Hoya cumingiana
Hoya cumingiana Care Guide
Featured photohoya-cumingiana.jpgHoya cumingiana is a compact, shrubby Philippine hoya with small, ovate, thick-textured leaves and clusters of charming yellow star flowers with a pleasant sweet scent. Unlike many vining hoyas, it tends to grow in a more compact, bushy habit, making it well-suited to small spaces and window sills. It is a reliable bloomer once established and one of the easier hoyas to flower indoors, producing multiple umbels of blooms throughout the growing season.
Care facts at a glance
- Light
- Bright indirect
- Water
- Water when the top 3 to 4 cm of substrate has dried; every 10 to 14 days in summer.
- Humidity
- 50–75 %
- Temperature
- 15–30 °C
- Soil
- Well-draining hoya mix: bark, perlite, and minimal compost.
- Origin
- Forests and rocky habitats of the Philippines.
- Mature size
- 40 to 80 cm tall in a compact, branching habit; leaves 4 to 7 cm long.
Overview
Hoya cumingiana was described by Decne. and named in honour of the British plant collector Hugh Cuming, who collected extensively in the Philippines in the 1830s. Its compact, upright habit is unusual for a genus dominated by vining species. The yellow flowers are produced in compact umbels of 10 to 20 individual blooms, each with the characteristic waxy, star-shaped structure of the genus. The sweet fragrance is most pronounced in the evening.
Care Priorities
- Bright, indirect light is necessary for consistent blooming; this is one of the more light-demanding hoyas.
- Allow good drying between waterings — the thick leaves are drought-tolerant.
- Do not remove flower peduncles after blooming; they are reused each season.
- Feed with phosphorus-rich fertilizer to initiate and maintain bud production.
Common Problems
Failure to flower despite an established plant usually means insufficient light or inadequate fertilising; switch to a bloom-booster fertilizer and move to a brighter spot. Yellowing lower leaves are normal ageing; rapid yellowing of young leaves indicates overwatering. Scale insects can be hard to spot on the thick leaves — inspect with a magnifier periodically.
Sources & further reading (2)
- botanical-garden — accessed 2026-05-08
- encyclopedia — accessed 2026-05-08
Frequently asked questions
Does H. cumingiana vine like other hoyas?
It is more shrubby and compact than most hoyas. It can eventually produce trailing stems but grows more upright and branching than vining species.
Is the fragrance strong?
The fragrance is pleasant and sweet but not overpowering — it intensifies in the evening. A single umbel can scent a small room.
How long between waterings in winter?
Every 3 to 4 weeks or even less in cooler, darker winter conditions. The plant slows significantly — reduce both watering and feeding.
