Pleurotus umbonatus

An oyster-type mushroom described by Peck in 1905 from North America, named for its umbonate (knobbed) cap. Only two GBIF records exist, from Idaho and North Carolina, so the conditions below come mainly from those two sites and general oyster practice.

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

Presumably a wood-decay fungus on dead wood in temperate forest.

The two records are at about 120 m (North Carolina) and 820 m (Idaho).

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.