Eric Robson hosts a very special edition as GQT takes its annual Summer Garden Party to National Trust Mount Stewart in County Down, Northern Ireland. Matthew Wilson, Bunny Guinness, Bob Flowerdew and Mount Stewart's Neil Porteous answer the audience's horticultural questions. The programme features highlights from the garden party as Matthew Pottage weaves his way around the site, dropping in on various stalls and areas of the gardens. He also bumps into a number of special guests including Diarmuid Gavin and Kilcoan Gardens' Seamus O' Brien. The panellists will be answering questions on topics such as whether to love or hate dandelions and the best botanicals for flavouring gin. They also give planting suggestions for a variety of different growing conditions, and Neil Porteus helps explain the story behind a number of plants in Mount Stewart's grounds. Produced by Hannah Newton and Darby Dorras Assistant Producer: Laurence Bassett A Somethin' Else production for BBC Radio 4.