The summer season kicks off at the 84th annual flower festival. Alan Titchmarsh presents a comprehensive guide to events in the week ahead. There'll be headaches and hiccups as designers and exhibitors race to put the finishing touches to their displays. Plus of course all the glorious gardens and floral displays. Features tonight include a garden inspired by the Da Vinci Code. Plus the launch of the search for Britain's Favourite Flower and a photo competition for viewers. Show less