An Introduction to Caladium Varieties and Care Methods

Caladium (Caladium spp.) is a perennial herbaceous plant of the genus Caladium in the Araceae family, also known as the angel wings or heart of Jesus, and is native to tropical America. It is grown mainly for its leaves, which are mostly heart-shaped or arrow-shaped and marked with white, pink or red blotches; the rich coloring makes it a common indoor foliage houseplant.

There are many cultivated varieties of caladium, usually divided by leaf color into green series, white series and red series, and so on; the different combinations of leaf base color and blotches give each its own ornamental character. It likes a warm, humid, semi-shaded environment, tolerates neither cold nor direct strong sunlight, and is best placed where it receives bright, indirect light.

In routine care, keep the potting soil moist during the growing season and mist the leaves and the surrounding air often to raise humidity; when the air is dry, the leaf edges tend to scorch and turn yellow. In summer, avoid the strong midday sun so the leaves do not burn, while too little light will fade the leaf color. After autumn, as temperatures drop, the leaves gradually wither and the plant enters dormancy; the tubers can be left in the pot or dug up and stored in dry sandy soil in a warm place, then replanted the following spring.

Among common problems, yellowing leaves are mostly related to overwatering, unsuitable light or temperatures that are too low, so check the environmental conditions first before adjusting your care routine. In addition, the sap of caladium is irritating, so it is best to wear gloves when pruning or repotting, avoid ingesting it, and pay attention to where you place it if there are children or pets at home.