Parodia horstii
A globular to shortly columnar ball cactus from the rocky hills of southern Brazil and Uruguay, long grown as Notocactus horstii and known for flowering late in the season. It wants strong light, a warm humid summer and a cooler, drier winter, much like other southern Brazilian Parodia.
Where it grows wild
Grows among rocks and in thin soil on outcrops in grassland and scrub of the southern Brazilian highlands, a summer-warm region with rain spread across the year. This is inferred from the genus and the region, as species-specific habitat notes were not reachable.
The single usable record sits at about 160 m in central Rio Grande do Sul; the species is generally reported from low hills, but elevation data are too thin to give a range.
🔒 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. Photo from Wikimedia Commons, used under its CC BY 3.0 licence, unmodified.