Dark Green COS
 

Description
The plant has an erect large frame.  The leaves have a strong midrib and are slightly savoyed.  The head is rosette in shape, and very large.  Coloration is dark green.  It has a white blanched heart that is tender and sweet.
 
Maturity
Approximately 65-70 days
 
Comments
It is suitable for Fresh Market, and Home Gardens.