He's one of the nation's favourite broadcasters, but when Alan Titchmarsh was a young lad, his parents worried about him. Disliking secondary school and leaving with one O-Level in art, Titchmarsh, to his father's dismay, journeyed closer towards his first love: gardening. He speaks to James about his lengthy career in television, radio and print and describes the surreality of being recognised everywhere after starring in the hit garden makeover series, Ground Force.