Agaricus perobscurus

Princess

A large, choice edible Agaricus of the North American West Coast with a brownish cap. It fruits in winter in parks and gardens, especially under Monterey cypress, Monterey pine and eucalyptus in the San Francisco Bay Area.

Agaricus perobscurus — Photo: Roberto Zanon, CC BY-SA 3.0, via Wikimedia Commons

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

It grows alone or in small groups in litter under conifers and hardwoods, often in urban parks under Monterey cypress, Monterey pine and eucalyptus.

Mostly lowland near the coast; few records carry an elevation.

Western 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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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.