There are yellow radishes in the south, but they are rare. You can't buy yellow radish in the south. Yellow radish is one of the specialties in Xinjiang. Yellow radish, Daucus of Umbelliferae, origin: Central Asia, Europe, Asia, North Africa, South and North America. Edible: The taproot is large, which can be eaten raw, cold, fried, juiced, boiled, pickled, or used as feed. Seeds can be used to make tea, which is helpful to treat hernia or flatulence. It also has diuretic effect.