Nepenthes flava

A small highland pitcher plant known from a single mountain in the Barisan range of North Sumatra, where it grows at 1800–2200 m in open upper montane mossy forest. Its upper pitchers are usually yellow all over, which gives it its name. It is related to N. inermis and N. jacquelineae and needs a true highland setup: mild days, cool nights and constant high humidity.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

No rest periodGrows in the ground

Where it grows wild

It grows in upper montane mossy forest dominated by Rhododendron and Leptospermum, often terrestrially in open places where the vegetation is rarely taller than 4–5 m. It grows with N. mikei, N. ovata, N. rhombicaulis and N. spectabilis, and forms natural hybrids with N. ovata and N. rhombicaulis.

1800–2200 m. There are no wild GBIF records, so no measured elevations.

Indonesia (North 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.