Calvatia tatrensis

An arctic-alpine puffball described by Hollós in 1901 from the Tatra Mountains. Records come from the Alps, Alaska, arctic Canada, the Colorado Rockies and Iceland. It fruits in alpine and tundra grassland and cannot be grown indoors.

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

Expects a seasonal rest

Where it grows wild

Alpine and arctic grassland and tundra soil, above the treeline, presumably as a soil saprotroph.

No elevations recorded; the European and Rocky Mountain sites are alpine, the northern sites arctic lowland.

AlpsCarpathiansAlaskaArctic CanadaIcelandColorado

🔒 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.