What a year 2021 has been for gardening! We've had weird weather, an autumn Chelsea Flower Show, a peat ban, RHS Bridgewater opening... the list goes on. This week we're looking back to some of our podcast highlights, including delving into the tiny but terrifying world of parasitic wasps with RHS Wisley scientist Magdalena Boshoff who explains how these insects do an amazing job destroying garden pests. Zehra Zaidi tells the story of how she helped name a rose after a trailblazing black gardener - the first rose to be named after an ethnic minority Briton. Allotmenteer and YouTuber Mothin Ali (@MyFamilyGarden) shares tips on growing the perfect potato and RHS Chief Horticulturist Guy Barter gazes into his crystal ball and gives his predictions for gardening in 2022. Plus garden designers Ann-Marie Powell, Humaira Ikram and Lee Burkhill share their thoughts on what they'll be focusing on next year.

This week's programme is bursting with seasonal greenery. Award-winning writer and RHS blogger Graham Rice explains how to grow a Yuletide favourite and one of our most mysterious native plants – mistletoe. Then we hop 'over the pond' for the latest in our Hidden Horticulturists series to explore the life of one of the 20th century's greatest botanists: holly expert Dr Shiu-Ying Hu. Meanwhile back at RHS Garden Wisley, Verity Batyll describes her favourite plants to brighten up winter gardens, and Devon-based food writer Mark Diacono shares his personal recipe for a delicious homegrown lemon verbena cocktail. For links to more info please see our show notes or visit rhs.org.uk/podcast

When a successful lawyer suffered a debilitating stroke, it turned her life upside down. Meet Bhupinder Sohanpal as she explains how she rebuilt herself through gardening with the help of the Wisley Community Allotments programme. The Horticultural Therapy Trust is a charity which uses gardening to help support people facing long-term mental health issues and brain injuries: its Project Manager Deb Hoskin tells the stories of some of the people who've benefitted. Plus, organic food grower Anna Greenland shares a recipe for a traditional homegrown, home-made winter pick me up – fire cider. For links to more info please check out our programme page or visit rhs.org.uk/podcast

Cold winter nights are the perfect time to get reading, so this week’s podcast is a celebration of gardening books and garden writing. Writer and BAFTA award-winning TV producer Jonathan Drori takes us around the world in 80 plants while RHS authors Fiona Davison and Gareth Richards discuss their favourite books of the year. Plus a look at how gardening newsletters are bringing fresh ideas to the horticultural world. Books mentioned in this programme: Around the World in 80 Plants – Jonathan Drori Flower-Name Fancies – Guy-Pierre Fauconnet RHS Weeds – Gareth Richards The Hidden Horticulturists – Fiona Davison Vegetables: The Definitive Guide for Gardeners – Roger Phillips and Martyn Rix How to Garden the Low-Carbon Way – Sally Nex Spirit of Place – Susan Owens Tropical Plants and How to Love Them – Marianne Willburn For links to more info please see our episode page or visit rhs.org.uk/podcast

Did you know that there are 30 different species of worm in the UK? Or that fungi can actually help create habitats for wildlife? This week we're exploring the roles played these crucial but often overlooked garden residents. Back indoors we meet a hidden hero of horticulture - ‘likely the most prolific botanical explorer of the early 20th century’. Staff from RHS Garden Wisley and the Royal Botanic Garden Edinburgh join forces to tell his story. For links please visit our show notes or rhs.org.uk/podcast

Learn how to grow winter veg staple (and superfood) kale with RHS expert Guy Barter, who recommends the best varieties and explains how to keep problems at bay. There's also great advice on when and how to protect tender plants from the winter cold, and chef Mark Diacono tells us how to make delicious and warming sloe gin from the fruit of the blackthorn bush.

Kuda Chimbudzi is a superstar gardener, growing healthy fruit and veg for the Premier League footballers at Tottenham Hotspur FC. Our resident gardening guru Guy Barter heads to north London to check out his award-winning kitchen garden at the club's grounds. Plus we meet Lucy Vincent of Food Behind Bars – a charity that's trying to improve the lives and diets of prisoners through growing food; and Greig Robertson from Edible Estates in Edinburgh, an organisation creating neighbourhood plots to bring fresh food to disadvantaged communities. **Useful links: ** - Read more about the kitchen garden at Tottenham Hotspur FC https://www.rhs.org.uk/advice/health-and-wellbeing/real-life-stories/kuda-chimbudzi - The Garden magazine - https://www.rhs.org.uk/about-the-rhs/publications/the-garden - Food Behind Bars https://foodbehindbars.co.uk - Edible Estates http://www.edibleestates.co.uk - [RHS Flourish Fund](https://www.rhs.org.uk/education-learning/bursaries-grants/rhs-bursaries/flourish-fund)

From smuggled wealth hidden in the pockets of 17th-century refugees to imperial beheadings and long treks up freezing, desolate mountainsides... there's more to the humble tulip than you might think. And as the nights draw in, now is the perfect time to get planting these spring favourites. Garden designer Humaira Ikram shares her favourite varieties and ways of using them, and we head to Cambridge University Botanic Garden to discover a unique collection of species tulips and talk about their origins. Plus historian Fiona Davison tells the tale of how tulip mania shaped the history of Europe and gripped the Ottoman Empire to deadly effect.

You might think of gardening as an intrinsically green activity, but our verdant hedges and lush lawns can cause some very dirty habits. In an eye-opening interview, low-carbon gardening expert Sally Nex gives the lowdown on how ditching petrol power tools is important for the health of both gardeners and our planet. Plus we head to COP26 host city Glasgow to discover a pioneering urban seed library that helps create resilience in local food systems. And in Cornwall we meet artist Dr Alexandra Daisy Ginsberg who's created an inter-species installation using an algorithm to create gardens designed from the perspective of pollinating insects, rather than humans. For links to more information on today's topics please check out our show notes or visit rhs.org.uk/podcast