Biennial, Non-GMO, Caraway Herb Garden Seeds from True Leaf Market. Caraway herb has a variety of uses as the seeds, leaves, and roots are all edible. Native to Europe, Western Asia, and North Africa, the caraway herb is used in many dishes all over the world. Caraway is also a low maintenance plant to grow, as it is biennial and self-sowing. Caraway does best in full sun and warm environments.