Colocasia, Elephant Ear, Taro 'Coffee Cups'

Colocasiaesculenta

Family
Araceae (a-RAY-see-ee)
Genus
Colocasia (kol-oh-KAY-see-uh)
Species
esculenta (es-kew-LEN-tuh)
Synonym
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Grown for foliage
Deciduous
Herbaceous
Good Fall Color
Height
4-6 ft. (1.2-1.8 m)
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)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Inconspicuous/none
Bloom Time
N/A
Other Details
Category
Bulbs
Ponds and Aquatics
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
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
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
Regional

This plant is said to grow outdoors in the following regions:

Tuskegee, Alabama

Yarnell, Arizona

Gainesville, Florida

Winter Haven, Florida

Brunswick, Georgia

Hazlehurst, Georgia

Hattiesburg, Mississippi

Levittown, New York

Raleigh, North Carolina

Cincinnati, Ohio(2 reports)

Blythewood, South Carolina

Camden, South Carolina

Clarksville, Tennessee

Mont Belvieu, Texas

Richmond, Texas

San Antonio, Texas

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Gardener's Notes:

3
positives
1
neutral
0
negative
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W
San Antonio, TX | May 2009 | positive

This is a very easy plant to grow. Use a rich soil, and keep it moist, In south Texas it does better in morning sun or dappled sunlight.

G
Gainesville, FL | November 2008 | positive

Grows best in a pond or bog in Florida

H
Camden, SC | July 2007 | positive

This plant is a wonderful specimen plant for the garden. In zone 8b it is not a full sun plant as advertised. Mine was in full sun and...Read More

S
S
(Zone 7b) | January 2006 | neutral

Colocasia 'Coffee Cups' was discovered in the wild by Indonesian botanist Gregory Hambali and brought to the US by aroid expert Alan Gall...Read More

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