Kenneth Cox is grandson of planthunter, writer and nurseryman Euan Cox and son of Peter Cox VMH. These three were and are considered the world's leading experts on rhododendrons. Himself a nurseryman, Kenneth is managing director of the family firm Glendoick Gardens Ltd near Perth and author of numerous books, including The Encyclopedia of Rhododendron Hybrids (with Peter A. Cox), A Plantsman's Guide to Rhododendrons, Cox's Guide to Choosing Rhododendrons (with Peter Cox), The Encyclopedia of Rhododendron Species (with Peter Cox), Rhododendrons: a Hamlyn Care Manual and Rhododendrons and Azaleas.