Agaricus incultorum

Agaricus incultorum was described by Kerrigan in his 2016 monograph of North American Agaricus. Most of its 92 GBIF records are from coastal and central California, where it fruits in the cool, wet winter; the epithet refers to uncultivated ground.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal rest

Where it grows wild

Records cluster around the San Francisco Bay, Sacramento Valley, Monterey Bay and southern California. The epithet suggests uncultivated or waste ground; ecology beyond that is not documented in the sources seen. Presumed a soil saprotroph.

Mostly near sea level; measured sites at 2–92 m.

CaliforniaMexico

🔒 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.