The author of more than 50 gardening books has sold more than 50 million copies since 1958. "The rumour is much more interesting than the reality," he said. "I do have a small arboretum but I haven't the slightest intention of writing about it or any other horticultural topic."
Peter Seabrook and Steve and Val Bradley are revising The Fruit Expert, with publication in spring 2015. The Complete Garden Expert Calendar, new this year, has already sold out.
Hessayon said last year: "'In the future I'll offer people gardening advice but I won't write any more. At 85 I'm entitled to stop. I won't write my autobiography though because I'm bored of hearing about myself."