Peter Gibbs chairs the popular horticultural forum. Pippa Greenwood, Bob Flowerdew and Matthew Biggs are guests of Tunstall Gardeners' Society in Sittingbourne. They also answer questions sent in by post and email.
Plus news of a trial to see if it is possible to grow a crop of olives in the UK.
Including Gardening weather forecast.
A Taylor Made production for BBC Radio 4.