Panaeolus subbalteatus

Banded mottlegill

Usually treated as a synonym of Panaeolus cinctulus, the banded mottlegill: a cosmopolitan brown mushroom of compost heaps and fertilised lawns with a dark band at the cap edge. It contains psilocybin, so growing it is illegal in many places; check local law.

Panaeolus subbalteatus — Photo: Ian Williams, CC BY-SA 3.0, via Wikimedia Commons

At home, aim for

Day IntermediateTargets 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

Solitary to clustered on compost piles and well-fertilised lawns and gardens, rarely on horse dung; historically a weed in commercial mushroom beds.

Recorded at 0–2200 m, median 1476 m (52 records), reflecting many Mexican highland records.

North AmericaMexicoEuropeTemperate AsiaAustralasia

🔒 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.