Eric Robson and the panel are at the RHS Chatsworth Flower Show. Matthew Wilson, Pippa Greenwood and Matt Biggs answer the horticultural questions. The panellists offer suggestions to fill a large gap in an old hedge, advise on the best way to take cuttings from a friend's plant and assist with a struggling blueberry bush. They also help to plan a new, small wood and explain how to spot Ash dieback. Pippa Greenwood visits Rebecca Robinson at the GQT Bloomin' healthy garden featured at the RHS Chatsworth Flower Show. Produced by Dan Cocker Assistant Producer: Hester Cant A Somethin' Else production for BBC Radio 4.