65-75 days to maturity. Allium tuberosum ‘Flowering’. Flowering Chinese Leek Seeds. Non-GMO, cool-season perennial heirloom. This popular Chinese specialty herb is a vigorous perennial. It is grown for its young flower buds, long stems, and slender deep-green blades. All parts of this plant are edible, including mature flowers, which have a delicate garlic onion flavor. The savory and handsome flower stems are considered gourmet in many parts of the world. This variety is suitable for harvest from mid-spring to early fall when grown in a greenhouse and from late spring to late fall when grown in the field. ~ 10,250 seeds / oz.