Colocasia esculenta ‘Black Magic’
Common Names Black Magic Elephant Ear, Purple Taro
Zones 8–11 (outdoors); Zone 7B+ with protection
Colocasia esculenta ‘Black Magic’ is a dramatic, large-leaved cultivar known for its deep purple-black foliage and upright, architectural form. Originally derived from edible taro (Colocasia esculenta), this ornamental selection is prized for its moody tones and bold texture. It thrives in moist soils and humid conditions, making it ideal for tropical borders, pond edges, and container gardens.
Key Features
Growth Habit: Clump-forming; upright and spreading
Height: 3–6 ft. tall; 3–5 ft. wide
Trunk: Herbaceous; no true trunk
Leaves: Heart-shaped; matte black to deep purple; 18–36 in. long; color intensifies with age and light exposure
Petiole: Dark purple to black; sturdy and upright
Inflorescence: Rare in cultivation; pale yellow spathe and spadix if present
Fruit: Not typically produced
Ecology: Cultivar of Colocasia esculenta, native to Southeast Asia; bred for ornamental use
Growing Conditions
Light: Full sun to part shade; deeper color in brighter light
Watering: High water needs; thrives in consistently moist or boggy soil
Soil: Rich, moisture-retentive mix; ideal blend includes compost, peat, and loam
Temperature: 65–90°F (18–32°C); protect from frost
Humidity: Moderate to high; performs best in humid environments
Propagation: Division of tubers or offsets
Tolerance: Moderate drought tolerance once established; sensitive to cold
Landscape Use Ideal for tropical borders, water gardens, containers, and mass plantings. Pairs well with Colocasia ‘Midnight’, Canna ‘Tropicanna’, and Alocasia ‘Regal Shields’ for layered foliage compositions.
