Bulbophyllum atrorubens

A small epiphytic Bulbophyllum with clustered pseudobulbs, each carrying a single upright stalked leaf, found from Sulawesi and the Moluccas through New Guinea to Vanuatu, New Caledonia and Samoa. It grows in lowland and montane forest at about 200–1400 m, so it suits intermediate-to-warm, humid conditions. Flowers appear on thin stalks 10–20 cm long.

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 periodGrows on trees (epiphyte)

Where it grows wild

An epiphyte on trees in lowland and montane rainforest. Small Bulbophyllum of this kind usually grow on branches and trunks in bright, humid, well-ventilated positions rather than on the dark forest floor.

About 200–1400 m, from lowland into lower montane forest.

Indonesia: SulawesiIndonesia: MalukuNew GuineaVanuatuNew CaledoniaSamoa

🔒 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.