40-55 Days to maturity. Brassica juncea. Golden Frill Mustard Seeds. Heirloom, Non-GMO, Open Pollinated. Annual. Golden Frill Mustard Seeds. Brassica juncea. Non-GMO, Heirloom, Open Pollinated. Annual. 40 to 55 days to full maturity. Baby leaf harvest after about 20 to 25 days. This variety is fuller than the airy Golden Streak variety. The baby mustard greens have a more substantial leaf, but retain a frilly, delicate appearance. The leaves and stems are a uniform light green color, its mild spicy flavor is delicious! An easy and vigorous variety that grows from spring through late fall. Harvest baby leaves for salads or garnish, or sauté with garlic as a delicious side. Approx. 7500 seeds / oz.