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Species library › Hoya › Hoya blashernaezii
Hoyas Little published: much of this is inferred from related species

Hoya blashernaezii

A Philippine endemic hoya described by Kloppenburg in 1999 from a plant collected on Catanduanes Island, now split into five subspecies (aurantiaca, blashernaezii, siariae, truncata and valmayoriana) from different islands. It is a twining epiphytic climber of warm, wet lowland forest. Published field detail is very thin, so the conditions below are inferred from the islands it comes from and from how Philippine lowland hoyas behave in cultivation.

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
No rest periodClimber

Where it grows wild

Little has been published about its wild habitat. The type was a wild collection from Catanduanes, a typhoon-exposed island east of Luzon with rain in every month; subspecies siariae is named for Siargao off northeast Mindanao. Like other Philippine lowland hoyas it most likely climbs trunks and branches in humid forest, rooting into bark and moss and reaching towards brighter light near the canopy edge.

No elevations are recorded on the available specimens. Catanduanes and Siargao are low islands, so a lowland to low-hill origin (probably below about 600 m) is the working assumption, not a measured fact.

Philippines: Catanduanes (type locality)Philippines: other islands for the remaining subspecies, including Siargao (subsp. siariae)

🔒 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.