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- Lab tested batch
- Grows or replaced
- Free over $75
- Difficulty
- Advanced
- Fruiting temp
- 55-70°F
- First harvest
- 6-10 weeks
- Character
- Deep umami
Live, lab-tested Shiitake liquid culture in a ready-to-inject 10ml syringe. The most savory mushroom in cultivation, and the most rewarding one to get right.
Shiitake is the most savory mushroom you can grow and, by some distance, the most demanding one in this range. The reward is a thick, meaty cap with a concentrated umami depth that no oyster approaches, and which intensifies further when the mushrooms are dried and rehydrated.
The cultivation cycle is genuinely different from the oysters, and it is worth understanding before you start. Shiitake needs a long colonization on supplemented hardwood sawdust, followed by a browning phase where the white mycelium forms a tough brown protective skin over several weeks. Only after that skin sets is the block ready to fruit, usually triggered by a cold-water soak or a sharp drop in temperature.
That full cycle can run two to three months against an oyster's three weeks. Growers who go in expecting oyster timelines give up during the browning phase. Growers who expect it get the best mushroom on this list.
At a glance
- Unmatched umami depth — the benchmark savory mushroom
- Thick, leathery caps that dry and rehydrate beautifully
- Grows on supplemented hardwood sawdust or hardwood logs
- Fruiting temperature: 55-70°F (13-21°C)
Species: Lentinula edodes · Volume: 10ml live liquid culture · Lab-tested, cleanroom-produced
Grow support
Grow support
Get instant help from our AI Grow Expert. If it can’t resolve your issue, a GroSpore specialist will follow up.
Shipping & returns
Shipping & returns
Orders ship within 2 business days in protective packaging. Live cultures are covered by our replacement promise: if yours arrives compromised or fails to colonize, tell us and we will make it right.
Lab testing & quality
Lab testing & quality
Produced in a certified ISO7 cleanroom and batch-tested by an independent licensed laboratory for contamination before shipping. Named species only — never blends.
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