Alocasia ‘Dark Star’
 
Common Names
Dark Star Elephant Ear, Giant Emerald Alocasia, Black Stem Alocasia
 
Zones
9–11
 
A hybrid cultivar selected for its impressive size and cold tolerance, Alocasia ‘Dark Star’ is a dramatic tropical plant with emerald green leaves and striking black stems. It’s a cross of four elephant ear varieties, bred for bold foliage and adaptability. With leaves reaching up to 5 feet wide and a mature height of 6 feet, this plant makes a commanding statement in both indoor and outdoor tropical landscapes.
 
Key Features
Growth Habit: Upright, clumping; vigorous hybrid
Height: 5–6 ft (150–180 cm); larger in tropical climates
Rhizome: Thick and fleshy; supports rapid vertical growth
Leaves: Large, emerald green; slightly ribbed with a matte sheen
Petiole: Black to deep purple; sturdy and upright
Inflorescence: Rare; typical spathe and spadix of Araceae
Fruit: Infrequent; small berries
Ecology: Hybrid origin; bred for ornamental and landscape use
 
Growing Conditions
Light: Bright, indirect light; tolerates dappled shade
Watering: Light but frequent; keep soil lightly moist, not soggy
Soil: Well-draining mix with peat, perlite, and orchid bark
Temperature: 65–80°F (18–27°C); avoid cold drafts
Humidity: 60%+; mist regularly or use humidifiers indoors
Propagation: Rhizome division or offsets
Tolerance: Improved cold tolerance; toxic if ingested
 
Landscape Use
Ideal for tropical gardens, shaded patios, and large indoor containers. Pairs well with bananas, gingers, and other bold-leaved tropicals. Its upright form and dark stems add contrast and structure to any planting scheme.