Autumn King Giant Carrot is one of the largest Heirloom, open-pollinated carrots. A great choice for juicing and canning, these will grow about 1.5 to 2.5 inches round; and they have been known to get over 16 inches long. The Autumn King is cold hard and will grow almost anywhere in the USA. This is a Non-GMO carrot. What a great Heirloom garden seed! Happy growing!!!