56-63 Days to Maturity (after transplanting). Momordica charantia. Bitter Green Bitter Gourd Seeds. Non-GMO, warm-season, annual, hybrid. This bitter gourd produces a generous crop of large, heavy, and uniform fruits with distinctive vertically scored, shiny, and warty light green skin. It prefers warm, humid conditions. Fruit measure up to 12-13 inches and 3 inches in diameter. The leaves and young shoots are also edible; it is recommended as a healthy food by the American Diabetic Association. Approx 195 seeds / oz.