Echinopsis chalaensis

A columnar, multi-stemmed Trichocereus-type cactus up to about 4 m, described from the fog-fed coastal hills around Chala in Arequipa, southern Peru, where it often hangs from rock outcrops. Grow it like a robust San Pedro-type column: full sun, a mild climate, and generous summer water with a drier, cooler winter.

At home, aim for

Day Cool-growingTargets 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 on rock (lithophyte)

Where it grows wild

Rocky coastal hills (lomas) of southern Peru, frequently pendent from cliffs and outcrops in open, fog-influenced desert scrub.

The type area is low coastal hills; the measured records, mostly from Andean Ecuador at 1,500–3,200 m, probably reflect a broad taxonomic concept that includes San Pedro-type plants.

PeruEcuador

🔒 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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More Echinopsis

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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.