Houseplant), highlights how caladiums don't tolerate cold temperatures. 'It’s best to plant them in spring, when the soil temperature is at least 65°F, and when the danger of the last frost is over,' ...
Caladium is a tropical plant originating in South and Central America. Outdoors, it's hardy in USDA zones 8 to 10, though it's often grown as an annual in colder climates. It typically grows to a ...