Opuntia macrocentra

A purple-padded prickly pear from the Chihuahuan and Sonoran deserts of the southwestern US and northern Mexico, with long dark spines on the upper areoles. The purple colour deepens with cold and drought stress. It needs full sun, a dry cold winter and very sharp drainage.

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

Sandy desert flats, rocky hills and desert grassland, in full sun.

Recorded from 35 to 2,410 m, with a median of 1,317 m. Published accounts put most stands below about 1,500 m.

ArizonaNew MexicoTexasMexico NorthwestMexico Northeast

🔒 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 3.0 licence, unmodified.