Dark purple color, prolific plant. Hot flavor when raw, disappears when sauteed or steamed. Stays fresh though January or longer in a cold frame. [In the photo, Osaka Purple is the purple-leafed plant] Works well for fresh winter garden growing as well as summer. Annual, but excellent self-seeder both in the garden and greenhouse. 35 heirloom seeds per pack. 100% natural, chemical-free seeds. Free shipping on orders over $34. Botanical name: Brassica juncea.