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Species library › Psilocybe › Psilocybe fasciculare
Fungi Well documented

Psilocybe fasciculare

Sulphur tuft

Sulphur tuft, better known as Hypholoma fasciculare, placed in Psilocybe by Noordeloos in a broad concept of the genus that most authors do not follow. It is a very common wood-rotting mushroom that fruits in dense yellow clusters on stumps. It is poisonous, not psychoactive.

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
No rest period

Where it grows wild

Dense clusters on stumps, roots and fallen wood of hardwoods and conifers in woods, parks and gardens.

Lowland to montane; widespread wherever dead wood is available.

EuropeAsiaNorth America

🔒 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.