Black Pearl King Oyster

 Scientific Name: Pleurotus eryngii x Pleurotus ostreatus (hybrid)

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 Appearance: Thick, dense stems with small gray-brown caps; hybrid of oyster and king oyster mushrooms.

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 Flavor Profile: Rich, nutty, and meaty; excellent as a steak substitute.

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 Growth Conditions:

• Substrate: Thrives on Coco Coir, hardwood sawdust, or straw.

• Temperature:

• Colonization: 68–75°F

• Fruiting: 60–68°F.

• Humidity: 85–90%.

• Fresh Air Exchange (FAE): Moderate to high; requires 3–5 air exchanges per day.

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 Yield:

• 5 lb substrate block: 2–3 lbs total.

• Flushes: 2–3

• Per Flush: 1–1.5 lbs for the first flush; subsequent flushes taper off.

• 10 lbs substrate in monotub: 5–7 lbs total.

• Flushes: 3–4

• Per Flush: 2–2.5 lbs for the first flush; subsequent flushes taper off.

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 Popularity: Increasingly popular for its unique hybrid characteristics.

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 Uses: Culinary (steaks, roasts, stir-fries).

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 Notes: Requires consistent humidity and careful surface maintenance for uniform fruiting.