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When to dig up caladiums – Since caladium tubers will not tolerate frost, they should be dug up before it gets too cold outside. The foliage will naturally start to die back once the temperature gets down into the 50sF, but may not die back completely before they need to be lifted from the garden.Click to see full answer. Hereof, when should caladium bulbs be dug up?Once temperatures begin to fall and stay below 60 F. (15 C.), dig up your caladium bulb with the foliage still attached. Don’t try to remove any of the dirt from the roots yet. Place your plants in a cool, dark area for 2 to 3 weeks.Beside above, do Caladiums come back year after year? Grow caladiums (Caladium bicolor) for their showy leaves and a low, mounding growth habit. Caladiums will grow from their tubers every year in U.S. Department of Agriculture plant hardiness zones 9 through 12. In cooler climates, caladium may be kept as a houseplant or you can dig the tubers up and store them. Keeping this in view, how do you dig and store caladium bulbs? If you want to try to save caladium tubers for another year, dig them as soon as possible and allow to dry in a well-ventilated but shady area. After 7 to 10 days, remove leaves and dirt, then pack in dry peat moss, vermiculite or similar material for storage. Pack tubers so they do not touch each other.Why do caladiums fall over?Caladiums come from tropical Brazil and do not like low temperatures. When air temperatures drop below 65 degrees Fahrenheit, including at night, the leaves will begin to droop and eventually collapse. If the plants are in pots, bring them indoors and set them back outside during the daytime.

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