Hoya Wallichii is native to Borneo, Peninsular Malaysia, and Singapore (where it was once thought extinct before being rediscovered), growing as a scrambling subshrub or lithophyte in wet tropical forest. It carries thinly leathery leaves and produces a broadly bell-shaped (campanulate) corolla, typically opening one flower at a time rather than in a large cluster.
Note: as a freshly imported bare-root plant, this specimen typically arrives with just a few leaves — the photo shows a more mature, fuller specimen for reference.
Care tip: As a lithophyte/scrambling subshrub in the wild, this species appreciates a chunky, well-draining mix and doesn't need to be trained as a strict vine — allow it room to scramble or provide light support.
Give it bright indirect light, a well-draining epiphyte-style mix, and allow the substrate to dry between waterings in typical Hoya fashion. Like its close relatives Hoya wongii and Hoya mappigera — both similarly thin-leaved Bornean species — Hoya Wallichii sits within a small group of closely related Hoya distinguished mainly by subtle differences in flower shape.
This is a genuinely regional collector's plant, with a natural range spanning Borneo through Peninsular Malaysia and historically Singapore — a good pick for collectors interested in the finer taxonomic distinctions among Southeast Asian Hoya.
| Difficulty | Intermediate |
| Light | Bright indirect light |
| Humidity | 60–75% |
| Watering | Allow to dry between waterings |
| Temperature | 65–85°F (18–29°C) |
| Soil | Well-draining, chunky epiphyte/lithophyte mix |
| Fertilizer | Diluted balanced fertilizer every 4–6 weeks during active growth |
| Origin | Borneo, Peninsular Malaysia, and Singapore |
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