Colocasia esculenta 'Royal Hawaiian Black Coral', Taro, Elephant Ear

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Growing Zone: 8-11

Growing Zone: 8-11 Outdoors

Plant Specifications

Plant Name Colocasia esculenta 'Royal Hawaiian Black Coral'
Mature Height 3-4 feet
Mature Width 2-3 feet
Spacing 3-4 feet apart
Sunlight Partial Sun/Shade
Temperature Tolerance 60-85°F
Watering Needs Moderate (Once a week)
Growth Rate 10 inches/year
Difficulty Level Easy
Grows Well Indoors Yes, with indirect sunlight
Flowering Time Late Summer to Early Fall
Origin Native to Hawaii

The Colocasia esculenta 'Royal Hawaiian Black Coral', also known as Taro or Elephant Ear, stands as a majestic emblem of tropical beauty. With its deep black-purple leaves that shimmer with a satin-like finish, this plant promises to be a stunning focal point in any garden setting.

How to Grow

The 'Royal Hawaiian Black Coral' thrives in partial to full sunlight. It's suited for USDA zones 8-11 and loves consistently moist, well-draining soil. Plant its bulbs 4 inches deep, allowing ample space between each for its large leaves to spread.

Care Tips

This variety of Elephant Ear demands regular watering to maintain its lush appearance. While it relishes moisture, avoid letting it sit in stagnant water to deter root rot. In hotter climates, a shaded afternoon spot will help prevent leaf scorching.


The dramatic leaves of the 'Royal Hawaiian Black Coral' are not just ornamental delights but are also popular in several culinary dishes, especially in Asian cuisines. Its aesthetic appeal makes it a prime choice for both container gardening and aquatic landscapes.

Planting Tips

When planting this Taro, ensure the pointed end of the bulb faces upwards. For a bold visual impact, consider planting in clusters. If in containers, choose a sizeable pot to accommodate its growth and ensure proper drainage.


During its growing season, feed it with a balanced, water-soluble fertilizer every 2-3 weeks. As winter sets in, reduce the frequency of watering. In colder zones, consider bringing containers indoors to shield from frost.

Pests and Diseases

While generally hardy, watch for spider mites and aphids. A gentle spray of insecticidal soap can keep these at bay. Proper soil drainage and avoiding waterlogged conditions are paramount to prevent diseases like fungal and bacterial rots.

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Estimated Shipping Time: Most orders ship immediately. As noted on the website, some items are seasonal, and may only ship in spring or fall. Once your order is shipped, you'll receive an email with a tracking number.

Shipping Cost:
Orders less than $199 have a standard $29.95 shipping cost. Orders over $199 SHIP FREE

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