The O.S. stands for oversized which is fitting since this cabbage  exceed 70 pounds when grown in opitmal growing conditions. A true show-stopper, O.S. Cross is a high-quality, bolt-resistant F-1 hybrid that produces enormous flat-topped exhibition-sized heads, making it perfect for those aiming for both aesthetic and yield excellence. At Brawley Seed Co., we are proud to offer this exceptional variety, ensuring you have the best possible start for a productive and impressive garden.