Peter Gibbs and his panel make a return visit to the John Innes Centre in Norwich. Bob Flowerdew, Christine Walkden and Matthew Wilson anser the audience questions. The panellists discuss maggoty plums, the best approach to pruning blackcurrants and how a greater understanding of pesticides might help amateur growers to reduce their use in the horticultural industry. Peter Gibbs examines some of the 3500 varieties of peas on offer at the John Innes Centre, discovering how this vast collection is being used to inform and ensure the future of pea growing internationally. Produced by Darby Dorras Assistant Producer: Hester Cant A Somethin' Else production for BBC Radio 4