How do I keep my gladioli coming back?  Why are my hellebores covered in black spots? Why do my courgettes go mouldy so quickly?

Kathy Clugston and a panel of plant and gardening experts are offering advice to an audience of keen gardeners in Ridgewell, Essex. Joining Kathy are grow-your-own guru Bob Flowerdew, garden designer Bunny Guinness, and gardener Matthew Pottage.

Later in the programme, we hear from Peter Gibbs about the increasing number of sponge cities in the UK.

A Somethin' Else production for BBC Radio 4