Dirr’s Encyclopedia of Trees and Shrubs by Michael A. Dirr is a comprehensive, 952-page horticultural reference featuring over 3,700 species and 3,500 color photographs. Combining previous works on hardy and warm-climate plants, this volume provides expert commentary on identification and cultivation, serving as a critical resource for landscape professionals. For more details, visit Timber Press . Book Review: Dirr's Encyclopedia of Trees & Shrubs
