Tarragon is an herb which is especially known from the classical (French) kitchen. It originates from Central Asia and is in Europe for culinary use since the Middle Ages. Both the leafs as the flowers can be used for consumption.
Both the seeds and the leafs are applied for cooking and taste a little like celery. The leafs are mainly used for salads, casserole, sauces, and soupes. The seeds are being used for flavouring bread. Next to this, lovage improves digestion.