Gardeners' Question Time - Askham Bryan College, North Yorkshire

The panel are guests of students and staff at Askham Bryan College in North Yorkshire. Eric Robson seeks some expert advice on growing Himalayan plants at the nearby Harewood House, In London, Matthew Wilson is on site at the 2012 Olympic Park with the park manager and horticulture consultant. Part one in a series. Produced by Lucy Dichmont A Somethin' Else production for BBC Radio 4.