According to Jeff Masters's weather blog, USDA updated its Plant Hardiness Zones, shifting Ann Arbor 5 degrees from zone 5 to the warmer zone 6. That puts us squarely in the area that the Ohio Buckeye tree thrives. In fact the USDA Forest Service expects an infestation.
Sorry to be the bearer of bad news.
Scroll down to February 10th.
http://www.wunderground.com/blog/JeffMasters/archive.html?year=2012&mont...




I thought this was about buckeyes taking over Crisler tomorrow. I'm relieved.