Aylostera fiebrigii

A small clustering globular cactus (often sold as Rebutia fiebrigii or R. muscula) with white spines and bright orange flowers, from the high Andean slopes of southern Bolivia and north-western Argentina. It wants intense light, cool nights, summer rain and a cold, completely dry winter. Given that winter rest it flowers freely every spring.

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

Rocky slopes and grassy or shrubby mountain pastures, growing among stones and tufts of grass that give light side shade.

Recorded from about 2,000 to 3,600 m, median 2,400 m.

BoliviaArgentina Northwest

🔒 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. Photo from Wikimedia Commons, used under its CC BY 4.0 licence, unmodified.