Agaricus smithianus
A large golden-brown Agaricus with an almond odour, found under Sitka spruce and other conifers on the Pacific coast of California and the Pacific Northwest. It resembles A. augustus. It is not in cultivation.
At home, aim for
Day
Cool-growingTargets in Plantistry
Night
Close to the dayTargets in Plantistry
Humidity
Very humid airBand in Plantistry
Light
ShadeDLI and PPFD in Plantistry
Expects a seasonal rest
Where it grows wild
Conifer forest litter, especially under Sitka spruce near the coast.
Coastal lowland; the few elevations recorded are 8 m.
North America
🔒 Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
✓ Day and night temperature targets, and the limits it tolerates
✓ Humidity band, and how to hold it
✓ Light as DLI and PPFD for a grow light
✓ Wet and dry seasons, and whether to rest it
✓ Substrate and airflow
✓ A step-by-step setup to grow it like the wild
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More Agaricus
Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.