Mustard requires Loamy or Clayey Loam Soil. The Brown Mustard is from China and now being grown in Northern part of India. The Black Mustard is grown in Southern Mediterranean region. The White Mustard seeds are widely grown in Australia, Chili, Canada, Denmark, China, Italy, Japan, UK, USA, Netherlands, North Africa. Mustard seeds come with nutrients that can be exceptionally beneficial for the human body.