Elephant Ear, Taro
Colocasia esculenta 'Diamond Head'

Family: Araceae (a-RAY-see-ee) (Info)
Genus: Colocasia (kol-oh-KAY-see-uh) (Info)
Species: esculenta (es-kew-LEN-tuh) (Info)
Cultivar: Diamond Head
Additional cultivar information:(PP19939; Royal Hawaiian series)
Hybridized by J. Cho
Registered or introduced: 2008
View this plant in a garden

Category:

Bulbs

Ponds and Aquatics

Tropicals and Tender Perennials

Height:

36-48 in. (90-120 cm)

Spacing:

9-12 in. (22-30 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)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

All parts of plant are poisonous if ingested

Bloom Color:

Unknown - Tell us

Bloom Time:

Unknown - Tell us

Foliage:

Herbaceous

Dark/Black

Veined

Other details:

Requires consistently moist soil; do not let dry out between waterings

Very high moisture needs; suitable for bogs and water gardens

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

Patent Information:

Patented

Propagation Methods:

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

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

This plant has been said to grow in the following regions:

Port Charlotte, Florida

Vinton, Louisiana

Elizabeth City, North Carolina

Albany, Oregon

Ladys Island, South Carolina

Magnolia, Texas

Richmond, Texas

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Gardeners' Notes:

2
positives
0
neutrals
0
negatives
RatingContent
Positive

On May 28, 2011, BUFFY690 from Prosperity, SC (Zone 7b) wrote:

My second additon to the fam, Can't wait to see how they do...I have a pond I think I will just fill in and see what happens.

Positive

On Dec 16, 2010, oldaggie98 from Magnolia, TX wrote:

This is a clumping variety from the new breeding work by John Cho of Hawaii. Beautiful glossy black foliage, much showier than Black Magic.