Species library › Stetsonia › Stetsonia coryne
Succulents Well documented

Stetsonia coryne

The toothpick cactus, a large branching tree cactus of the dry Chaco of Argentina, Paraguay and Bolivia, with long pale spines on blue-green stems. It wants full sun, hot summers with rain and a cool, dry winter.

Stetsonia coryne
Photo: Dave Pape, Public domain, via Wikimedia Commons
At home, aim for
Day IntermediateTargets 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

Grows in open dry Chaco woodland and thorn scrub on flat, often saline or alluvial soils, where it stands above the shrub layer in full sun.

Lowland to foothills, recorded from 83 to 1,156 m with a median of 250 m.

Argentina NorthwestArgentina NortheastParaguayBoliviaBrazil West-Central

🔒 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 Public domain licence, unmodified.