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


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Dioscorea sp. Borneo (Narrow Leaf) is an undescribed climbing yam from northern Borneo that grows from a persistent rootstock and produces fresh seasonal vines each cycle. Its long, narrow leaves are the main feature, coloured deep green with a subtle silver sheen that gives the plant a cooler, more metallic surface than many broader-leaved Dioscorea.
During active growth it prefers bright indirect light or dappled shade, evenly moist but well-draining substrate, and warm temperatures around 20–28 °C. A loose organic mix and a support to scramble through help it develop naturally, while light balanced feeding can support leaf production. When stems die back, watering should be reduced strongly and the rootstock kept on the dry side until new growth begins again.
Quick Care Guide
Light
Bright indirect • approx. 10,000–20,000 lux
Watering
Water when ~20–35% dry
Substrate
Aerated • Moisture-buffered • Balanced organic + mineral • Medium
Temperature
Ideal: 20–26 °C • Avoid below: 15 °C
Humidity
Moist 50–60 %
Growth habit
climbing tuberous vine
Support
needed
Growth speed
Average
Max size indoors
Max. height with support: 300 cm • Max. spread: 50 cm
Toxicity & safety
Unknown – not confirmed on ASPCA/reliable vet sources
Origin & habitat
Borneo; tropical climbing 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.
Do not leave outside below
15°C
This plant is best kept indoors and should not be treated as an outdoor plant in European climates.