Kale, or Borecole
There are a large number of forms of kale, and these are thought by some to be the original type of the cabbage. Kale does not form a head and has convoluted leaves and thick leaf stems. It is cultivated the same as cabbage, but may be set somewhat closer. This crop is very hardy and will live through the winter in the open ground in localities where freezing it not too severe. The flavor of kale is improved by frost. Kale is used for greens during the winter, and as a substitute for cabbage.—(F. B. 255; N. Car. E. S. 132; U. Id. E. S. 10.)