A. M Armitage

"This color encyclopedia is the most comprehensive single-volume photographic resource on perennial plants. In it, author Allan M. Armitage describes and illustrates choice perennials in 136 genera from Acanthus to Zauschneria. The encyclopedia is rounded out by more than a dozen extensive lists of plants suitable for particular situations or uses, including plants for wet places, for drought tolerance, and for fragrance or color.: -- from publisher....