Biarum carratracense

A tuberous aroid endemic to Andalucía in southern Spain, well recorded across the hills of Granada, Jaén, Córdoba, Málaga and Sevilla. It is a typical Mediterranean summer-dormant geophyte that wakes with the autumn rains and dies down by early summer. In cultivation it wants a bright, frost-protected winter and a completely dry, warm summer rest.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Grows in open Mediterranean habitats such as stony slopes, dry grassland, scrub clearings and field margins in a climate of mild wet winters and hot dry summers. Detail on its preferred soils is limited; treat it like other Iberian Biarum of open rocky ground.

Recorded from 200 to 1520 m, median 700 m (106 records with elevation).

Spain

🔒 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.