Technical Guides

King Oyster: Complete Growing Guide

05 February 2026 Updated on 05 February 2026

The King Oyster (Pleurotus eryngii) is considered the best of the oyster mushrooms.

Characteristics

  • Color: Brown cap, thick white stem
  • Flavor: Intense umami, porcini-like taste
  • Texture: Firm and dense like meat
  • Size: 8-15 cm stems, 4-8 cm caps

Optimal Conditions

Requires cold shock to initiate fruiting. Lower temperatures yield thicker stems.

Harvesting Tips

Harvest when the cap begins to flatten. The stem is the most prized part for its texture.

Culinary Uses

The chefs' favorite! Sliced and grilled, it perfectly replaces scallops or foie gras in a plant-based version.

Growing Technical Data

Ideal Substrate Sawdust / Straw
Phase 1: Colonization 18 - 25 days
Phase 2: Initiation 5 - 10 days
Phase 3: Growth 7 - 14 days
Total Cycle Duration 30 - 49 days
Flushes & Spacing 2 flushes (14 days)
Colonization Temp 20-24ยฐC
Fruiting Temp 12-16ยฐC
Relative Humidity 80-90%

Manage your crops effectively: With MycoGest, automatically track each development phase and receive alerts at the right time to optimize your harvests.

Consult our comparison table of all varieties to compare growing cycles.