65-75 day maturity. Vigna unguiculata subsp sesquipedalis ‘White Seeded’. White Seeded Yard Long Bean Seeds. Non-GMO, Warm-season annual heirloom. White Seeded yard long beans are 24” long, firm, and tender. The sturdy, low-maintenance plant needs a warm climate to thrive and will reward you with high yields. Yard Long Beans get traditionally interplanted with arugula, corn, or bitter melon vines for increased pest resistance, faster growth, and efficient use of space. They are most common in southern China, where they are loved for their delicious beans. Approx. 210 seeds / oz.