Eulychnia iquiquensis

A tree-like columnar cactus of the coastal fog desert of northern Chile, living almost without rain on moisture from the sea fog (camanchaca) and often draped in lichens. It wants strong light, mild even temperatures and very little water, without a cold winter.

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

Coastal cliffs and hills in the Atacama, within the fog belt facing the Pacific, on rocky and sandy slopes with sparse other vegetation.

Mostly from near sea level to about 800 m, inside the fog zone; measured sites are at 104–413 m.

Antofagasta (Chile)Atacama (Chile)Tarapacá (Chile)

🔒 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 Eulychnia

Eulychnia breviflora Eulychnia castanea Eulychnia ritteri Eulychnia taltalensis Eulychnia acida Eulychnia chorosensis Eulychnia vallenarensis Eulychnia elata

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 CC0 licence, unmodified.