This volume serves as a comprehensive reference guide for the identification, cultivation, and maintenance of exotic perennial plants in diverse garden environments. Stirling Macoboy, an established authority in horticultural literature, synthesizes decades of botanical observation to provide a structured manual for gardeners. The text utilizes a systematic alphabetical framework to categorize species, offering practical advice on soil requirements, climate adaptability, and propagation techniques for both amateur and professional growers.

This work is regarded as a standard, reliable reference for enthusiasts seeking to diversify their perennial collections with non-native species. The text provides a dense, practical resource that prioritizes clear instructional data over theoretical discourse.