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Species library › Oreocereus › Oreocereus pseudofossulatus
Succulents Well documented

Oreocereus pseudofossulatus

A shrubby Andean cactus up to about 2 m tall with yellow spines, from the dry Río La Paz valley in Bolivia. It wants intense light, a big day-night swing and a dry, cool winter, and it handles light frost better than most columnar cacti.

Oreocereus pseudofossulatus
Photo: Frank Vincentz, 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 dry, rocky slopes of the inter-Andean Río La Paz valley in open scrub, fully exposed to high-altitude sun.

Reported from about 1,800 to 3,800 m; the measured site sits near 3,000 m.

Bolivia (La Paz)

🔒 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.