Tonight from the RHS Flower Show in Tatton Park, Monty Don and Joe Swift reveal the winners of best show garden and the best 'back to back' garden, and they meet the three contenders in the prestigious RHS Young Designer of the Year competition. Carol Klein explores the showground to share her tips on getting the last drop of summer out of your flowering plants and Toby Buckland picks his power plants to boost your borders into winter. Rachel de Thame has all the information you need to achieve a naturalistic look in your garden whilst Danny Clarke finds out if an office outside could change the way we work in the future.