The Arbor Day Foundation has recently completed an extensive updating of U.S.
Hardiness Zones based upon data from 5,000 National Climatic Data Center cooperative stations across the continental United States.
Not exact matches
The
Hardiness Zone color - key map divides the United States and Canada into 11 different zones based on the average temperature for each z
Zone color - key map divides the United States and Canada into 11 different
zones based on the average temperature for each
zonezone.
The Arbor Day Foundation developed this U.S.
Hardiness Zone Map
based upon data from 5,000 National Climatic Data Center cooperative stations across the continental United States.