APPROXIMATE RIPENING DATES OF STERLING SEED CORN VARIETIES 
With average season and average conditions. 
NORTHRUP, KING & CO’S DEPENDABLE STERLING SEED CORN 
> 
< 
2 
i£uiu:£:u:u 
■ ■ ■ ■ | 
17 
Based on conditions at Minneapolis, Minn, planting May 15, coming up May 25. Farther north, the spread between 
earlier and later varieties would be greater, and farther south, spread would be less. 
