Hoya ciliata

Hoya ciliata, named by Elmer in 1938 from his Philippine collections, is grown as the black hoya: its fuzzy, ciliate flowers are so dark a maroon they read as black, with a scent often compared to burnt caramel. Wild records come from Mindanao and the Luzon Sierra Madre. In cultivation it behaves as a warm, humid grower, and the cold blended climate below, driven by a grid point on the summit of Mount Apo, should not be followed.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on trees (epiphyte)

Where it grows wild

Epiphytic climber in humid Philippine forest; Elmer's Mindanao collections were from the forested slopes below Mount Apo, and the Luzon record is from lowland to hill forest of the Sierra Madre at about 370 m.

Climate sites at 2865 m (Mount Apo summit grid point) and 371 m (Isabela); the Apo point sits far above Elmer's mid-slope collections and drags the averages down.

PhilippinesMindanaoDavaoLuzonIsabela

🔒 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.