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


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Dioscorea amaranthoides var. metallica is a seasonal climbing yam that sends up twining annual stems from a persistent underground rootstock, then retreats again when growth ends. Its main draw is the foliage: dark green leaves with a metallic sheen that shifts with angle and light, giving the plant a cooler, more reflective look than green vines.
During active growth it prefers bright indirect light or dappled shade, evenly moist but well-draining substrate, and warm conditions around 20–28 °C. A loose organic mix and support help the stems move naturally, while light feeding during the growing period can encourage fuller leaf production. Once the vine dies back, watering should be reduced sharply and the dormant rootstock kept barely moist to avoid rot before the next growth cycle.
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 geophyte 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
Colombia to Central Brazil and NE. Argentina; seasonally dry 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.
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.