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Alocasia 'Sumo'

Alocasia 'Sumo' – Giant Hybrid with Bold Architectural Foliage


Alocasia 'Sumo' lives up to its name—a striking hybrid with size, power, and presence. Created by crossing Alocasia 'Portora' with A. princeps, this plant brings together the sheer scale of giant-leaved Alocasias and the sleek elegance of upright arrow-shaped foliage. Its deep green to smoky gray leaves, highlighted by purple veins and undersides, can grow up to 90–120 cm long, supported by sturdy, dark-purple stems. Named for its commanding appearance, 'Sumo' is a collector’s favorite for making a bold tropical statement indoors.



Quick Highlights

  • Leaf Size: Up to 120 cm long, with strong upright growth.
  • Color Contrast: Dark gray-green tops, gray undersides with purple veins.
  • Indoor Height: 1.2–1.8 m under ideal care conditions.
  • Growth Speed: Fast in bright, humid environments.


The Story Behind Alocasia 'Sumo'

This hybrid combines traits from two impressive parents: Alocasia 'Portora', itself a giant hybrid, and A. princeps, a species native to Southeast Asia. Their influence gives 'Sumo' its massive sagittate leaves and robust habit, perfect for creating a strong vertical accent in spacious interiors or warm-climate greenhouses. While its exact origin as a cultivated hybrid is uncertain, its lineage traces back to tropical lowland habitats where warmth, humidity, and filtered light dominate.



Ideal Size and Placement Tips

Indoors, expect Alocasia 'Sumo' to reach heights of 1.2–1.8 m with a spread of up to 1 m. Due to its size and heavy leaves, a wide, stable container is essential. This plant thrives in bright, indirect light and high humidity—conditions that replicate its jungle ancestry. Avoid tight spaces; give it room to showcase its architectural form.



How to Care for Alocasia 'Sumo'

  • Light: Bright, filtered light is key; avoid harsh midday sun to prevent leaf burn.
  • Water: Keep the soil evenly moist but not soggy; allow the top 2–3 cm to dry slightly before rewatering.
  • Humidity: Prefers 60–80% for strong growth; consider grouping plants for natural humidity balance.
  • Temperature: Maintain 18–28 °C; avoid drafts and temperature swings.
  • Soil: Use a chunky, fast-draining mix with bark, perlite, and organic matter for aeration.
  • Feeding: Apply a balanced liquid fertilizer every 2–3 weeks during the growing period.
  • Repotting: Every 1–2 years or when roots outgrow the container; select a heavy pot for stability.
  • Propagation: Divide rhizomes carefully; ensure each section has a growth point and healthy roots.
  • Semi-Hydro: Adapts to mineral substrates under steady moisture management.
  • Dormancy Note: Growth slows in cooler months; reduce watering slightly but do not let roots dry out.


Troubleshooting and Solutions

  • Yellowing Leaves: Often due to excess water; improve drainage and adjust watering schedule.
  • Browning Tips: Caused by low humidity or salt buildup; increase moisture and flush substrate occasionally.
  • Pests: Watch for spider mites, thrips, and mealybugs; treat early with neem oil or insecticidal soap.
  • Weak Petioles: Linked to inadequate light or insufficient pot stability; move to brighter conditions and repot if needed.


Why Collectors Love Alocasia 'Sumo'

This hybrid isn’t just big—it’s a living piece of tropical design. With leaves that can rival the size of your arm and deep purple petioles that add dramatic contrast, 'Sumo' transforms interiors into lush green sanctuaries. Stability, bright light, and consistent care will keep it thriving for years.



Name and Background

The genus Alocasia comes from a modified reference to Colocasia, its close relative. The name 'Sumo' reflects its oversized foliage and powerful presence. While its hybridizer remains unknown, this cultivar remains one of the most impressive large-leaf Alocasias for collectors worldwide.



Questions You Might Have

  • How fast will Alocasia 'Sumo' grow indoors? With proper care, it can produce new leaves every 3–4 weeks during active growth seasons.
  • Does it need a large pot? Yes, use a wide, heavy container for stability and root development.
  • Can it tolerate a little direct sun? Morning sun is fine, but avoid strong midday light that can scorch leaves.

Order Alocasia 'Sumo' today and make a bold, tropical statement in your collection!

Alocasia 'Sumo'

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  • Alocasia 'Sumo' comes in ⌀ 9 cm pot and is approximately 20 cm tall

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