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COLOCASIA esculenta 'Hawaiian Eye'

Image of Colocasia esculenta 'Hawaiian Eye' (ROYAL HAWAIIAN® SERIES) PP19884

PlantHaven

Family

Araceae

Botanical Name

COLOCASIA esculenta 'Hawaiian Eye'( ROYAL HAWAIIAN® SERIES) PP19884

Plant Common Name

Elephant Ear, Taro

General Description

The big, bold, purplish green leaves of 'Hawaiian Eye' have a matte finish, wavy purple edges and are supported by dark purple petioles (leaf stems). It was bred by John Cho at the University of Hawaii Plant Breeding Program and also boasts increased hardiness and disease-resistance in addition to a tidier, runner-free habit.

A large, tuberous perennial native to tropical Asia, taro (kalo in Hawaiian) is grown for its huge, heart-shaped leaves that add drama to the landscape. It originates from India and tropical Asia, Colocasia esculenta where it is better known for its edible, starchy, bulb-like corms. In fact, it is considered one of the first plants cultivated by humans for food and is now naturalized throughout most of the subtropical and tropical regions of the world.

Also called elephant year, Colocasia esculenta produces huge arrow-shaped leaves held on tall leaf stems that arise directly from the corm. The leaf stem attaches to the leaf centrally. This stem attachment is known as “peltate” and is one of the characteristics used to identify Colocasia species. The similar looking leaves of Alocasia and Xanthosoma have leaf stems that attach along the edge of the leaf. Taro flowers are often hidden by the foliage, but the fragrant, calla lily-like flowers are creamy-yellow and appear sporadically in summer. The flowers are occasionally followed by columns of red or orange berry like fruits.

Colocasia prefers full to moderate shade but will also grow in full sun if provided sufficient moisture. It requires moist, organic-rich soil and will even tolerate fully saturated soils, though it does not favor stagnant soil. Evergreen in mild climates, taro is winter-dormant in its coldest hardiness zones and will die back to a starchy corm. Grow taro outdoors in a fertile moist bed, pond side garden or large container. It is easily grown as a tender perennial. Its large corms can be dug and stored in a cool dry place to over winter or container-grown specimens can be brought indoors. There are many colorful cultivated varieties to choose from and all are easy to grow.

Though used as a food source in many parts of the world, caution should be taken when preparing taro for consumption. There may be health concerns with the consumption of this plant. For more information see http://www.plantsciences.ucdavis.edu/ce/king/PoisPlant/Tox-SCI.htm Colocasia esculenta has escaped cultivation in some parts of the world and is considered an invasive weed in places like Hawaii and Florida. For more information about the invasiveness of this species see the reference, the Global Compendium of Weeds at http://www.hear.org/gcw/species/colocasia_esculenta/

Characteristics

  • AHS Heat Zone

    12 - 7

  • USDA Hardiness Zone

    8 - 15

  • Sunset Zone

    H1, H2, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Bulb or Corm or Tuber

  • Sun Exposure

    Partial Sun

  • Height

    4'-6' / 1.2m - 1.8m

  • Width

    4'-5' / 1.2m - 1.5m

  • Bloom Time

    Indeterminate

  • Native To

    Eastern Asia, Polynesia

Growing Conditions

  • Soil pH

    Acidic, Neutral

  • Soil Drainage

    Average

  • Soil type

    Clay, Loam, Sand

  • Tolerances

    Wet Site

  • Growth Rate

    Fast

  • Water Requirements

    Average Water, Ample Water

  • Habit

    Clump-Forming

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Yellow, Green

  • Fruit Color

    Red, Orange

  • Foliage Color (Spring)

    Purple, Dark Green

  • Foliage Color (Spring) Modifier

    Variegated

  • Foliage Color (Summer)

    Purple, Dark Green

  • Foliage Color (Summer) Modifier

    Variegated

  • Foliage Color (Fall)

    Purple, Dark Green

  • Foliage Color (Fall) Modifier

    Variegated

  • Foliage Color (Winter)

    Purple, Dark Green

  • Foliage Color (Winter) Modifier

    Variegated

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Bold

  • Foliage Sheen

    Matte

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Usage

    Bedding Plant, Container, Feature Plant, Herb / Vegetable, Mixed Border, Tropical, Water Gardens

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    No