Amorphophallus gigas

A giant Sumatran aroid whose inflorescence can top 3–4 m, from a corm second only to A. titanum, reaching up to 70 kg. It grows in lowland and hill forest, on edges and in secondary growth. It needs constant tropical warmth, a big rich container, and a grower who lets the corm rest whenever it chooses.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Expected, as for related giant Amorphophallus, in disturbed lowland to hill rainforest, on forest edges, in clearings and in secondary growth with partial sun.

Few records carry elevations. The climate sites lie at about 85–520 m.

SumatraIndonesia

🔒 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 Amorphophallus

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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-SA 4.0 licence, unmodified.