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Colocasia Diamond Head

Colocasia 'Diamond Head'

Each Leaf Reaches Up to 2½ Feet Long!

Item # 49400

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Plant Patent #19,939

Boasting a sheen highly unusual for Colocasia cultivars, these brilliant heart-shaped violet to black leaves are elegantly rippled and beautifully held up and out for maximum showiness. 'Diamond Head' is an exciting breeding breakthrough in Elephant Ears, with a new texture and distinctive dark coloration that holds even in the hottest weather.

Reaching up to 2½ feet long, each leaf of this quick-growing Elephant Ear is distinctive and bold. The petioles (stems) of the foliage are showy, too, in deep shades of burgundy that blend well with the leaves. 'Diamond Head' reaches 4 feet high and spreads 2 to 3 feet wide in part shade, making it a bold choice for the north side of the house, a shaded foundation planting, and the border.

'Diamond Head' was introduced in 2008 by breeder John Cho of Hawaii. It is a descendant of C. 'Putih' x C. 'Black Magic,' but it outdoes both parents in color and texture. Most amazing is the glossy sheen of the foliage, a texture typically found in Alocasia but not Colocasia cultivars.

Dramatically veined and lightly ruffled along the edges, the leaves on this plant are nothing short of magnificent. Find a consistently moist place in up to three-quarters shade and let 'Diamond Head' regale you from spring until frost! And if you would like to grow it north of its zone 7 hardiness limit, find a large container and bring it to a frost-free location to overwinter. Easy and very impressive in a wide range of settings. Zones 7-10.

Review Summary
(Based on 1 Reviews)

Overall Rating: 5.0 / 5.0


Loves water
Kent from MS wrote on July 14, 2019:

Bought this unique-looking plant for the north side of my house. It does not seem to mind my full-sun location. I selected a spot that has standing water after a good rain, and it is thriving. After two months it even has two tiny plants popping up next to it! I am very happy with it.

Tips for gardening in particularly hot, dry climates:

1. Water with a drip system whenever possible – soak the bed slowly and thoroughly to a depth of 10" to 12".

2. Watering deeply every 3 to 5 days is preferable to a shallow daily watering.

3. Water in the early morning, so foliage has time to dry.

4. Add a 2- to 3-inch layer of mulch or similar material to aid in water retention and help keep the roots cool during hot weather.