Echinopsis formosa
A large, slow barrel cactus of the dry Andean foothills of western Argentina and northern Chile, eventually up to 1.5 m tall with dense long spines and red to yellow day-opening flowers. It wants intense sun, a big warm-to-cool day-night swing, and a dry, cold winter rest.
Where it grows wild
Open rocky and stony slopes in arid scrub and prepuna of the Andean foothills, fully exposed to sun. Grows singly at first, later sometimes branching from the base.
No wild GBIF records carry an elevation; the two climate sites sit at about 290 m and 1900 m. Literature places it in the Andean foothills and higher, so real populations are likely cooler than the lower site.
🔒 Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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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.