REF. HF-004
Blue Oyster
Pleurotus columbinus
Velvety blue-grey clusters. A cool-season workhorse.
- Flavor
- Mild, velvety, savory
- Difficulty
- Novice
Identification
Shelf-like clusters with velvety blue-grey caps that fade to tan with age. Decurrent white gills, short lateral stems.
Culinary uses
- Roast whole clusters at 425°F for crispy edges
- Excellent in stir-fries, pasta, and grain bowls
- Holds shape well in braises
Growing information
Fruits at 55–65°F with 85–95% humidity. Fast colonizer and extremely forgiving. First flush 7–10 days after cutting.
Harvesting
Harvest just before cap edges flatten. Cut the entire cluster at the base with a clean knife.
Nutritional profile
Established
- Good source of protein for a mushroom (2–3g per 100g)
- High in B vitamins including niacin and riboflavin
- Contains potassium and phosphorus
Emerging research
- Beta-glucan content is currently studied for immune-modulating effects
Emerging research is presented for educational context and does not constitute a health claim.