Alan Titchmarsh and Joe Swift take a first peek at the Royal Horticultural Society's Chelsea Flower Show 2011 in this exclusive preview of the event. Show more

Presenters Nicki Chapman and Andy Sturgeon host the first afternoon visit to the Royal Horticultural Society's 2014 Chelsea Flower Show, as Andy meets designer Matthew Childs. Show more

Horticulturist Christine Walkden explores gardens and countryside from a hot-air balloon. Christine travels over the flattest part of Britain as she descends on Norfolk. Show more

Horticulturist Christine Walkden explores gardens and countryside from a hot-air balloon. Christine flies above the green expanses of Hampshire. Show more

Horticulturist Christine Walkden explores gardens and countryside from a hot-air balloon. Christine heads to the Scottish county of Aberdeenshire. Show more

Celebrities hunt for antiques across the UK. It is a battle of the gardeners as Christine Walkden and Matthew Biggs shop around Bedfordshire and Northamptonshire. Show more

Horticulturist Christine Walkden explores gardens and countryside from a hot-air balloon. In Mid Wales, Christine learns how to brace an ancient yew. Show more

Nicki Chapman and Andy Sturgeon take a look at the large show gardens vying for the public's support in the People's Choice Award, and explain how viewers can cast their votes. Show more

Nicki Chapman and James Wong present the first afternoon and are joined by gardening expert Christine Walkden and former Chelsea garden designer Rachel de Thame. Show more

It is medals day at the Royal Horticultural Society's Chelsea Flower Show. Nicki Chapman and James Wong join the RHS at the crack of dawn to discover who has won what. Show more

Nicki Chapman and James Wong report on the highlights from the Royal Horticultural Society's Chelsea Flower Show and meet some of the eclectic people and plants involved. Show more

Series about one woman's passion for gardening. Christine heads for a farmers' market in Bolton for local produce in preparation for a Lancashire evening to be held back at home. Show more

Gardeners try to save Britain's horticultural heritage. Toby Buckland celebrates homegrown fruit and Christine Walkden praises ornamental bedding. Show more

Television gardeners try to save the nation's gardening heritage. James Wong revives the rhododendron and Christine Walkden campaigns for carnations. Show more

Television gardeners try to save the nation's gardening heritage. James Wong flies the flag for lilies and Christine Walkden praises woodland plants. Show more

Vic Reeves, Bob Mortimer and Matt Lucas return for an anniversary edition, with captains Ulrika Jonsson and Jack Dee, and guests including Peter Jones and Kate Garraway. Show more

Horticulturist Christine Walkden visits the Beth Chatto Gardens and RHS Hyde Hall, and boards a vintage Thames sailing barge for a trip on the Blackwater Estuary. Show more

Alex Jones and Matt Baker are joined by former Call the Midwife star Jessica Raine, who tells them all about her new drama The Last Post. Show more

John Bishop joins Matt and Alex in the studio along with the biggest brains on telly, the QI Elves. Christine Walkden is on the road to celebrate 50 years of the Transit van.