50-55 days maturity after transplanting. Momordica charantia ’Mara’. Mara Bitter Gourd Seeds. Non-GMO, warm-season, annual, hybrid. The Mara gourd is a classic bitter gourd that is much less bitter than the typical Indian types. It is a vigorous, high-yielding, and high-quality fruit. This open-pollinated plant creates large, cylindrical, and shiny green fruits that grow up to 3 inches wide and 11 inches long. The typical fruit weighs about one pound. Approx 195 seeds / oz.