Christina Harrison (Hourigan) is an author and garden historian. She is currently completing an AHRC techne-funded PhD with Royal Holloway, University of London and the Royal Botanic Gardens, Kew researching the cultural history of Kew’s arboretum and its tree collections. Prior to this she worked at Kew for twenty-one years in interpretation and publishing. She is the author of Kew’s Big Trees and The Botanical Adventures of Joseph Banks, also published by Kew, and coauthor of Remarkable Trees, Treasured Trees, Bizarre Botany, and the forthcoming Among the Giants: a Year at the Kew Arboretum.