Bulbophyllum bicolor

A creeping Cirrhopetalum-type Bulbophyllum from southern China and northern Indochina, best known from Hong Kong. It grows on rocks and cliffs along streams at 100–500 m. It bears 1–3 large pale-yellow flowers spotted with purple, with red-fringed dorsal sepals, in May. Its climate has a hot, wet summer and a cool, drier winter, so it needs shaded streamside light, a winter drop in temperature and a mount or basket with room to creep.

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

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Flora of China records it on rocks and cliffs along streams at 100–500 m. It is a lithophyte in moist, shaded ravines, where stream air keeps humidity high and summer heat is moderated. Its pseudobulbs are spaced 3–4 cm apart on a stout rhizome.

Flora of China gives 100–500 m. The single measured site is at 215 m.

China SoutheastChina South-CentralHong KongVietnamLaosThailand

🔒 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. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.