Light
Bright indirect • approx. 10,000–20,000 lux



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Hoya globulosa (Cao Bang) is the cooler-growing Vietnamese form prized for sturdy oblong leaves and softly hairy, straw-toned flowers that feel calmer and paler than the showier colours found in many tropical Hoyas. Its highland background gives it a slightly different mood indoors too: still tropical, but more comfortable in typical European room temperatures and less dependent on constant heat than some lowland species.
The plant climbs steadily without becoming wild, and it rewards bright filtered light, airy substrate, and gentle but regular watering with a dense, healthy vine and increasingly reliable bloom cycles. For collectors who want something unusual but not fragile, the Cao Bang form offers a more temperate-feeling take on Hoya globulosa with excellent texture and restraint.
Quick Care Guide
Light
Bright indirect • approx. 10,000–20,000 lux
Watering
Water when ~60–80% dry
Substrate
Airy + fast-draining • Light moisture buffer • Bark-based • Medium-chunky
Temperature
Ideal: 16–24 °C • Avoid below: 10 °C
Humidity
Humid 60–80 % +
Growth habit
Climbing or trailing epiphytic perennial vine.
Support
optional
Growth speed
Slow
Max size indoors
Max. trail length: 100 cm • Max. spread: 50 cm
Toxicity & safety
Non-toxic & Pet Friendly
Origin & habitat
Vietnam (Cao Bằng); wet tropical habitat
These care values are practical reference points for indoor growing. Use them as a starting point, then adjust for your room, pot size, substrate, temperature and how quickly the plant dries.
For more context, read the full product description or visit our Plant Care Guides.
Move outside once nights stay above
16°C
Bring under cover below
16°C
Best outdoors in
Warm summer patio, Covered terrace
Plant names, growth habits, natural habitats and indoor care guidance are checked against trusted botanical, habitat and horticultural references before publication.View our plant care resources and references.