Data specific to Elephant Ears (Colocasia) (Edit)
Plant habit: Running
Plant height: Tall (>40 inches)
Leaf base: Peltate
Leaf form: Flat
Leaf surface (top of leaf): Dull (Matte)
Leaf color (top of leaf): Blackish
Green
Leaf main veins color (top of leaf): Green
Petiole junction color (top of leaf): Green
Petiole color: Green

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Wet Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 8a -12.2 °C (10 °F) to -9.4 °C (15 °F)
Plant Height: 3 to 5 feet (.9-1.5 m)
Plant Spread: 2-3 feet
Leaves: Unusual foliage color
Evergreen
Other: Dark purplish-black background, bright green veins.
Flowers: Showy
Flower Color: Yellow
Other: Pale yellow spathe
Bloom Size: 6"-12"
Flower Time: Other: Seasonal
Underground structures: Tuber
Suitable Locations: Houseplant
Bog gardening
Uses: Water gardens
Will Naturalize
Suitable as Annual
Eating Methods: Cooked
Resistances: Deer Resistant
Rabbit Resistant
Humidity tolerant
Toxicity: Other: All parts of plant contain calcium oxalate crystals, an irritant to the mouth and esophagus. Toxic to cats and dogs.
Propagation: Seeds: Other info: Remove seed from berry which contains chemicals that inhibit germination.
Propagation: Other methods: Division
Stolons and runners
Offsets
Containers: Suitable in 3 gallon or larger
Miscellaneous: Goes Dormant
Child plants: one child plant

Image
Common names
  • Imperial Taro
  • Elephant's Ear
  • Taro
Botanical names
  • Accepted: Colocasia esculenta
  • Synonym: Colocasia esculenta var. illustris
  • Synonym: Colocasia antiquorum var. illustris
Also sold as:
  • Colocasia illustris
  • 'Illustrius'
  • 'Imperial'

Photo Gallery
Location: San Francisco Conservatory of Flowers
Location: Palm Harbor, Florida
Date: 2013-05-31
Location: z6a MA, my garden
Date: 2013-10-09
Location: z6a MA, my garden
Date: 2013-07-06
Location: Tellys Greenhouse, Troy, MI
Date: 2009-03-01
Location: Fountain, Florida
Date: 2013-08-05
Location: Fountain, Florida
Date: 2013-08-05
Location: My garden near Lincoln UK
Date: 2008-08-16
The leaveds are very impressive!
Location: Kalama, Wa.
  • Uploaded by Joy
Location: New York, NY
Date: 2015-06
Bronx bot garden conservatory
Photo by snarfie
Location: Chapin, SC
Date: 2016-09-26
Location: Chapin, SC
Date: 2016-09-23
Location: Plymouth Nursery, Plymouth, MI
Date: 2008-08-15
Location: Tellys Greenhouse, Troy, MI
Date: 2009-03-01
Location: my garden 
Date: 2015-05-13
Location: backyard 
Date: 2015-07-31
Runners
Location: Mobot, St L. (Missouri Botanical Garden)
Date: 2017-08-09
Location: Fountain,Florida
Date: 2013-08-05
Location: backyard 
Date: 2015-07-18
Location: Plymouth Nursery, Plymouth, MI
Date: 2008-08-15
Location: Tellys Greenhouse, Troy, MI
Date: 2009-03-01
This plant is tagged in:
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Plant Events from our members
piksihk On June 8, 2023 Plant Ended (Removed, Died, Discarded, etc)
piksihk On May 1, 2015 Plant emerged
jon On May 7, 2014 Obtained plant
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Identification by eclayne Apr 11, 2015 8:35 AM 2

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