Which stepover trees produce the crunchiest apples? Should celandines be treated as a traditional weed? What type of slugs are actually helpful in my garden?   Kathy Clugston is joined by experts Matthew Wilson, Juliet Sargeant and Dr Chris Thorogood as they head to this year's Chelsea Flower Show. While the panellists enjoy the various innovative exhibitions on show, they also answer some of your horticultural queries.   Meanwhile, roving reporter Peter Gibbs explores the showgrounds. He learns all about putting soil through a laundry room to prepare it for reuse, is drawn to an unusual plant he's not encountered before, learns which orchids can be grown at home easily and hears all about the different types of bees we have in our garden Producer: Dom Tyerman Assistant Producer: Rahnee Prescod and Dulcie Whadcock A Somethin' Else production for BBC Radio 4

Which unusual rhubarb varieties can I grow in Northern Ireland? Could the panel recommend a small tree for a seaside garden?- How can I encourage an apricot tree to produce more fruit? Kathy and her crew of gardening geniuses are back to answer all these plant predicaments and more from the blustery Causeway Coast. Ready to offer their horticultural know-how from Northern Ireland are self-proclaimed botanical geek James Wong, passionate plantsman Neil Porteous, and experienced garden designer, Kirsty Wilson. Later on, Neil Porteus gives us all his tips and tricks on how to coast through gardening with seaside conditions, strong sea breezes and unsheltered spots. A Somethin' Else production for BBC Radio 4

Can weeds replicate the genes of the plants around them? How do you grow a perfect hot chilli? Are some gardeners naturally green-fingered? Kathy and her insightful team of gardeners are on the windswept coast of Portstewart in Northern Ireland. Ready to share their horticultural knowledge are self-proclaimed botanical geek James Wong, passionate plantsman Neil Porteous, and experienced garden designer Kirsty Wilson. Later, Kirsty visits Glenarm Castle to have a chat with Andrea and her prickly companion Precious about what we can do in our own gardens to keep hedgehogs safe. Assistant Producer: Rahnee Prescod Producer: Daniel Cocker Executive Producer: Hannah Newton A Somethin' Else production for BBC Radio 4

Why haven’t my apple trees come to blossom? Which flowering plants can I grow in clay soil? Are bug hotels beneficial? From diseases to daffodils, the sprightly GQT squad are prepped to provide all their green-fingered guidance from Worcester. Raring to expunge a multitude of wilt-induced worries are RHS Wisley whiz Matthew Pottage, passionate plantsman Matthew Biggs, and ardent landscape architect Bunny Guinness. Also, GQT regular Juliet Sargeant encourages us to step-over the hurdle of windy weather conditions with a masterclass on growing stepover apple trees. Assistant Producer: Dulcie Whadcock Producer: Daniel Cocker Executive Producer: Hannah Newton A Somethin' Else production for BBC Radio 4

What’s the best way to grow swedes? Why doesn’t my hydrangea come to flower? Are artificial plants acceptable or downright outrageous? This week, the GQT panellists are in Earlsdon to answer these questions and more in front of a live audience. Ready to share their insightful advice on all your plant predicaments are plant pathologist Pippa Greenwood, grow-your-own guru Bob Flowerdew, and conversant horticulturist Anne Swithinbank. Alongside the questions, regular panellist Matthew Wilson visits GQT Producer, Dan Cocker to dig up all there is to know about weeds. A Somethin' Else production for BBC Radio 4