Cabbage, broccoli, cauliflower, kale, and Brussels sprouts are all different types of vegetables, but they share a common ancestor. They all come from the same plant species known as Brassica oleracea. This Taille du Photinia : quand et comment le tailler ? Vegetable Companion Planting Chart (Free Printable) Yellow Wood Sorrel Sour Grass Cooperative Extension: Cranberries University of Maine Cooperative Extension