Hoya deykei

Hoya deykei is the corrected spelling of the species Ted Green described in 2000 (Fraterna 13(1): 15, as Deykeae) from Sumatra; GBIF lists both Hoya deykeae and Hoya deykeae as accepted names, but they are one plant. Almost nothing is published beyond the description. Grow it as a Sumatran lowland rainforest epiphyte: warm, very humid, evenly wet through the year, under bright filtered light with moving air.

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

Not described in any source reached. Sumatran lowland hoyas are epiphytic climbers on trunks and branches in humid evergreen rainforest with no real dry season.

Unknown; the measured Sumatran centroid is at 82 m, and hill-forest populations would be cooler.

Sumatra

🔒 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.