Technical Guides

Portobello: Complete Growing Guide

01 一月 2026 更新于 17 一月 2026
Portobello: Complete Growing Guide

The Portobello (Agaricus bisporus) is simply a button mushroom that is allowed to fully mature.

Characteristics

  • Color: Dark brown
  • Flavor: Intense, pronounced umami
  • Texture: Fleshy and substantial
  • Size: 10-15+ cm caps

Optimal Conditions

Same cultivation as the button mushroom, but the mushrooms are allowed to reach their maximum size with visible gills.

Harvesting Tips

Harvest when the cap is completely open and flat. The gills should be dark brown.

Culinary Uses

Perfect grilled like a "veggie steak"! Stuffed, on the barbecue, or sliced in burgers. Meat-like texture.

Growing Technical Data

Ideal Substrate Pasteurized compost
Phase 1: Colonization 14 - 21 days
Phase 2: Initiation 7 - 10 days
Phase 3: Growth 10 - 14 days
Total Cycle Duration 31 - 45 days
Flushes & Spacing 3 flushes (10 days)
Colonization Temp 22-25°C
Fruiting Temp 16-20°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.