With their abundance of flower, handsome foliage, robust constitution, and frequently stunning fruits, viburnums are among the most beautiful and versatile hardy shrubs available to gardeners. Yet despite these outstanding qualities, there has never been an entire volume devoted to them - until now. In this definitive, comprehensive, generously illustrated guide, internationally renowned woody plant expert Michael Dirr provides a wealth of information about every species and cultivar worthy of horticultural consideration. Dirr details each plant's height, spread, foliage, habit, floral characteristics, fruits, special traits such as fragrance or attractive bark, hardiness, origin, cultural needs, and overall garden appeal. These finely judged appraisals make it easy for the gardener or designer to choose the right plant for the right situation.