Guy Barter is the Chief Horticultural Advisor of the Royal Horticultural Society, having joined the organization as superintendent of trials at RHS Garden Wisley in 1990. Prior to that, he gained experience in the commercial horticultural world after graduating with a degree in horticulture. Guy now runs the RHS Members' Advisory Service, which provides answers to an enormous range of questions and supplies evidence-based advice for thousands of gardeners.
The Royal Horticultural Society (RHS) is the UK's largest gardening charity, dedicated to advancing horticulture and promoting good gardening. Its charitable work includes providing expert advice and information, training the next generation of gardeners and promoting the ecological, aesthetic and psychological benefits of gardening in an urban environment.