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PlantFiles: Giant Elephants ear
Colocasia formosana

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Family: Araceae (a-RAY-see-ee) (Info)
Genus: Colocasia (kol-oh-KAY-see-uh) (Info)
Species: formosana (for-MOH-sa-nuh) (Info)

2 members have or want this plant for trade.

Category:
Perennials
Tropicals and Tender Perennials

Height:
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)

Spacing:
Unknown - Tell us

Hardiness:
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)

Sun Exposure:
Sun to Partial Shade
Light Shade

Danger:
Unknown - Tell us

Bloom Color:
Unknown - Tell us

Bloom Time:
Unknown - Tell us

Foliage:
Grown for foliage
Herbaceous
Blue-Green

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

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

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

Seed Collecting:
Unknown - Tell us

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to view:

By mike_freck
Thumbnail #1 of Colocasia formosana by mike_freck

By mike_freck
Thumbnail #2 of Colocasia formosana by mike_freck

By mike_freck
Thumbnail #3 of Colocasia formosana by mike_freck

By mike_freck
Thumbnail #4 of Colocasia formosana by mike_freck

By phicks
Thumbnail #5 of Colocasia formosana by phicks

By ginger749
Thumbnail #6 of Colocasia formosana by ginger749

By ginger749
Thumbnail #7 of Colocasia formosana by ginger749

There are a total of 8 photos.
Click here to view them all!

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral mike_freck On May 7, 2007, mike_freck from Lincoln
United Kingdom (Zone 8b) wrote:

I Purchased this plant from Crug farm plants in Wales uk, spring 2007.
So far ever time it grows a new leaf another one dies. It has been hard work!
Its a small plant so at the moment looks the same as most other Alocasia.

Mike

April 2008..its growing stronger now and has overwintered ok in my House. I will move him into the greenhouse in may and the into the garden for the summer.
Has produced so many runners that snap off and then you plant them which ever way up you like they still seem to grow.

Mike

Regional...

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

,
Lincoln,
Huntsville, Alabama
Lakeland, Florida
Indianapolis, Indiana



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