Percy John Thrower MBE (30 January 1913 – 18 March 1988) was a British gardener, horticulturist, broadcaster and writer born at Horwood House in the village of Little Horwood, Buckinghamshire. He became nationally known through presenting gardening programmes, starting in 1956 with the BBC's Gardening Club, then the BBC's Gardeners' World from 1969 until 1976.