Arum purpureospathum

A tuberous Arum endemic to Crete, notable for its deep purple spathe and spadix, which appear in early spring. Like other Mediterranean arums it grows in the cool, wet winter and spends the hot, dry summer as a dormant tuber, so the key to growing it is a frost-free winter in good light and a dry 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 Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Grows in stony limestone ground, field margins, old terraces and olive groves at low elevation, often in partial shade from shrubs, walls or trees.

No wild record carries an elevation; it is generally reported from lowlands near the coast.

Kriti

🔒 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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More Arum

Arum italicum Arum maculatum Arum cyrenaicum Arum korolkowii Arum palaestinum Arum rupicola Arum cylindraceum Arum idaeum Arum creticum Arum hygrophilum Arum nigrum Arum orientale All 27 →

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 Public domain licence, unmodified.