The Gardeners' World team present an insider's view of the last great flower show of the year. Staged at the height of summer, it is a unique chance to see Britain at its blooming best. Joe Swift reveals the secrets for success, following a designer eager to gain the elusive gold medal at his third Tatton attempt. Carol Klein discovers the 'must have' wedding flowers with a behind the scenes look at an exclusive Cheshire florist as they prepare displays for a bride's big day. Rachel de Thame explores how to reproduce the glory of a formal Italian garden in a home size plot.