Amorphophallus konjac

Konjac

The konjac or devil's tongue, a subtropical Amorphophallus from south-central China grown across East Asia for its edible starchy tuber. A single leaf reaches about 1.3 m across. The measured native sites are at 1170–1900 m with warm, wet summers and cold, dry winters.

At home, aim for

Day IntermediateTargets 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

Wild plants grow in forest margins, thickets and open woodland in the mountains of Yunnan and neighbouring south-central China; elsewhere it is long cultivated and naturalised.

Native records sit at 1170–1900 m, median 1720 m.

China South-Central

🔒 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.