They grow to full size in one season. The varied leaf colors and patterns create many uses for caladiums in the landscape. They provide a striking contrast with the green foliage of other plants, especially when planted in the foreground. Caladiums need protection from full sun for best growth and color. Some newer varieties will tolerate full sun for a couple of hours daily, but all prefer dappled or moderate shade.
Caladiums require a warm, moist soil to grow.
Planting in cool soil results in slow growth or tuber rot. A good rule of thumb in determining when to set out caladiums is to plant them when you plant okra seed in the vegetable garden. Soil temperature of 70 F is preferred. Water frequently and thoroughly, keeping the soil evenly moist to touch but not saturated. Do not let caladiums sit in water if planted in a container.