Monty and Joe visit the Malvern Spring Show, with the latter checking out the best in garden designs while the former heads for the RHS Marquee to look at exhibitors vying for prizes. Carol and Sarah, meanwhile, extend the spring garden at Berryfields. Producer Andy Vernon ; Series producer Sarah Moors BBC GARDENERS' WORLD LIVE 15-19 June at the NEC, Birmingham. To book call [number removed]3780 or visit www.bbcgardenersworldlive.com RT DIRECT: book Gardeners' World - Gardening from Berryfields, is E18 (RRP E20) incl p&p. To order, call [number removed]7979 (national rate) The 30-Minute Gardener: page 38