Dr. Linda Chalker-Scott has a Ph.D. in Horticulture from Oregon State University and is an ISA certified arborist and an ASCA consulting arborist. She is WSU’s Extension Urban Horticulturist and a Professor in the Department of Horticulture. Linda is the author of five books; she also hosts “The Garden Professors” blog, The Garden Professos blog Facebook group, and Garden Professors page. Through these venues she and her colleagues educate and entertain an international audience. Most recently Linda appears in The Great Courses The Science of Gardening series.