D R BienzD.R. Bienz brings to this book over 50 years of worldwide experience in professional, commercial, and recreational gardening, as well as a distinguished career in plant science research. He is Professor Emeritus of Horticulture and Landscape Architecure at Washington State University, Pullman. In addition to The Why and How of Home Horticulture, Dr. Bienz is the author of dozens of technical and popular articles. Read More Read Less