Gymnocalycium andreae

A small clustering chin cactus with glossy dark green bodies and yellow flowers, from the high grasslands of the Córdoba and San Luis sierras. It takes cold, dry winters and wants a cool, bright, dry rest to flower well.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

High mountain grassland on granite in the Sierras Grandes of Córdoba and the sierras of San Luis, growing among grasses and rocks.

1500–2700 m; the measured site is at about 2170 m on the Pampa de Achala.

CórdobaSan Luis

🔒 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.