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Species library › Tephrocactus › Tephrocactus bonnieae
Succulents Partly documented

Tephrocactus bonnieae

A tiny, slow Tephrocactus from the arid mountains of Catamarca, Argentina, with rounded, ornate segments on a thick tuberous root. It needs fierce light, a dry cold winter and a very mineral mix, and rots quickly if kept wet.

Tephrocactus bonnieae
Photo: Michael Wolf, 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 Dry airBand in Plantistry
Light Full sunDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

Grows on stony, sandy slopes in dry Monte and pre-puna scrub in western Catamarca, in full sun with almost no cover.

Only one usable wild record; its climate site is at about 2055 m. Elevations are poorly documented.

Argentina Northwest

🔒 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.