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









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Alocasia macrorrhizos 'Black Stem' grows broad green leaves on dark burgundy to near-black petioles. The stem colour gives contrast below the large blades and becomes more striking as the plant gains height. It has a bold, upright scale suited to a larger pot and open space around the foliage. The dark petioles become a strong part of the plant once the leaves rise clearly above the pot. Their colour also deepens younger plants before the leaves reach full size. Water deeply during active growth, then let the mix drain well so the base stays aerated. Keep the plant beyond animals that chew foliage.
Quick Care Guide
Light
Bright indirect • approx. 10,000–20,000 lux
Watering
Water when ~20–30% dry
Substrate
Airy bark and pumice aroid mix that stays moist without heaviness
Temperature
Ideal: 20–30 °C • Avoid below: 15 °C
Humidity
Humid 60–80 % +
Growth habit
Upright clumping herbaceous perennial.
Support
not needed
Growth speed
High
Max size indoors
Max. height: 250 cm • Max. spread: 180 cm
Toxicity & safety
Toxic
Origin & habitat
Dark-petioled cultivated form of Alocasia macrorrhizos; species native from Central Malesia to Queensland (Murray Group)
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
18°C
Bring under cover below
15°C
Best outdoors in
Sheltered shaded patio, Warm courtyard pot
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.
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