Caladiums are barely hardy here but have been coming back for the past 3-4 years, they get bigger and more pretty every year. A (Caladium or other type) bulb must reach mature size before it can bloom. After seeing the difference in size after a few years, it's obvious most of the bulbs in bags at stores are not 'the big ones.' Some Caladium flowers smell really good, so don't forget to try sniffing them!