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Species library › Alocasia › Alocasia macrorrhiza
Aroids Well documented

Alocasia macrorrhiza

Giant taro: a huge, fast-growing terrestrial aroid of rainforest gaps and wet disturbed ground, native from Borneo and the Philippines to New Guinea and the Solomons, and grown throughout the tropics. It wants warmth, bright light, rich wet soil and plenty of room.

At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

Grows on moist ground in rainforest clearings, edges, stream sides and secondary growth, often in disturbed sites.

Mostly lowland; records span 2–635 m.

BorneoPhilippinesSulawesiMalukuNew GuineaBismarck ArchipelagoSolomon IslandsQueensland

🔒 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.