This section is from the book "Commercial Gardening Vol4", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
What is popularly known as the Scotch or Curly Kale is a useful hardy winter vegetable, sown in seed beds in April or May, and can be planted out up to middle August. It can be sent to market as soon as cold weather whets the public appetite for green vegetables, and its season lasts until Turnip tops and Spring Greens oust it. It is especially useful when Spinach is scarce, and the leaves of good curled sorts have been used for garnishing when Parsley has been dear. In selecting seed a good dwarf curled sort should be chosen. Let the market grower fight shy of the mongrel abominations sold as "Cottagers' Kale". [w. g. l].

Fig. 463 - Tall Scotch Kale.
 
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