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PlantFiles: Super Size Elephant Ear
Colocasia gigantea 'Thailand Giant Strain'

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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)
Cultivar: Thailand Giant Strain

4 vendors have this plant for sale.

56 members have or want this plant for trade.

Category:
Bulbs
Ponds and Aquatics
Tropicals and Tender Perennials

Height:
8-10 ft. (2.4-3 m)

Spacing:
8-10 ft. (2.4-3 m)

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:
Sun to Partial Shade
Light Shade

Danger:
All parts of plant are poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Late Summer/Early Fall

Foliage:
Grown for foliage
Deciduous
Herbaceous
Silver/Gray

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:
Non-patented

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

Seed Collecting:
Unknown - Tell us

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Thumbnail #1 of Colocasia gigantea by TomH3787

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By keonikale
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There are a total of 26 photos.
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Profile:

6 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive jv123 On May 19, 2014, jv123 from Vancouver, WA (Zone 8b) wrote:

Very easy to start from seed. Just lay a seed on moist compost and keep it moist. In three months it will go from a seed the size of a grain of sand to a foot tall. Then in another three months it'll be giant!

Positive henryr10 On Jul 3, 2012, henryr10 from Cincinnati, OH (Zone 6b) wrote:

We have grown Colocasia gigantea for a while.
This Colocasia gigantea 'Thailand Giant Strain' blows it out of the water.
A month or so ago we bought a 3' tall plant in a gallon pot.
Re-potted to a 36" pot manured and composted heavily.
Water daily.
We are now looking at 32" (shoulder to tip) leaves and a spathe and it's only the first of July!
We still have at least 3 months of growing to go here in Cincinnati.

Positive Jim_n_LB On Jan 9, 2012, Jim_n_LB from Long Beach, CA wrote:

Didn't really know what I was purchasing, but looked good. Two years later - amazing! Brown trunk is 3" tall and overall plant reaches nearly 12'. Planted east side of house, Long Beach, California

Positive stella On Apr 5, 2010, stella from Raleigh, NC (Zone 7a) wrote:

In North Carolina, we can keep this zone 8b plant alive over the winter by covering it with 1' of leaves and stuff during the winter. It does not start growing again until July, but by September it is huge!

Positive WendyKellyBudd On May 12, 2009, WendyKellyBudd from Chico, CA wrote:

I bought the tiniest start from an ebay seller last year. Potted it into a 24" pot, placed it under an oak tree where it gets direct morning sun and in the afternoon has bright light, but no direct sun. Summers are hot, and dry here. Also, keep it out of winds so the leaves don't shread.

This puppy grew so large!!! I have a photo of my hubby hiding under a leaf. Everyone comments on this plant.

AND, it overwintered outside in zone 8b. We live in a two story home, so I put the pot on the ground floor, against the house, protected under the second story's deck, facing South. February gets down to 22F here, I thought for sure it died. It was a blackened stub and there were no signs of life...but it came back in early May!! I bought another this year as no daughters came out last year. I will always have this plant in my collection.

Positive keonikale On Nov 23, 2008, keonikale from Lexington, SC (Zone 8a) wrote:

This is one of our favorite colocasia. It grows extremely fast and the leaves get quite large within just a few months. Spath's will bloom in rows of four and produce large seed pods (if pollinated) beneath each spath. Once they burst you can harvest the seeds, which will be in dozens (if not hundreds) of small "pouches." Each pouch holds dozens of tiny tomato sized seeds that can be planted and will sprout within 2-3 weeks. By three months they'll often have 3-4 leaves and be well on their way to becoming adults in another growing season or two.

Neutral Suze_ On Jan 20, 2006, Suze_ from (Zone 7b) wrote:

This huge strain of the giant elephant ear was grown from wild collected seed (PES 1003B) from Kanchanaburi Province, Thailand, in 2003 by former PDN research manager Petra Schmidt. In the wild, the plants reached a massive 9' tall, which is much larger than the clone of C. gigantea that we currently grow. For us, each individual leaf grows in excess of 5' long x 4' wide. Each seedling will differ slightly, but massive plants will be the result. In foliage, the leaves are an attractive glaucous-grey which is typical of this species. From an early age, the plants are adorned with clusters of dramatically large, pleasantly scented, white flowers.

Regional...

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

Chico, California
Garden Grove, California
Long Beach, California
Dunnellon, Florida
Fort Myers, Florida
Lakeland, Florida
Port Charlotte, Florida
Sarasota, Florida
Chicago, Illinois
Villa Park, Illinois
Fairfield, Iowa
St John, Mississippi
Toms River, New Jersey
Atkinson, North Carolina
Elizabeth City, North Carolina
Huntersville, North Carolina
Raleigh, North Carolina (2 reports)
Southern Pines, North Carolina
Cincinnati, Ohio
Perrysburg, Ohio
Ladys Island, South Carolina
Lexington, South Carolina
Sumter, South Carolina
Lake City, Tennessee
Louisville, Tennessee
Fort Worth, Texas
Galveston, Texas
Richmond, Texas



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