Roger Turner trained as an architect and has been working as a garden designer since 1979. He designed a garden at the Chelsea Flower Show in 1983, and two award-winning gardens and pavilions at Garden Festival Wales at Ebbw Vale in 1992. All these received awards.

Based in Gloucestershire he operates over a wide area, and has designed gardens and landscape schemes in London, Gloucestershire, Oxford, Warwickshire, Worcestershire, Surrey and Essex.