Amorphophallus umbrinus

A tuberous Amorphophallus from southern Vietnam's central highlands and their foothills. It sends up a single divided leaf in the monsoon and goes fully dormant in the dry season. Grow it warm, humid and in light shade while in leaf, then dry the tuber off for winter.

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

Like most southern Vietnamese Amorphophallus, it probably grows in the shade of evergreen or semi-deciduous forest and its edges, in humus-rich soil. This is inferred from the genus and the record locations.

Records come from about 376 m (Dong Nai and Binh Phuoc lowlands) and about 1,100 m (Dak Lak and Lam Dong plateau).

Vietnam

🔒 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.