healthier cabbage

Is Collard Greens A Spinach? Collard greens are a staple vegetable in Southern U.S. cuisine. They are often prepared with other similar green leaf vegetables, such as spinach, kale, turnip greens, and mustard greens in the dish called “mixed greens”. Are collard greens healthier than spinach? Collard greens are frequently eaten in the Southern U.S.