Panaeolus subfirmus
A small dark Panaeolus described by Karsten from Finland and recorded mainly in Britain, Denmark and Scandinavia. It grows in grass and on dung in cool, wet pastures; details beyond that are thin.
At home, aim for
Day
Cool-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
In grass and on dung in pastures and meadows, as for its close relative P. acuminatus.
Few records carry an elevation; most are lowland.
Northern EuropeWestern Europe
🔒 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 Panaeolus
Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.