Nepenthes sumatrana

A lowland pitcher plant from North and West Sumatra, best known from around Sibolga, growing from sea level to about 800 m. Unlike many lowland Nepenthes it needs dense, undisturbed, shady forest, where it climbs into the canopy from steep slopes on sandstone. It is Critically Endangered. In cultivation it wants warm, humid, shaded conditions.

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

No rest periodClimber

Where it grows wild

Dense, undisturbed lowland forest on very steep slopes, on sandstone-derived soils, in moist, shady conditions. It cannot survive in disturbed habitat. Seedlings have been recorded on open cliff faces, but mature plants climb into the canopy using the surrounding vegetation.

Sea level to about 800 m. The measured sites are at 20–500 m.

Sumatra

🔒 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.