http://blog.nwf.org/2012/01/new-plant-hardiness-zones-confirm-what-gardeners-already-know-about-global-warming/ The National Wildlife Federation's blog Mon, 20 May 2013 00:20:00 +0000 hourly 1 http://wordpress.org/?v=3.5.1 http://blog.nwf.org/2012/01/new-plant-hardiness-zones-confirm-what-gardeners-already-know-about-global-warming/comment-page-1/#comment-13002 what a wierd winter! : Wildlife Promise Tue, 20 Mar 2012 21:40:33 +0000 http://blog.nwf.org/?p=42848#comment-13002 [...] gardeners, the whole map has moved! Who knows when the last frost free date is in their area any more? I put corn and peas in [...]

]]>