Calvatia cyathiformis

Purple-spored puffball

A large puffball of prairies, pastures and lawns with a purple-brown spore mass that leaves a leathery cup on the ground. It is a choice edible while white inside. It is widespread in North America, Mexico and Australia and has no established cultivation method.

Calvatia cyathiformis — Photo: Amanita77, CC BY-SA 3.0, via Wikimedia Commons

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity —Band in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal rest

Where it grows wild

Grassland, prairie, grazed paddocks and lawns, fruiting from soil in the open.

Recorded at 0–3901 m, median 978 m (83 records).

North AmericaMexicoSouth AmericaAustralia

🔒 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.