Alocasia, Upright Elephant Ear, Giant Taro, Wild Taro
Alocasiamacrorrhizos 'Black Stem'

Family: Araceae (a-RAY-see-ee)
Genus: Alocasia (a-loh-KAY-see-uh)
Species: macrorrhizos (mak-roh-RY-zos)
Cultivar: Black Stem

Synonym:Alocasia macrorrhiza

Synonym:Arum indicum

Synonym:Colocasia indica

Category
Tropicals and Tender Perennials

Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens

Sun Exposure
Partial to Full Shade

Foliage
Grown for foliage

Foliage Color
Chartreuse/Yellow
Dark/Black

Height
12-15 ft. (3.6-4.7 m)

Spacing
8-10 ft. (2.4-3 m)

Hardiness
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Where to Grow

Danger
All parts of plant are poisonous if ingested

Bloom Color
Cream/Tan

Bloom Characteristics

Bloom Size

Bloom Time
Blooms all year

Other details

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting