Species library › Parodia › Parodia graessneri
Succulents Partly documented

Parodia graessneri

A small, globular, golden-spined cactus from the southern Brazilian highlands (Rio Grande do Sul and Santa Catarina). It flowers green in late winter. Unlike desert cacti, it comes from a humid climate with rain all year and cool winters, so it wants regular water and protection from hard frost rather than a bone-dry rest.

At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

It is usually reported on rock outcrops and cliff faces in the subtropical highlands, often among mosses and lichens and at grassland or forest edges. The climate is humid, with rain in every month.

The records run from about 480 to 1,450 m, with a median of about 830 m, on the Serra Geral plateau and its slopes.

Brazil South

🔒 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.