Corryocactus brachypetalus

A large, clumping cactus from the coastal desert of Arequipa in southern Peru, forming thickets of upright, 7 to 8 ribbed stems 2 to 4 m tall with some very long spines. It lives almost without rain under mild, often foggy coastal air, so in cultivation it wants strong light, moderate warmth and careful, sparse watering.

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

Desert and dry scrub on coastal slopes, where moisture comes mostly from winter sea fog rather than rain.

About 50 to 600 m; the two measured sites are at 60 and 258 m.

Peru

🔒 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 4.0 licence, unmodified.