Nepenthes diabolica

A highland pitcher plant known only from one mountain in Central Sulawesi at about 2200–2300 m, with a very broad, toothed peristome and woolly hairs on the pitchers. It is closely related to N. hamata, and the lower pitchers are typically red. Enthusiasts grew it for years as 'red hairy hamata' before it was formally described in 2020. Grow it as a true highlander: cool nights, very high humidity and bright diffused light.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

No rest periodGrows in the ground

Where it grows wild

Upper montane forest on a single mountain in Central Sulawesi. The available sources do not describe its microhabitat; its close relative N. hamata grows in cool, wet mossy forest on the ground and as an epiphyte, and this species is probably similar.

Published range about 2200–2300 m. There are no wild GBIF records with locality data, so nothing was measured.

Sulawesi

🔒 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.