Heirloom Herb. Caraway seeds (harvested from the plant) are used to flavour bread, pastry, cakes, confections, cheeses, sauces and soups.  Fresh leaves can be used as a garnish in vegetable dishes. Plants grow from 45-60 cm (1.5-2′) high. Caraway is a biennial, hardy in zones 5 to 8. It is grown as an annual in lower hardiness zones. Do not eat the seeds that come in the packet; these are for planting only.