Collard raab, also known as collard greens raab or simply collard raab, is a type of leafy green vegetable that is similar to broccoli raab. It is a member of the Brassica family and is closely related to collard greens, broccoli, and cauliflower.
Collard raab has long, slender stalks with small, tender leaves and yellow flowers. The flavor is mildly bitter with a slightly nutty taste, and the texture is tender and slightly crunchy. It is usually harvested in the spring or early summer, before the flowers have fully opened.