Kale, broccoli, Brussels sprouts, cabbage, cauliflower, collard greens, and kohlrabi are staples in kitchens ... "It is all one plant, Brassica oleracea, that humans have selected over multiple ...

However, sometimes it can be purple. Since kohlrabi is a particularly hardy vegetable, it is also easy to grow yourself. For the best results, sow kohlrabi seeds around three to four weeks before ...