Rediscover and utilise tried-and-true species and varieties Would you like to know all about historic perennial herbs, and are you thinking about growing them in your garden? In this standard reference work, the well-known perennial herb expert Dieter Gaissmayer and the successful gardening journalist Frank M. von Berger share their decades-long experience. In a comprehensive profile section, they present numerous historic perennial herbs and give you valuable tips on buying them and maintaining them properly.