The map charts 13 zones nationally using 5-degree temperature divisions, each number corresponding to a Zone A and B (1A, 1B, etc.). Massachusetts ranges from 5A (in the Berkshires) to 7B (at the ...

What the climate zone map can tell you about a plant’s growth potential Share this: Click to share on Facebook (Opens in new window) Facebook; Click to share on X (Opens in new window) X; ...