Overview: Our focus today is Nozawana, a leaf vegetable indigenous to Japan. This one-meter-long vegetable is often pickled, as it spoils quickly. Nozawana was first grown in Japan in a village 600 meters above sea level. It has long provided snowed-in villages with a precious source of nutrition during harsh winters. Find out more about the vegetable that went from supporting mountain villages to being loved all around Japan.