“AVERAGE ANNUAL MINIMUM - 
EMPERATURES FOR EACH ZONE 
These zones are based on average annual minimum oe s x“ 
temperatures as listed by the U.S. Weather Bureau | a oe ee » Torie: 6 ~5°- to 
for the years 1895 ~ eg ald eaehaned inthe Atlas -. ae 3 oo. oe os eee ie ee 
of American Agriculfure,! ; EP su paiars 756 . 2 8. 20 | Pe ae 2. 30° Sa 
Zone 10 50° to 40° Sanaa | 




HOW TO USE THIS MAP | 
From it determine what zone youtare in. Every item carrying your zone 
number or a smaller number should be hardy with you. If you want to 
gamble on those rated one zone greater, there is at least a chance for 
success, but two zones greater will probably be hopeless. 
For full explanation of the entire system see inside of the front cover. 
14 15 
