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PlantFiles: Variegated Upright Elephant Ear, Giant Taro, Wild Taro
Alocasia macrorrhizos 'Variegata'

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Family: Araceae (a-RAY-see-ee) (Info)
Genus: Alocasia (a-loh-KAY-see-uh) (Info)
Species: macrorrhizos (mak-roh-RY-zos) (Info)
Cultivar: Variegata

Synonym:Alocasia macrorrhiza
Synonym:Arum indicum
Synonym:Colocasia indica

29 members have or want this plant for trade.

Category:
Bulbs
Ponds and Aquatics
Tropicals and Tender Perennials

Height:
12-15 ft. (3.6-4.7 m)

Spacing:
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Hardiness:
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)

Sun Exposure:
Partial to Full Shade

Danger:
All parts of plant are poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Late Summer/Early Fall
Mid Fall

Foliage:
Grown for foliage
Deciduous
Herbaceous
Variegated

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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There are a total of 12 photos.
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Profile:

4 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive gothqueen On Nov 2, 2008, gothqueen from Gainesville, FL wrote:

This is a very easy alocasia to grow and propagate in zone 8B/9A. I grow it outdoors in the ground in many locations in my yard...I just keep dividing pups off and planting them. It will not go dormant until a hard freeze usually (below 28 for more than 2 hours). In spring it comes back out, and gets to be about 2.5-3 ft tall over the growing season before winter knocks it back again. Will also grow as an aquatic plant in a bog garden. I grow it in both sun and shade, it seems to have no preference here. I keep 2 specimens inside the greenhouse year round, these have gotten to be about 6 ft tall and have trunks now. I fertilize these plants regularly with 20-20-20 and have never had any problems with them reverting to green because of that.

Positive DaleTheGardener On Jul 7, 2007, DaleTheGardener from Tampa, FL (Zone 10a) wrote:

A fast growing Alocasia that loves warmth, water and grows fast. Prefers shade, but, will not do well if grown in dense shade. It will turn green if given chemical types of fertilizer, but, returns to variegated leaves when the fertilzer gets used up.

Doesn't live in cool condidtions at all. I have found that my plant does not make a bulb, rhizome or any kind of sizeable underground root. I have to keep mine in a container. I am on the northern edge of Zone 10 and it stops growing even in our most mild winters and will decline in a cold winter.

I have planted it in the ground when I have divided it. The divisions planted in the ground did not return except as very small (I mean tiny 1") plants. A truly tropical Alocasia.

Positive Zebra_plant On Apr 4, 2006, Zebra_plant from Johnson City, TN wrote:

My grand-daughter got an Elephant Ear for her mother last year (2005) for Mother's Day. Although she loved the plant very much, She had the plant in a pot on her patio, watering it once a week or so. She did not have any luck with it and so she brought the plant to me and I moved it indoors. I keep the plant watered to where the soil stays moist, not wet. It is in a well lite room but out of direct sunlight. It seems to do better when it is kept cooler 60 - 70 degrees F. Where my daughter had the plant it was very hot and dry. It has grown alot since I've had it, blooming reguarly during the late summer - mid fall. It will only grow 3 - 4 leaves at a time when a new leaf starts to grow one of the other leaves will immediately wilt. Do not cut the wilted leaf. Let it hang until it turns brown and then cut it to about 3" to the trunk and fold the rest down over the bulb. If you cut the wilted leaf too soon I have found that it will not let another leaf produce. My plant is beautiful. My grand-daughter now buys me the plants.

Positive suncatcheracres On Oct 8, 2003, suncatcheracres from Old Town, FL wrote:

Purchased my plant from a local grower under the name Alocasia macrorrhiza 'Albovariegata,' but it looks just like the first plant pictured here. The grower said this plant is unusual in that it cannot be tissue cultured as the variegation is entirely random. I also purchased my variegated pine cone ginger from him, which has white margins and green centers, and he said the pine cone ginger can be tissue cultured as the variegation is "regular." I thought this was all very interesting. This grower is specializing in variegated plants that cannot be tissue cultured, hence are rarer, and thus more expensive.

I grew the green type of Alocasia macrorrhiza for years in the Atlanta area, zone 7b. They froze down, but came back. The grower I bought my 'Alboraviegata' from said it was hardy here in north-central Florida, zone 8b. Southern Living Garden Book says the species is hardy to 29F degrees, and will die back at lower temps, but will return in spring if frosts aren't too severe. I've found mulching helps.

I planted my 'Albovariegata' in the shade of a large live oak tree.

Regional...

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

Concord, California
Deltona, Florida
Floral City, Florida
Fort Lauderdale, Florida
Gainesville, Florida
Lakeland, Florida
Old Town, Florida
Stuart, Florida
Tampa, Florida
New Orleans, Louisiana
Lusby, Maryland
Vieques, Puerto Rico
Red Oak, Texas
Richmond, Texas



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