Winner kohlrabi produces very smooth, light green bulbs that grow to weigh about 18 ozs. Its vigorous, upright plant produces bulbs that have a fresh, fruity taste. Good holding ability.While the leaves are still young and tender, they can be cooked like kale or collards. Winner is a large kohlrabi with a medium long petiole. It is on the heavy side, a pale green color, and the bulb has a semi-globe shape.