“HARDINESS MAP. 
“O Sioux Lockout - 
"THE LIMITS OF THE — 
| AVERAGE ANNUAL MINIMUM 
TEMPERATURES FOR EACH ZON 
"HARDINESS. MAP . 
these. z0 : 
_ temperatures as liste by the U. 8. 
for the years 1895 ~ 1935 and es lished in the Atlas 
A ‘Agricultur . A. Washington, |936 _ 
of merican Agriculture, U. shing aha “Tope 9° 20° te 
- Zone 10 30° to 

HOW TO USE THIS MAP 
From it determine what zbne you are in. Every item 
carrying your zone numberjor 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 Page I. 
