Calvatia sculpta

Sculpted puffball

A white puffball covered in tall pyramid-shaped warts, found in high-elevation conifer forest in the mountains of western North America. It is edible when white inside. It is mycorrhizal, so it cannot be cultivated on its own.

Calvatia sculpta — Photo: Glen Parsneau, CC BY-SA 3.0, via Wikimedia Commons

At home, aim for

Day Cool-growingTargets in Plantistry

Night A clear drop at nightTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal rest

Where it grows wild

It grows in conifer forest duff in mountains, singly or in small groups, and is considered mycorrhizal with conifers.

A montane species, usually above about 750 m; the 13 records with an elevation span 762–2164 m (median 1715 m).

Western United StatesWestern Canada

🔒 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.