Non-GMO, Heirloom Southern Giant Curled Mustard Seeds from True Leaf Market. Southern Giant Curled Mustard is a staple in Southern gardens. It has large, bright green fringed and curled leaves with a mild flavor. Originating in the Himalayan region of India over 5,000 years ago, mustard greens spread throughout China and then the rest of the world.

Read Full Mustard Herb Growing Guide Instructions