perfect and unique present for both children and adults.
All of our oyster mushrooms are grown on locally sourced wheat straw and are supplemented with organic rye grains and spend coffee grounds donated to us from local cafes and coffee shops. Our Blue/Grey Oyster mushrooms take us around 30 days to grow.
We tend to grow Blue Oysters during winter months so supply might drop come summer, get you’re orders in fast before we run out!
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£4 – £70 (incl. VAT)
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Storage and Shelf-Life
Best eaten immediately after harvest but unlike other oyster mushrooms, the Blue/Grey Oyster mushroom can be stored for well over a week in the fridge when stored correctly. We help to prolong the shelf life of all our mushrooms by harvesting before full maturity, this invariably increases our prices ever so slightly, but it means that you’re left with young, vital, healthy mushrooms which will keep for much longer than if we’d left harvesting to a later date to maximise yields.
Mushrooms should be stored in paper bags if available (ask us at the farmers markets we’ll happily give you some to store your mushrooms when you get back home).
Storing mushrooms in the bottom of the fridge in the vegetable drawer is preferable as it’s warmer than the rest of the fridge.
TIP: To stop your mushrooms drying out, you can place a damp paper towel in the paper bag with the mushrooms.
Mushrooms should never be stored in sealed plastic bags or tubs as the plastic can rapidly deteriorate the flesh of the mushroom.
Additional Info & External Resources
- Fresh Cap Mushrooms – Our Friends at Fresh Cap Mushrooms give a detailed overview of this strain with some awesome photos.
- Mushroom-collecting.com – Informative page on Oyster Mushrooms
- Medicalmushrooms.com – Medicinal Qualities of Oyster Mushrooms
- Very Well Fit – Health Benefits of Oyster Mushrooms
- Recycling cardboard wastes to produce blue oyster
mushroom Pleurotus ostreatus in Iraq – PDF download - Wikipedia – Wikipedia
Common Names
Tree Oyster, Straw Mushroom.
Hiratake (‘Flat Mushroom’ in Japanese), Tamogitake (Japanese), Orecchione Gelone/Agarico Ostreato (Italian), Oreillette/Couvrosse/Pleurote en Huître (French), Austernseitling (German), Boczniak Ostrygowaty (Polish), Pleuroto Ostreado (Spanish), Ostronskivling (Swedish).
Growth Parameters
- Spawn run: 24°C | 85-95% RH | CO2 >10,000 ppm | 0 lux | FAE 1 | 12-21 days
- Primordia Formation: 10-16°C | 95-100% RH | CO2 <1,000 ppm | FAE 4-8 | 1500 lux | 3-5 days
- Fruitbody Development: 10-21°C | 85-90% RH | 4-7 days
- Fruiting Cycle: 3-4 Crops 7-14 days apart
Additional information
| Weight | N/A |
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