Florida Sweetheart Caladium Bulb - Fancy Leaf Caladium - 1 Caladium Root Caladiums are popular because of their attractive, long-lasting foliage. They grow well in full to partial shade They are superior indoor plants, and also grow well in the garden Hardy in zones 9-11. Top sized root Plant 2" deep in full to partial shade, or indoors Caladiums are popular because of their attractive, long-lasting foliage. They grow well in full to partial shade. They are superior indoor plants, and also grow well in the garden. Hardy in zones 9-11. Plant 2" deep.