Gardeners' Question Time

What would the panel plant in a garden for reflection? Are there any alternatives to perlite and vermiculite? Is the weather to blame for my shamefully small brassicas and tiny potatoes? Kathy Clugston and a team of experts are in Rosewell, Midlothian, to solve the gardening questions of the audience. Joining Kathy are ethnobotanist James Wong, garden designer Neil Porteous and Head of Gardens at Balmoral Kirsty Wilson.Later in the programme, James Wong meets researchers Dr Hannah Atkins and Sadie Barber to discuss the extensive process of naming plants. Producer: Bethany Hocken Assistant Producer: Rahnee Prescod
 Executive Producer: Carly MaileA Somethin' Else production for BBC Radio 4

How can I stop my dog from digging holes in my garden? What conditions do walnut trees grow best in? If you could lose one pest from your garden, what would it be? Peter Gibbs and a team of experts are in Staffordshire, to solve the gardening conundrums of the audience. Returning to the National Memorial Arboretum with Peter are grow-your-own legend Bob Flowerdew, pest and disease expert Pippa Greenwood and garden designer Bunny Guinness.Later in the programme, is your garden on an gradient? Garden designer Matthew Wilson provides tricks and tips on the best way to effectively garden on an incline.Producer: Dan Cocker
 Assistant Producer: Rahnee Prescod
 Executive Producer: Carly MaileA Somethin' Else production for BBC Radio 4

When should we prune roses? What plants grow well in rubble and grass? What's infecting my Prunus avium?Peter Gibbs and a team of horticultural experts are led on a guided tour of Regent's Park in London, while dipping into the GQT postbag to answer your gardening conundrums.Leading the tour is head gardener and fellow GQT panellist Matthew Pottage, who's also joined by pest and disease expert Pippa Greenwood and head gardener Ashley Edwards. Later in the programme, head gardeners Anna Rafal and Anne Tuomisto offer advice on pruning roses and designing a Mediterranean garden, as well as winter tidying with hibernating animals in mind.Producer: Dominic Tyerman Assistant Producer: Rahnee Prescod Executive Producer: Carly MaileA Somethin' Else production for BBC Radio 4

How do I get red cedar root balls to spread? What gardening task do the panel find daunting? What are the panel’s thoughts about composting organic materials?Kathy Clugston and her team of horticultural experts travel to the University of Exeter for a postbag edition of GQT. While Curator of Horticulture Anthony Cockell leads Kathy and the panel around the grounds, they also dig through the GQT inbox to answer your gardening queries. On the panel this week are garden designer Chris Beardshaw, grow your own guru Bob Flowerdew, and proud plantswoman Christine Walkden.Later in the programme, the panellists discuss the University of Exeter's national collection of Azaras, share tips on how they can add structure to the garden and provide a sensory experience.Senior Producer: Bethany Hocken Assistant Producer: Rahnee Prescod
 Executive Producer: Carly MaileA Somethin' Else production for BBC Radio 4