The jade plant, formally "Crassula argentea," thrives in only the most tropical climates. In the United States, it is cold hardy in US Department of Agriculture (USDA) growing zones 10 and 11. That area includes south Florida, coastal regions of California and a portion of Arizona.
About this Author
Sandy Mitchell is an Ohio-based writer, blogger and editor. Among other projects, she writes for About.com and "The Better Drink." Before devoting herself full time to writing, Mitchell was a travel agent and cruise school instructor for 18 years. She holds a Bachelors of Science in business administration from Bowling Green State University.