Ganoderma brownii

A large, hard, perennial bracket of the Ganoderma applanatum group, found along the Pacific coast of North America and especially in California. It attacks hardwoods, above all California bay laurel, and occasionally conifers, as both parasite and decomposer. It is rarely cultivated.

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

On living and dead hardwood trunks, especially Umbellularia californica in the San Francisco Bay Area; less often on conifers.

Mostly lowland; recorded at 22–1250 m, median 117 m.

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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More Ganoderma

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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.