45-70 days to maturity.Amaranthus mangostanus ‘Lu Hsien’. Lu Hsien Green Leaf Amaranth Seeds. Non-GMO, Heirloom, annual. Amaranth is originally from the tropics of multiple continents; today, it is grown globally. The plant produces a high yield of tender leaves and vigorous growth in warm temperatures. Amaranth will tolerate hot, dry, and moist conditions but will not thrive in cold temperatures. All Amaranth plants are nutritious and edible. However, Lu Hsien Green Leaf Amaranth has particularly delectable leaves, stems, and seeds. As the plant ages, the flavor intensifies. About 15,000 Seeds / Oz.