Among the most popular ones that you're most likely to come across in supermarkets are curly, Tuscan, and Russian red kale. The difference between these three varieties is obvious from the moment ...

Kale comes in several varieties, including curly, lacinato, Mediterranean, and red Russian. No matter what variety you choose ...

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 ...