Agaricus columellatus

A little-known Agaricus from the desert grasslands of Arizona and northwest Mexico, described from a single fruit body on the ground in mesquite-catclaw flats. It fruits after summer monsoon rain in a hot, dry climate; there is no cultivation record and details beyond the type are thin.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal rest

Where it grows wild

Solitary on the ground in grassy desert flats with mesquite and catclaw acacia; a soil saprotroph like other Agaricus.

Recorded 603–1207 m, median 1207 m (4 records), in Sonoran Desert grassland.

Southwestern United StatesNorthwestern Mexico

🔒 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

Agaricus deserticola Agaricus bisporus Agaricus abruptibulbus Agaricus bernardii Agaricus hondensis Agaricus subrufescens Agaricus campestris Agaricus xanthodermus Agaricus augustus Agaricus bitorquis Agaricus arvensis Agaricus brunneofibrillosus All 800 →

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