Corryocactus aureus

A colony-forming cactus from the high dry slopes around Arequipa, Peru. It spreads by underground shoots into clumps of short, dark-spined stems with orange-yellow to orange-red flowers. It needs intense light, cold nights and a long, bone-dry winter.

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 in desert and dry scrub on hillsides of the western Andes in Arequipa. It is fully exposed to high-altitude sun.

The literature gives about 2,500 to 3,500 m. The three records with elevations are at 2,700 to 2,880 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.