FOR247, a 2-page fact sheet by Melissa H. Friedman, Michael G. Andreu, Heather V. Quintana, and Mary McKenzie, describes this common landscape plant that survives best where the average annual low temperature ranges from 35 to 40°F – scientific and common names, description, and applications. Includes references. Published by the UF School of Forest Resources and Conservation, May 2010.
http://edis.ifas.ufl.edu/fr309