The USDA came out with a new climate zone map in 2012 after I believe not updating it in 20 years.
Interesting how some zones have changed. I went from a 6b to a 7a I quit buying warm winter coats. LOL
http://planthardiness.ars.usda.gov/PHZMWeb/
Interesting how some zones have changed. I went from a 6b to a 7a I quit buying warm winter coats. LOL
http://planthardiness.ars.usda.gov/PHZMWeb/