65-75 days to maturity.Arctium lappa. Ha Gobo Burdock Seeds. Non-GMO, Heirloom, Cool-season Annual. Open-pollinated. Burdock has been grown for centuries, mainly in China and Japan, for its culinary and medicinal uses. It is loved for its edible crisp roots, tender leaves, and hearty stems. The thick white stalk is about 12" long with light green tender leaves. The edible root is about 6" long. In Japan, it is used fresh for salad and has a pleasant earthy aroma. Approximately 1,700 seeds per oz.