Intermediate Cultivation
Shiitake Hardwood Log

Strain Profile

Shiitake is one of the most popular cultivated mushrooms in the world.  Native to Japan, Korea, and China.  Delicious and versatile, a very rewarding mushroom to cultivate.

Shiitake fruits on hardwood logs or supplemented hardwood sawdust.  

Growing Shiitake outside on logs is a low-maintenance and rewarding method for the patient cultivator.  Solid logs may take 12-18 months to fruit after inoculation with plug spawn, but will then produce mushrooms seasonally for up to 5 years!

This strain fruits from 14-18˚c.  A Cold Weather strain, naturally fruiting in Autumn in temperate climates, it can be staggered with a Warm Weather strain such as Night Velvet (1026) which will produce in Spring/Summer.

Preferred agar culture media:  MYA, PDYA

Preferred substrate:  Hardwood Logs, Supplemented Sawdust. Particularly favours Oak and Beech.

Also Known As: 

  • Golden Oak Mushroom
  • Black Forest Mushroom
  • Oakwood Mushroom
  • Shiang Ku (China)
  • Donku
  • Pasania

Growing Parameters

Spawn Run

Temperature: 21-27°c
Relative Humidity: 95-100%
Duration: 35-70 days
CO2: 10,000 ppm
Fresh Air Exchanges: 0-1 per hour
Light Requirements: n/a

Primordia Formation

Temperature: 10-16°c
Relative Humidity: 95-100%
Duration: 5-10 days
CO2: <1000 ppm
Fresh Air Exchanges: 4-7 per hour
Light Requirements: 500-2000 lux


Temperature: 14-18°c
Relative Humidity: 60-80%
Duration: 5-8 days
C02: <1000 ppm
Fresh Air Exchanges: 4-8 per hour
Light Requirements: 500-2000 lux

Pre-Poured Agar Plates

MEA, MYA, PDA, PDYA, Activated Carbon
In a range of colours!
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