Psilocybe castaneicolor

A small brown agaric described by Murrill in 1923 (Mycologia 15) and almost unrecorded since; GBIF holds a single wild record, from the Hudson Valley in New York. Its ecology and whether it bruises blue are not documented in the sources consulted, so the growing conditions here are generalised from temperate Psilocybe of forest humus.

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

Natural substrate is not documented in the sources consulted; most small Psilocybe sensu lato grow on humus, leaf litter or well-rotted plant debris. The single record is from lowland deciduous-forest country in the Hudson Valley.

The one record is at about 35 m in the Hudson Valley; no elevation range is published.

United States (New York)

🔒 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.