The plants which are used for therapeutic and medicinal purposes are known as medicinal and aromatic plants. Due to their aroma and flavor, they also find application in the field of culinary arts, cosmetics and health products. Phytochemicals which are pharmacologically active can be broadly classified into glycosides, polyphenols, terpenes and alkaloids. Production of medicinal plants requires intensive management. Some of them might be inert in their physical state and may require some chemical modification before being used as a medicine. Some common examples of medicinal and aromatic plants are Saint John's wort, saw palmetto, ginseng, echinacea and feverfew. This book explores all the important aspects of medicinal and aromatic plants in the present day scenario. Also included herein is a detailed explanation of the various concepts and applications of medicinal and aromatic plants. This book is a resource guide for experts as well as students.