File talk:Maryland2012USDAZoneMap.png

This map appears to be original research and it should not be attributed to the USDA; the source of its information is unclear but it does not correspond to the 2012 zone map for Maryland as actually published by the USDA:

http://planthardiness.ars.usda.gov/PHZMWeb/Images/150dpi/MDDC.jpg

160.111.254.17 (talk) 15:11, 4 December 2012 (UTC)