Species library › Echinocactus › Echinocactus platyacanthus
Succulents Well documented

Echinocactus platyacanthus

The giant barrel cactus of central and northeastern Mexico, which can grow over 2 m tall over many decades. Young plants grow well in strong sun with summer water and a dry, cool winter, in a fast-draining mineral mix.

Echinocactus platyacanthus
Photo: Amante Darmanin from Malta, CC BY 2.0, via Wikimedia Commons
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

Arid and semi-arid scrub on limestone hills and alluvial slopes, in open matorral where it stands exposed to full sun.

Recorded at 745–2,525 m, median about 1,730 m.

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

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

More Echinocactus

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.