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10300 E. 9000 N Road | Grant Park, IL 60940

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Portora Elephant's Ear

Alocasia 'Portora'

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Portora Elephant's Ear (Alocasia 'Portora') at Woldhuis Farms Sunrise Greenhouses

Portora Elephant's Ear

Portora Elephant's Ear

(Photo courtesy of NetPS Plant Finder)

Portora Elephant's Ear (Alocasia 'Portora') at Woldhuis Farms Sunrise Greenhouses

Portora Elephant's Ear

Portora Elephant's Ear

(Photo courtesy of NetPS Plant Finder)

Height:  8 feet

Spread:  6 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  (annual)

Other Names:  Alocasia, Taro

Description:

Enormous, scalloped leaves on strong purple stalks, emerge from the center of this fast-growing hybrid, and can reach up to 8 feet; elegant as a large accent or screen; can tolerate some cold and grows well in containers

Ornamental Features

Portora Elephant's Ear's attractive enormous crinkled heart-shaped leaves emerge light green in spring, turning bluish-green in color the rest of the year. It features solitary conical creamy white hooded flowers with white centers rising above the foliage in mid summer. The fruit is not ornamentally significant. The purple stems are very colorful and add to the overall interest of the plant.

Landscape Attributes

Portora Elephant's Ear is an open herbaceous annual with an upright spreading habit of growth. Its medium texture blends into the garden, but can always be balanced by a couple of finer or coarser plants for an effective composition.

This is a relatively low maintenance plant, and usually looks its best without pruning, although it will tolerate pruning. It has no significant negative characteristics.

Portora Elephant's Ear is recommended for the following landscape applications;

  • Mass Planting
  • Hedges/Screening
  • General Garden Use
  • Container Planting

Planting & Growing

Portora Elephant's Ear will grow to be about 8 feet tall at maturity, with a spread of 6 feet. It has a low canopy with a typical clearance of 3 feet from the ground. Although it's not a true annual, this plant can be expected to behave as an annual in our climate if left outdoors over the winter, usually needing replacement the following year. As such, gardeners should take into consideration that it will perform differently than it would in its native habitat.

This plant does best in full sun to partial shade. It is quite adaptable, prefering to grow in average to wet conditions, and will even tolerate some standing water. It is not particular as to soil pH, but grows best in rich soils. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid, and parts of it are known to be toxic to humans and animals, so care should be exercised in planting it around children and pets.

Portora Elephant's Ear is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. With its upright habit of growth, it is best suited for use as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Screening  Garden  Container 
Applications
Flowers  Foliage Color  Bark 
Ornamental Features
 
     
     
 

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