Coryphantha ottonis

A globular cactus of the central Mexican highlands, recorded mostly at 1,500–2,500 m. It expects strong sun, warm days with cool nights, wet summers and a dry, chilly 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

Open grassland and xerophytic scrub on the central Mexican plateau, growing in full sun among grasses and low shrubs.

Recorded at 606–2,473 m, median 1,870 m (46 records).

Mexico CentralMexico GulfMexico NortheastMexico Southwest

🔒 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 Coryphantha

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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.