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PlantFiles: Giant Elephant Ear
Colocasia gigantea

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

2 vendors have this plant for sale.

28 members have or want this plant for trade.

Category:
Bulbs
Ponds and Aquatics

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)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
All parts of plant are poisonous if ingested

Bloom Color:
Pale Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Grown for foliage
Deciduous
Herbaceous
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)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

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

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

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By vswilliams
Thumbnail #1 of Colocasia gigantea by vswilliams

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Thumbnail #6 of Colocasia gigantea by turektaylor

Profile:

3 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive DanKistner On Jul 23, 2009, DanKistner from Winter Haven, FL (Zone 9b) wrote:

I love "Big" plants and this is certainly one of them!

Positive redcamaro350ss On May 1, 2009, redcamaro350ss from Statesville, NC wrote:

Not had much time growing this plant. (mine are only about four inches tall now) They do start pretty easily from seed but in an experiment we did in a class at NCSU they required cold stratification. The seeds seem to take a while even after that and may require more patience than anything. I started out with two plants, but after planting them (6 weeks later) some more of the seeds germinated. After they germinate growth is rapid!

Positive joan30157 On Sep 26, 2007, joan30157 from Dallas, GA (Zone 7b) wrote:

I love these elephant ears, they provide shade for the smaller varieties that can't take the full sun. They also provide a great habitat for frogs and lizards. Also great for hide and seek.

Neutral Suze_ On Jan 20, 2006, Suze_ from Bastrop County, TX (Zone 8b) wrote:


Plant Delights offers this description:
"Resembling an alocasia, the 6' tall grey petioles (stalks) hold the large silver-veined grey-green leaves outright. When the plants mature, the tip of the leaf arches downward and each leaf develops bizarre appendages on the underside...you'll just have to see it for yourself. This clone of C. gigantea makes a fast-multiplying clump, but without the long runners of many C. esculenta forms...still plenty to share"

Regional...

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

,
Tucson, Arizona
Malvern, Arkansas
Clayton, California
Escondido, California
Torrance, California
Gulf Breeze, Florida
Winter Haven, Florida
Dallas, Georgia
Horse Cave, Kentucky
Rienzi, Mississippi
Joplin, Missouri
Billings, Montana
Roswell, New Mexico
Elizabeth City, North Carolina
Statesville, North Carolina
Swannanoa, North Carolina
Fannettsburg, Pennsylvania
Aynor, South Carolina
Amarillo, Texas
Austin, Texas
Mansfield, Texas
San Antonio, Texas
Manassas, Virginia
Concrete, Washington



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