Peter Gibbs and the panel are in Wickham Bishops, Essex. Christine Walkden, Bob Flowerdew and James Wong answer the horticultural questions. This week, the team talk pruning - when is the best time and how? They also tackle the tough subject of black spot and have some tips to leave your gardens brimming with biodiversity. Beyond the questions, Dr Chris Thorogood, lead by botanist Pat Malabrigo, goes in search of the pungent rafflesia banoana plant in the high elevation rainforests of the northern Philippines. Producer: Jemima Rathbone Assistant Producer: Bethany Hocken A Somethin' Else production for BBC Radio 4