Eric Robson and the panel are in north east London to answer audience questions.
BBC Radio 4
Peter Gibbs is in the chair at Ness Botanic Gardens, with questions from a local audience.
Eric Robson chairs at the gardening event of the year, the GQT Summer Garden Party 2013.
Eric Robson chairs a postbag edition from the GQT potting shed at Sparsholt College.
GQT reaches new heights at the Roof Gardens in Kensington, London, with Eric Robson.
Peter Gibbs and a panel of experts answer listeners' horticultural queries in Norfolk.
Eric Robson chairs GQT in Ulster, with Matthew Wilson, Pippa Greenwood and Bob Flowerdew.
Eric Robson chairs this week's episode of Gardeners' Question Time from Upminster.
Eric Robson chairs this week's episode of Gardeners' Question Time from Midlothian.
Eric Robson and the panel are at the RHS Tatton Flower Show.
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