All Things Maine
All Things Maine

Monday, February 05, 2007

Hardiness Zones, 1990-2006

The National Arbor Day Foundation website has a neat animation showing how hardiness zones have shifted northward since 1990. It reveals that parts of Maine's interior have jumped a planting zone—from 3 to 4, or from 4 to 5—and that some coastal areas have even reached zone 6.


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