The very best of contemporary garden design around the world, beginning with designer Dan Pearson talking about his work at Lowther Castle in Cumbria.
Arabella Lennox-Boyd is the doyenne of horticulrural designers and has been laying out a garden for 40 years at Gresgarth Hall in Lancashire.
A look at Tom Stuart-Smith's work at Hepworth Wakefield Gallery Garden, at task that could pose his greatest challenge.
Tania Compton's remodelling work at Fonthill House, Wiltshire, with the garden transformed with a modern touch that is still keeping in line with its16th-century roots.
Cleve West's work on Horatio's Garden South West at the Duke of Cornwall Spinal Treatment Centre in Salisbury District Hospital.
James Alexander-Sinclair's two projects separated by a few miles in Northamptonshire, summing up two types of work that land on the desks of designers.
Return of the programme in which garden designers talk about their projects and demonstrate the links between healing, climate change, sustainability and the art of the garden. The first edition looks at Dutchman Piet Oudolf's walled garden at Scampston Hall in North Yorkshire, which was completed in 2004.
Luciano Giubbilei's creation of a stunning garden surrounding a villa that has views of a Tuscan landscape unchanged for centuries.
Visit north Devon, where Jo Thompson used all of her design skills to show how water can be turned from an issue into an opportunity
After 10 years, Battersea Power Station's restoration is complete and Andy Sturgeon's 'gardens in the sky' are truly a triumph
Ann-Marie Powell took on the task of creating the RHS's first wildlife and food gardens, with the society moving with the times
Alistair Baldwin, Kinross House: Garden designer Alistair Baldwin stayed true to the 17th-century style of Scotland's Kinross House and the results are a sight to behold.
