Peucedanum officinale is a herbaceous perennial plant in the Apiaceae found mainly in Central Europe and Southern Europe.It is also native to the U.K., where it has the common names hog's fennel and sulphurweed, but it is a rare plant there, occurring only in certain localities in the counties of Essex and Kent. It was formerly also found near the town of Shoreham-by-sea in the county of West Sussex, but has long been extinct there.