Gardeners' Question Time - 02/07/2010

It's the annual Gardeners' Question Time Summer Garden Party. This year we're in our southern garden at Sparsholt College, Hampshire. Pippa Greenwood, Matthew Biggs and Bunny Guinness offer their expert advice to our green-fingered listeners. Plus highlights from our all-day gardening event. Presented by Eric Robson. Producer: Lucy Dichmont A Somethin' Else production for BBC Radio 4.