The quick and convenient step by step guide to growing your very own Caraway Herb! Caraway is most often grown for its seeds, but the root and leaves are also edible.  Caraway is a biennial plant that produces seeds the second season after planting.  The first season it forms a rosette of leaves 8-10 inches tall that resembles a carrot with a long tap root.  The second season the plant grows to 2-3 feet tall and produces a large, flat-topped flower head with white flowers. Gr