Kathy Clugston and the panel are in Lincolnshire. Matt Biggs, Pippa Greenwood and Matthew Wilson answer the audience's questions. This week the panel discuss how to keep tree ferns in good condition, the best way to compost weeds without propagating them, and give tips on how to grow a successful crop of melons. James Wong visits Matthew Pottage at home to have a snoop around his plant collection. Producer: Laurence Bassett Assistant Producer: Rosie Merotra A Somethin' Else production for BBC Radio 4