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



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Quick Care Guide
Light
Bright indirect • approx. 10,000–20,000 lux
Watering
Water when ~20–30% dry
Substrate
Aerated • Moisture-buffered • Balanced organic + mineral • Medium
Temperature
Ideal: 18–29 °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: 180 cm • Max. spread: 150 cm
Toxicity & safety
Toxic
Origin & habitat
Horticultural Alocasia cultivar
Outdoor growing
Outside from 15 °C · sheltered spot
These care values are quick reference points for indoor growing. Use them as a guide, then adjust for pot size, substrate, temperature and how quickly the substrate dries.
For more detail, read the full product description or visit our Plant Care Guides.
Alocasia 'Sumo' is a large-growing hybrid with sagittate leaves, dark green to grey upper surfaces and purple-toned stems. As it sizes up, the plant forms an upright clump with substantial petioles and broad blades that need space around the pot.
This warm-growing Alocasia prefers bright filtered light, steady root moisture and a stable container. Larger leaves develop when the plant has enough warmth, root room and water during active growth. Cold wet substrate can quickly lead to yellowing or root damage.
Alocasia 'Sumo' builds mass through its base, roots and petioles. A small plant may look open at first, then becomes heavier and broader as the rhizome and root system develop. The pot should drain well but hold enough moisture for the larger leaves during warm active growth.
Broad blades lose moisture quickly in warm conditions, so repeated drought stress can leave the petioles limp. A weighty pot also reduces wobbling once the petioles thicken.
Alocasia 'Sumo' contains insoluble calcium oxalate crystals. Keep it away from pets and small children, and avoid contact with the mouth or eyes after handling damaged tissue.
Alocasia 'Sumo' is a cultivated hybrid of Alocasia 'Portora' × Alocasia princeps. The genus name Alocasia dates to G. Don’s 1839 treatment and relates the group to Colocasia, a closely related aroid genus.
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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