Generally, in North Central Texas, it's best to wait until about the middle of April to plant your caladium bulbs. Caladiums don't really get going until the soil temperature reaches around 68-70 degrees. If you plant them too early, when the soil is still cool and wet, you may end up with some rotten bulbs. They will also be very slow to emerge. By mid-April, caladiums will emerge quickly after planting. Just keep you caladuims stored in a cool dry place until you plant - paper bags are great.
If you have leftover caladiums that you don't plant in the spring, or find some on sale during the summer months, you can also plant them for a fall show. Plant your extras during the first two weeks of September (by Sept. 15). You'll get a second round of caladiums that will look great until first frost. You'll also find that the cooler fall temperatures really make the foliage color pop.
LFH
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