Panaeolus cyanescens

Blue meanie

Panaeolus cyanescens is a pantropical dung mushroom with a pale, cracking cap and strongly bluing flesh. It grows on cow and horse dung in warm pastures and is cultivated on pasteurised manure at high temperatures. It contains psilocybin, which is a controlled substance in many countries; check local law before cultivating.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

No rest period

Where it grows wild

Coprophilous: grows on cow and horse dung in open pasture.

Recorded at 8–2474 m, median 1378 m, reflecting many records from the Mexican highlands.

Tropical AmericasTropical AfricaSoutheast AsiaIndiaAustraliaSouthern 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. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.