Hoya dictyoneura

Hoya dictyoneura was described by Karl Schumann in 1905 from German New Guinea, in the north-east of the island, and is known essentially from that description; GBIF has no wild records and it is rarely if ever in cultivation. Grow it as a warm New Guinea lowland forest epiphyte: bright filtered light, warm nights, high humidity with moving air, and water all year.

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 beyond the original protologue. New Guinea lowland hoyas grow as epiphytic climbers on trunks and branches in humid rain forest, often at forest edges or along rivers where light is stronger.

Unknown. The measured centroid sits at about 170 m; Schumann's material came from the coastal lowlands and foothills of the former Kaiser-Wilhelmsland, so a lowland to hill-forest origin below 1,000 m is likely.

New GuineaPapua New Guinea

🔒 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.