Nepenthes rafflesiana

Raffles' pitcher-plant

A common lowland pitcher plant of Borneo, Sumatra, Peninsular Malaysia and Singapore, with large, speckled lower pitchers and funnel-shaped uppers. It grows in open, sandy, wet places such as heath forest, peat swamp margins, secondary scrub and sea cliffs. In cultivation it is one of the easiest lowland Nepenthes, wanting warmth, humidity and bright, diffused light.

At home, aim for

Day Warm-growingTargets 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

Occurs in open, sandy, wet areas: kerangas and heath forest, the margins of peat swamp forest, secondary growth and seaside cliffs. A giant form grows in dense heath forest on the north-western coast of Borneo, especially at vegetation edges. Plants start as rosettes and then climb through surrounding shrubs.

Sea level to about 1200 m, perhaps 1500 m. The 24 GBIF records with an elevation are at 9–450 m, median 115 m.

BorneoSumatraPeninsular MalaysiaSingapore

🔒 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.