Inside The New York Botanical Garden

Home Gardening Center

Gentle Giants in the Garden

Posted in Gardening Tips on September 23 2014, by Sonia Uyterhoeven

Sonia Uyterhoeven is NYBG‘s Gardener for Public Education.


colocasia esculenta electric blue gecko
Colocasia esculenta ‘Electric Blue Gecko’

This year we have planted a number of varieties of elephant’s ear or taro (Colocasia esculenta) in the Home Gardening Center. Colocasia is sometimes confused with Alocasia macrorrhiza, which is also known as elephant’s ear or giant taro, but the two are quite easy to distinguish.

They both have massive foliage that looks—as the name suggests—like an elephant’s ear. The most identifiable difference between the two genera is that the foliage on Alocasia points upwards like an arrowhead, while the foliage on Colocasia points downwards to form the shape of a heart.

Earlier this year, I wrote about one of the Colocasia in the Trial Beds in the Home Gardening Center—C. ‘Electric Blue Gekko’. Now that the season has progressed, it is easier to make an assessment of the different varieties grown and to pick out favorites.

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