In Beechgrove Garden episode 23 2017 it is hedge-clipping time and Jim, Carole and George trim their way around the garden. Chris finishes the planting in the heather garden to help create the windswept, top-of-the-mountain look, adding a range of tough grasses and ferns. From prodigious parsnips to dinner plate-sized dahlias, Jim visits the showers and growers at the Dundee Flower and Food Festival.     Earlier this year, the Beechgrove team visited some of the entrants to the show…