Walnuts were originally planted by the Abbots of Glastonbury and have always been part of Sharpham Park's farming economy and history. Twelve years ago, Roger planted 300 walnut trees. 'When I first found the remains of a monk's lunch of walnuts, scallop shells and chicken bones stuffed into the lime mortar of a medieval wall of Sharpham, I knew I had to grow walnuts. What I didn't know was that it...