![Minnesota Restricts Walnut Trees From Disease Areas](http://townsquare.media/site/67/files/2010/12/minnesota_news_green.jpg?w=980&q=75)
Minnesota Restricts Walnut Trees From Disease Areas
Minnesota is taking steps to protect its eastern black walnut trees from a tree-killing disease. State Agriculture Commissioner Dave Frederickson has restricted the import of walnut trees and wood into Minnesota from areas known to be infested with Thousand Cankers Disease.