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“Cole crops” is a general term used to describe several vegetables in the mustard family, including broccoli, Brussels sprouts, cabbage, cauliflower, collards, kale, and kohlrabi. All cole crops are cultivated varieties of the species Brassica oleracea. They are cool-season vegetables that prefer 60°-70°F temperatures for optimal growth and can withstand light frosts without injury.
Haynes, Cynthia; Nair, Ajay; Jauron, Richard; and Everhart, Eldon, "Cole Crops" (2018). Extension and Outreach Publications. 362.
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