Jim GardinerJim Gardiner is Director of Horticulture at the Royal Horticultural Society, and for 22 years prior was the Curator of RHS Garden Wisley, as well as having worked as curator of the Sir Harold Hillier Garden and Kew Publishing Magnolias in Art and Culivation 2 of 2 Arboretum in Hampshire, and the City of Liverpool Botanic Read More Read Less