Hoya corymbosa

Hoya corymbosa was described by Rodda and Simonsson in 2013 (Systematic Botany 38: 1126) as an unusual new species from Sabah, Borneo, named for its corymb-like rather than umbel-like inflorescence. It is a rainforest epiphyte from one of the wettest, most even climates on earth: warm days, mild nights and near-saturated air every month. Grow it warm and humid with constant airflow, bright filtered light and a mix that never stays soggy.

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 on trees (epiphyte)

Where it grows wild

Epiphytic climber in humid, evergreen lowland to hill rainforest of Sabah. The measured site is a central Borneo centroid at about 430 m with no dry month.

The type locality's elevation was not reachable; the climate below is modelled at 432 m, which suits lowland and hill forest hoyas of Sabah.

BorneoSabah

🔒 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.