Kathy Clugston is in Winsford, Cheshire. She's joined by Bob Flowerdew, Bunny Guinness and Matthew Wilson to answer the audience's horticultural queries. This week, the panellists consider the best way to prune a grapevine and a variety of spring bulbs to grow on clay soil, and advise on growing hydrangeas in pots. Garden Manager Emma Allen meets Peter Gibbs at RHS Wisley. She shows Peter round the new Giant Houseplant Takeover exhibition and discusses the growing houseplant trend. Producer: Laurence Bassett Assistant Producer: Jemima Rathbone A Somethin' Else production for BBC Radio 4