Amorphophallus muelleri

Porang

Amorphophallus muelleri, known as porang, grows from Assam and the Andamans through Myanmar and Thailand to Sumatra, Java and the Lesser Sunda Islands. It is widely farmed in Indonesia for glucomannan. It is apomictic and forms bulbils at the leaf junctions, which makes it easy to propagate. The tuber goes dormant in the dry season.

At home, aim for

Day Warm-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

A terrestrial herb of forest edges, teak and secondary forest, and village land. Many Indonesian records are probably from cultivated or naturalised stands.

Mostly lowland to hill country; few records carry an elevation.

Andaman Is.AssamBorneoJawaLesser Sunda Is.MyanmarSumateraThailand

🔒 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-SA 3.0 licence, unmodified.