Colocasia Species, Elephant Ear
Colocasiagigantea

Family: Araceae (a-RAY-see-ee)
Genus: Colocasia (kol-oh-KAY-see-uh)
Species: gigantea (jy-GAN-tee-uh)

Synonym:Arisaema fouyou

Synonym:Caladium giganteum

Synonym:Colocasia prunipes

Synonym:Leucocasia gigantea

Category
Bulbs
Ponds and Aquatics

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
Full Sun
Sun to Partial Shade

Foliage
Grown for foliage
Deciduous
Herbaceous
Velvet/Fuzzy

Foliage Color

Height
6-8 ft. (1.8-2.4 m)

Spacing
36-48 in. (90-120 cm)

Hardiness
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
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)

Where to Grow

Danger
All parts of plant are poisonous if ingested

Bloom Color
Pale Yellow

Bloom Characteristics

Bloom Size

Bloom Time
Mid Summer
Late Summer/Early Fall

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
Non-patented

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

Seed Collecting
Seed does not store well; sow as soon as possible