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Elephant Ear, Taro 'Diamond Head'

Colocasia esculenta

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

Foliage Color:

Dark/Black

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

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

Very high moisture needs; suitable for bogs and water gardens

Where to Grow:

Unknown - Tell us

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:

Cream/Tan

Bloom Time:

Late Summer/Early Fall

Foliage:

Herbaceous

Veined

Other details:

Unknown - Tell us

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

Yonkers, New York

Elizabeth City, North Carolina

Albany, Oregon

Ladys Island, South Carolina

Magnolia, Texas

Richmond, Texas

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Gardeners' Notes:

3
positives
0
neutrals
0
negatives
RatingContent
Positive

On Sep 16, 2016, billyvanbakker from Yonkers, NY wrote:

Zone7, Yonkers,ny. Purchased at Home Depot as bulbs. Started them indoors under grow lights around March. Planted out late May. Best Colocasia I've ever grown. Now 6'tall and blooming. Leaves are approximately 4' long. Outstanding.

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.

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