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APPROXIMATE RANGE OF 
AVERAGE ANNUAL MINIMUM 
TEMPERATURES FOR EACH ZONE 
ZONE 1 BELOW -s0°F [7 7} 
2 -50° TO -40° 
ZONE 3 -40° TO -30° [/77) 
ZONE 4 -30° TO -20° FY 
5 -20° TO -10° 
6 -10°To «of ES 
ZONE 7 0° TO 10° 
8 10°To 20° Exod 
ZONE 9 20° TO 30° 
ZONE 10 30° TO 40° Eee 
ZONE 
ZONE 
=e ZONE 
ZONE 
The Plant Hardiness Zone represents the coldest zone in which a 
particular species might survive freezing weather. The species 
THE ZONES OF PLANT HARDINESS would be expected to be hardy in warmer (or higher numbered) 
zones. Other factors, such as precipitation and kind of soil, also 
affect how well the tree, shrub, or herb will grow. 
71 
