Coryphantha glassii

A small clustering globular cactus from the dry upland scrub of central-eastern Mexico around 1,000–1,900 m. It takes strong sun, summer rain and a dry, cool winter, like most Coryphantha.

At home, aim for

Day IntermediateTargets 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 xerophytic scrub and grassland on rocky or gravelly ground, often partly sheltered by grasses or low shrubs. Species-specific habitat notes are scarce; this follows the genus and the measured sites.

Recorded elevations 925–1858 m, median 1181 m.

Mexico (San Luis Potosí, Guanajuato, Querétaro border area)

🔒 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

Coryphantha cornifera Coryphantha jalpanensis Coryphantha sulcata Coryphantha delicata Coryphantha compacta Coryphantha erecta Coryphantha georgii Coryphantha ramillosa Coryphantha robustispina Coryphantha pycnacantha Coryphantha echinus Coryphantha elephantidens All 43 →

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 2.0 licence, unmodified.