This article has multiple issues. Please help improve it or discuss these issues on the talk page.
This article may be an autobiography or has been extensively edited by the subject or an institution related to the subject. It may need editing to conform to Wikipedia's neutral point of view policy. There may be relevant discussion on the talk page.(October 2013)
Turner has given talks in the UK, Ireland and the US on a wide range of gardening subjects, specialising in perennials of all kinds, garden design and garden history. He trained as an architect and now works as a landscape designer. He is a knowledgeable plantsman, active in the Hardy Plant Society, and a founding member of the Gloucestershire group of the National Council for the Conservation of Plants and Gardens.
Turner's books include the monograph Euphorbias and previously Better Garden Design and Capability Brown. He contributes to a number of journals and magazines including Hortus and The English Garden. His garden design for the 1983 Chelsea Flower Show won the Sunday Times contest and then won an award, and he designed two gardens and pavilions at the Garden Festival in South Wales in 1992.