As new plantings emerge from the dust and hubbub of the redevelopments at Wisley, we explore the Wisteria Walk and Heather Landscape. Plus a round-up of RHS partner gardens to visit this summer, results of a two-year science research project into how gardeners can best deal with carrot fly and wildlife writer Kate Bradbury rallies gardeners in defence of some surprising allies - wasps! For more info and useful links see www.rhs.org.uk/podcast

This week we're at the RHS Chatsworth Flower Show in Derbyshire, revelling in this floral extravaganza in the heart of the Peak District. Florist Jonathan Moseley reveals the UK's largest ever orchid display and James Alexander-Sinclair chairs a live question and answer session with leading gardening experts including Martin Fish, Leigh Hunt and Helen Bainbridge. For more info and useful links see www.rhs.org.uk/podcast

One of the greatest gardeners of the 20th century, Beth Chatto, recently died at the age of 94. Beth was admired and loved by family, friends and gardeners around the world. One of those friends was another legendary plantsman, Roy Lancaster. He visited the garden in Essex she created with her late husband, Andrew, to discuss the development of what she described as a "horticultural and ecological experiment". Hear Beth and Roy in an interview which was to become an article, Dear Mrs Chatto, in the January 2010 issue of The Garden magazine.

Garden designer, TV presenter and RHS flower show judge James Alexander-Sinclair takes us on a journey into the heart and soul of the Chelsea Flower Show, exploring top-end design, incredible plants and planting, and meeting the people who make it all happen and the celebrities who turn out in force to soak up the Chelsea buzz. Find out about feel-good gardens, exciting new plants and garden products, and get design tips for your garden. This year's show also shows the power of gardening as a force for good. We meet the creator of The Lemon Tree Trust Garden, inspired by the gardens of Domiz refugee camp in Iraq. It's a heartwarming tale of human spirit and triump over adversity, and the RHS is proud to have been able to support the Trust in its work. We also speak to Baroness Floella Benjamin and singer and actress Beverley Knight about Birmingham City Council's display celebrating 70 years since the Empire Windrush arrived in Britain, marking the beginning of a new chapter in our nation's history. For more info and useful links see www.rhs.org.uk/podcast

In the final part of our exclusive behind-the-scenes Chelsea preview podcasts, we meet designer Matt Keightley who's in the process of creating a trailblazing health and wellbeing garden - the RHS Feel Good Garden - which will live on after the show as a permanent garden at the Camden and Islington NHS Foundation Trust. For more info and useful links see www.rhs.org.uk/podcast

Get an exclusive peek behind the scenes of the greatest flower show on earth. Today we celebrate the real stars of the show – the plants! Designers Chris Beardshaw, Bunny Guinness and Kate Gould share their insights into the planting in this year’s show gardens and Show Manager Katherine Potsides outlines some of the other plant highlights to look out for. For more info and useful links see www.rhs.org.uk/podcast

Get an exclusive peek behind the scenes of the greatest flower show on earth! Join us as we discover what's in store in our new 'Space to Grow' garden category, meeting designer Kate Gould who shares the trials, triumphs and tribulations that are all part and parcel of the Chelsea experience, along with a healthy dose of tips and hints for making the most of small, urban gardens. For more info and useful links see www.rhs.org.uk/podcast

Hear behind the scenes interviews with award-winning garden designer Jo Thompson and Show Manager Katherine Potsides, who give a tantalising preview of the show and explore the increasing presence of women at Chelsea from designers to engineers and planting teams. Wildlife gardening expert Kate Bradbury shares a call to arms for gardeners to get involved in the Great British Bee Count, and we get timely advice from RHS experts on growing your vegetables – including how to avoid blossom end rot on tomatoes and how to grow a giant beanstalk! For more info and useful links see www.rhs.org.uk/podcast

Hear behind the scenes interviews with award-winning garden designer Jo Thompson and Show Manager Katherine Potsides, who give a tantalising preview of the show and explore the increasing presence of women at Chelsea from designers to engineers and planting teams. Wildlife gardening expert Kate Bradbury shares a call to arms for gardeners to get involved in the Great British Bee Count, and we get timely advice from RHS experts on growing your vegetables – including how to avoid blossom end rot on tomatoes and how to grow a giant beanstalk! For more info and useful links see www.rhs.org.uk/podcast

Garden designer and television presenter James Alexander-Sinclair meets Sue Biggs, RHS Director General to discuss the Society's plans to invest millions of pounds in the future of gardening - revolutionising our gardens and horticultural research. Plus advice on restoring damaged lawns, coping with cats in the garden and suggestions on shrubs for clay soil. For more info and useful links see www.rhs.org.uk/podcast