Zone 
Zone 
Zone 
Zone 
Zone 
Zone 
Zone 
Zone 
Zone 
Zone 10 
-5° 
THE LIMITS OF THE 
AVERAGE ANNUAL MINIM 
TEMPERATURES FOR EACH Z 
In Northern Canada 
-50° to 
-35° to 
-20° 
-10° 
-35° 
—20° 
-10° 
=5° 
5° 
10° 
20° 
30° 
40° 
o 
= 
ie) 
From this map determine what zone you are in. The 
number listed beside each variety in this catalog indi- 
cates the zone in which that variety will be hardy. 
Every variety that carries your zone number or a 
smaller number should be hardy in your area. 
went to take a chance on those rated one zone 
greater, there is a good possibility of success. 
