The third edition of the comprehensive—and entertaining—gardening reference by the master horticulturalist. This is the long-awaited third edition of Allan

Resource added for the Landscape Horticulture Technician program 100014.

Diseases of Herbaceous Perennials is a beautifully illustrated, practical, scientifically reviewed reference book that will help you identify and solve plant di

“A veritable goldmine for gardeners.” —Plant Talk We’ve all seen gorgeous perennial gardens packed with color, texture, and multi-season interest. Desig