Light
Medium indirect • approx. 5,000–10,000 lux




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Bau metallica is built around dark metallic foliage rather than size, with mature leaves showing bronze-maroon tones above and paler maroon beneath instead of a flat black finish. Fine hairs on the petioles and main veins add another layer of texture, and older or detached leaves can produce adventitious plantlets, which makes this species unusual even by aroid standards.
It behaves like a warm forest-floor plant, so medium indirect light, stable warmth, and a moisture-retentive but well-aerated mix suit it better than either deep shade or harsh direct sun. Keep the substrate evenly moist without letting it turn dense and airless, and maintain higher humidity if you want the leaf finish to stay clean. For collectors, the combination of dark colour and leaf-borne plantlets is the real draw, not overall size.
Light
Medium indirect • approx. 5,000–10,000 lux
Water
Water when ~10–20% dry
Substrate
Moisture-retentive but aerated • Evenly moist • Organic-leaning • Fine-medium
Temperature
Ideal: 20–28 °C • Avoid below: 18 °C
Humidity
Humid 60–80 % +
Growth habit
low clumping pleionanthic growth
Support
not needed
Growth speed
Average
Max size indoors
Max. height: 20 cm • Max. spread: 25 cm
Toxicity & safety
Toxic
Origin & habitat
Borneo (West Kalimantan); wet tropical habitat
These metrics are standardised reference points. We compile them by reviewing and cross-checking multiple botanical and horticultural references, then refining them through real-world growing experience. Source links: Plant Care Resources.
Please use the values as guidance. Conditions vary by home, so the same plant can respond differently. For plant-specific context, read the full product description and browse our Plant Care Guides.
Your new plant has just travelled a long way and needs a calm start in its new home. For step-by-step unboxing and first-week care, check our after-delivery care guide. For deeper tips on how your plant settles in over the next weeks, read our houseplant acclimatization guide.