SAN DIEGO 
THE LIMITS OF THE 
AVERAGE ANNUAL MINIMU 
TEMPERATURES FOR EACH ZONE 
— 
Zone 
Zone 
Zone 
Zone 
Zone 
Zone 
Zone 
Zone 
OON AH KR WHN 
Zone 
Zone 10 
In Northern Canada 
-50° 
-35° 
-20° 
-10° 
-5° 
5° 
10° 
20° 
30° 
to -35° 
to —20° 
to -10° 
to -5° 
fey, the 
to 10° 
to 20° 
to 30° 
to 40° 
M 
a 
lo 
From this map determine what zone you are 
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. If you 
went to take a chance on those rated one zone 
greater, there is a good possibility of success. 
BISMARCK 
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RAPID CITy 
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and ») 
TAMPA 
