The GQT team visit Glenarm Castle in Northern Ireland, with Eric Robson in the chair.
Eric Robson hosts a postbag edition from Matt Biggs's garden.
Chaired by Eric Robson, the GQT team is in Penicuik, Midlothian.
Eric Robson chairs the horticultural panel programme in Stoke-on-Trent.
Eric Robson hosts this edition of GQT with local gardeners in Cornwall.
Eric Robson chairs this special edition of GQT with members of the Chelsea Fringe, London.
Postbag edition from the potting shed at Sparsholt College, hosted by Eric Robson.
Eric Robson is in the chair at the Food and Environment Research Agency in York.
The team visit the East Malling Research Centre, with Eric Robson in the chair.
Horticultural advice from St Keverne in Cornwall, with Eric Robson in the chair.
Horticultural advice from Ickenham in Middlesex, with Eric Robson in the chair.
The team visits Stony Stratford in North Buckinghamshire, with Peter Gibbs in the chair.
In this special postbag edition, Peter Gibbs and the team visit Bob Flowerdew's garden.
Peter Gibbs is in the chair at the Jodrell Bank Discovery Centre.
Eric Robson and the GQT panel visit the Edible Garden Show in Warwickshire.
Eric Robson and the GQT team visit Alexandra Palace in North London.
Eric Robson and the GQT team visit local gardeners in Batley, West Yorkshire.
Eric Robson takes the Gardeners' Question Time team to Crickhowell in South Wales.
Peter Gibbs chairs the horticultural panel programme with gardeners in Milton Keynes.
Eric Robson and the GQT team visit the Seedy Sunday community seed-swap event in Brighton.
Eric Robson and the team visit gardeners in Kirton-in-Lindsey, Lincolnshire.
Eric Robson chairs Gardeners' Question Time from Stilton, Cambridgeshire.
Pippa Greenwood, Matt Biggs and Anne Swithinbank answer questions for a postbag edition.
Peter Gibbs and the team are in Surrey for this edition of the horticultural panel show.
Eric Robson chairs the horticultural advice show from Essex, answering audience questions.
Peter Gibbs and the GQT panel kick-off the new gardening year in Mercia.
Eric Robson and the team are in Newcastleton in Scotland for the final GQT of 2012.
Eric Robson hosts a special Christmas edition of GQT from Muncaster Castle.
Peter Gibbs and the team take questions in Cranleigh in Surrey.
Eric Robson chairs BBC Radio 4's horticultural panel programme from Rayleigh in Essex.