3500 photographs. Over 380 genera. More than 3700 species and cultivars.Dirr's Encyclopedia of Trees and Shrubs is the most comprehensive visual reference to more than 3700 species and cultivars. From majestic evergreens to delicate vines and flowering shrubs, Dirr features thousands of plants and all the essential details for identification, planting, and care. Color photographs show each tree's habit in winter, distinctive bark patterns, fall color, and more. Dirr's Encyclopedia of Trees and Shrubs is a critical addition to any garden library. Read more ISBN10 0881929018 ISBN13 978-0881929010 Edition Illustrated Language English Publisher Timber Press Dimensions 8.8 x 2.19 x 11.3 inches Item Weight 7.45 pounds Print length 952 pages Publication date October 18, 2011