Technical Guides

Elm Oyster: Complete Growing Guide

01 enero 2026 Actualizado el 17 enero 2026
Elm Oyster: Complete Growing Guide

The Elm Oyster (Hypsizygus ulmarius) is a premium variety appreciated by chefs for its firm texture.

Characteristics

  • Color: White to cream
  • Flavor: Mild, slightly nutty
  • Texture: Very firm, almost crunchy
  • Size: 5-15 cm caps

Optimal Conditions

Prefers cool temperatures. Colonization is slower than other oysters but the result is worth it.

Harvesting Tips

Harvest before the caps fully expand. Keeps exceptionally well (7-10 days in the refrigerator).

Culinary Uses

Its firm texture withstands prolonged cooking. Perfect for braising, grilling, and sauced dishes.

Growing Technical Data

Ideal Substrate Sawdust / Straw
Phase 1: Colonization 15 - 20 days
Phase 2: Initiation 5 - 7 days
Phase 3: Growth 5 - 8 days
Total Cycle Duration 25 - 35 days
Flushes & Spacing 2 flushes (12 days)
Colonization Temp 20-24°C
Fruiting Temp 12-18°C
Relative Humidity 85-90%

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.