Chervil is related to herbs like parsely, which are able to survive winter. It originates from the south of Europe and West - Asia. Chervil was taken to North - Europe by the Romans, who mainly used is as medicine. Chervil has to be bred in moist, shallow, humus ground.
Tarragon has a bitter, pepper-like, aniseed palate. This is mainly known from sauces like bearnaise, but is also used in vinaigrettes and mustard. The flowers and leafs can be used for making tea which improves the kidney function.
Tarragon is a part of the "Fines herbs" which is a herb melange often used for flavouring soups, eggs, and butter.