Then there is Russian red kale ... Didn't Know About Tomatoes Also known as winterbor, Scottish, or blue curled scotch, curly kale is the variety that you're most likely to see in stores.

Curly kale is available from September to March. Other varieties of kale include Red Russian kale, cavolo nero (or ‘black kale’), and thousand-head or hungry-gap kale. Curly kales deteriorate ...