Opuntia megapotamica

A prickly pear of the pampas, espinal and hill country of central and north-eastern Argentina, Uruguay and southern Brazil. It takes full sun, hot summers and cold, frosty winters, and is a good candidate for outdoor culture in mild-temperate climates.

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 in the ground

Where it grows wild

Grows in open grassland, scrub, rocky hills and sandy ground, usually in full sun among grasses and low shrubs.

Recorded at 53–725 m, median 260 m (8 records); the climate sites run from near sea level to about 850 m in the Córdoba hills.

Argentina NortheastArgentina NorthwestBrazil SouthUruguay

🔒 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

Grow Opuntia megapotamica? Add it to a free garden and its full profile opens. Pro opens all 38,374 profiles in the library, plants and fungi.

Start free Sign in

More Opuntia

Opuntia ficus-indica Opuntia engelmannii Opuntia galapageia Opuntia polyacantha Opuntia basilaris Opuntia humifusa Opuntia stricta Opuntia fragilis Opuntia macrocentra Opuntia macrorhiza Opuntia sulphurea Opuntia aciculata All 171 →

Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.