Pot Shots: Elephant Ears

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All of the various ‘elephant ears’ love our coastal Virginia heat and humidity.  They grow visibly each day, generously sending up new leaves so long as they are kept watered and their soil is rich with nutrition.  This pot of Caladiums, Alocasia and Colocasias was just potted up yesterday.  it looks a bit sparse at the moment, but will soon fill in very nicely.

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Caladium ‘Pink Splash’ will grow to two feet in partial sun.  It grows with a Begonia, a dark purple hybrid Colocasia and Alocasia ‘Portora.’

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Caladiums are hardy only to Zone 10, but it is easy to dig them up and dry them in November, saving them inside over the winter to grow again the following year.  Keep even their dormant tubers at 65F or above.  The Caladium ‘Southern Charm’ is a new hybrid that grows in full to partial sun.

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Alocasias are hardy to Zone 8 or 9, and so they can be brought indoors in pots and kept alive in a garage or basement over winter.  I’ve not had good luck with digging and drying their tubers, but kept our best Alocasias in full leaf and growing all winter in our garage.

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I bought this Alocasia at Trader Joes last winter and don’t know its cultivar name. It will be interesting to see how large it grows.

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Most Colocasias are also hardy only to Zones 8 or 9, though there are a few that will survive our Williamsburg winters in the ground.  They spread by stolons and so increase each year.

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Colocasia ‘Mojito’, hardy to Zone 8, spends its winter vacation in a pot in our basement.  This division is quickly outgrowing its pot in our new little water garden.  Many Colocasias grow happily in a pond or boggy ground.

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When kept from year to year, all three of these elephant ears calve off new tubers and increase.  Their tubers grow a bit beefier each year and produce larger plants each summer.  If you like elephant ears, and take simple measures to help them through winter, you will soon have plenty to grow and more to share.

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Colocasia ‘Pink China’ is hardy in our Zone 7 garden.  Alocasia ‘Sarian’ grows in a pot with Caladium ‘White Queen.’

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The potential size of most Colocasia and Alocasia hybrids is determined by available light, moisture, and how much room you give their roots to grow.  They may grow to 6′ high or more when their needs are met.  They always grow larger planted into garden soil than when grown in a pot.  But, it is easier to keep them alive year to year when they live in a pot.

When potting or re-potting, I mix some Espoma Plant Tone into the potting mix.  Depending on the mix, I often add some additional perlite to improve aeration and drainage.  Mulch the soil with pea gravel or aquarium gravel to neaten up the presentation while helping to retain moisture for these thirsty plants.  Finish with a sprinkle of Osmocote time release fertilizer to keep them well nourished every time you water.

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This Alocasia kept some leaves through the winter in our living room.  It is sending up new growth now that it is back out on the patio.

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If you want to grow something truly spectacular in your summer pots, and something that needs very little care or attention from the gardener, try any of these beautiful ‘elephant ear’ plants.  Add a Begonia or two for blooms, and you will have your own bit of tropical paradise in your summer garden.

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June 6, Alocasia ‘Portora’ has begun to grow surrounded by Caladium ‘Southern Charm.’ By next month this time, the Alocasia, which can grow to 6′,  should be significantly taller than the Caladiums.

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Woodland Gnome 2019
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These Colocasias are just getting started on their summer growth.

 

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About woodlandgnome

Lifelong teacher and gardener.

3 responses to “Pot Shots: Elephant Ears

  1. Those are rad, but are none too keen on aridity. I can grow them here if I want to, but they did not do so well in the Santa Clara Valley.

    • You’re right, Tony. They really love the humidity! I’m sorry you can’t grow them well in your valley- maybe in an area with regular overhead irrigation?

      • Oh, there are plenty of other exquisite plants to grow. I do not put too much effort into those who are not happy here. Those who wad more humidity are grown in riparian spots, or not grown at all.

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