A new, updated edition of this standard work on the genus of hardy geraniums. As well as offering full descriptions of over 140 types of geranium, the book covers their natural geographical distribution and details of their variation and hybrids. It gives a wealth of information on the history, nomenclature, classification, behaviour and use in cultivation of these beautiful and varied plants. Illustrated with over 50 colour photographs and many more line drawings, including sihouettes of the different leaf forms, this unique book provides a complete study of hardy geraniums for all those involved in gardening, botany and horticulture. The new edition offers up-to-date information on the hybrids, new cultivars and new discoveries in the wild.