This page tells how to buy organic mustard greens seeds from David's Garden Seeds.
Popular "red" mustard from Japan. Large, purple-tinted leaves. Mild mustard flavor. Larger, later, slightly darker, more narrow-stemmed, and 3-4 days slower bolting than Osaka Purple.
Red Giant 500 Organic Seeds
David’s Garden Seeds, gardening is our passion. We provide top quality
non-GMO seeds so families can learn to garden and love it. In turn, we
hope they will pass this passion down to their children and
grandchildren, teaching them to grow delicious food, fresh herbs, and