Agaricus kauffmanii

A North American Agaricus described by A.H. Smith in 1940, with a cap broken into brown scales; it is usually treated as a species of coastal conifer forests in the Pacific Northwest and California. GBIF has just three records and the measured sites are much hotter, so advice follows the literature habitat.

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

Soil and needle-litter saprotroph under conifers in coastal forests, fruiting in the autumn and winter rains.

Few records carry an elevation.

United States

🔒 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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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.