Copiapoa ahremephiana

A small, slow-growing Copiapoa from the coastal Atacama of northern Chile, where fog rather than rain supplies most of its moisture. Treat it like other coastal Copiapoa: strong light, a mineral mix, sparse water and a cool, 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

Little is published on this species; by its genus it grows on stony coastal hills and gravel slopes within reach of the Pacific fog, in near-rainless desert.

No recorded elevations; coastal Copiapoa typically grow from near sea level to about 800 m in the fog zone.

AntofagastaChile

🔒 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 4.0 licence, unmodified.