60-70 Days to maturity. Brassica rapa var pekinensis 'Chun Yeon Gold'. Chun Yeon Gold Hybrid Chinese Cabbage Seeds. Annual Hybrid. Chun Yeon Gold is a napa-type Chinese Cabbage that develops 2-2.5 pound heads with a yellow inside. This variety is known for its heading ability in various conditions. It has a low moisture content providing an excellent flavor that is ideal for kimchi pickling. It is also slow to bolt and resistant to Downy Mildew and Soft Rot making it a favorite for the home garden. ~ 5,300 seeds per oz.