Bay leaf trees, Laurus nobilis, are tender when young and do not withstand freezing temperatures. Older, established trees are hardy to temperatures of approximately 0 degrees F. The trees are native to the Mediterranean and love warm weather.
Diane Watkins has been writing since 1984, with experience in newspaper, newsletter and Web content. She writes two electronic newsletters and has a Bachelor of Science degree in chemistry from Clemson University. She has taken graduate courses in biochemistry and education.