Pelecyphora minima

Nellie's cory cactus, formerly Escobaria minima: a tiny cactus with an above-ground body under 3 cm, known only from a single novaculite outcrop near Marathon in Brewster County, Texas. It grows hidden in mats of Selaginella in rock crevices and needs very sharp drainage, strong sun and a cold dry 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

Chihuahuan desert scrub on rocky novaculite outcrops, where plants sit in rock crevices among Selaginella mats with most of the stem below ground.

No elevation in the records; the Marathon Basin lies at roughly 1,200-1,300 m.

Brewster County, Texas

🔒 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.