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Shiitake Grow Guide
Shiitake reward patience — a cold shock and steady humidity trigger big, meaty flushes.
Difficulty
Intermediate
Temperature
55–70°F
Humidity
80–90%
Fresh air
Low–moderate fresh air
Fruiting
Soak the colonized block in cold water 12–24h, then fruit at 60–68°F with fresh air.
Second flush
Rest the block 2–3 weeks, re-soak, and expect another flush.
Troubleshooting
No pins? Give it a bigger temperature drop and stronger light.