Arum italicum

Arum italicum is a tuberous Mediterranean and Atlantic European aroid that grows in winter: arrow-shaped, often marbled leaves appear in autumn, a pale spathe opens in spring, and the plant goes dormant in summer leaving a spike of orange-red berries. Treat it as a cool-season geophyte with a 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 Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Hedgerows, woodland edges, scrub, olive groves and shady banks on moist, often calcareous soils. Under deciduous canopy it gets fairly bright light in winter while in leaf.

Recorded from near sea level to about 670 m, median around 180 m; in the Mediterranean it reaches higher in mountains.

Southern and western EuropeGreat BritainMediterranean basinMacaronesiaNorth AfricaTürkiye and the CaucasusLevant

🔒 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.