As the annual Hit Parade of garden nasties is revealed, Entomologist Andy Salisbury shares the results and offers advice on how to deal with them. Meanwhile the Gardening Advice team gathers to debate questions sent in from young gardeners at St Patrick's School in Stratford, including whether you can grow flowers from flowers and how to tell a good caterpillar from a bad one. And following the recent announcement of a forthcoming ban on metaldehyde-based slug pellets, our resident gastropod guru Dr Hayley Jones offers research-based advice on slug and snail control. Plus questions from members on box problems, growing your own dye plants and dealing with blackfly. For more info and useful links see www.rhs.org.uk/podcast