Day 1 Part 2

Alan Titchmarsh and Joe Swift are at the RHS Chelsea Flower Show, reflecting upon the Britons' national obsession with gardening. There is a look at the overseas designers putting their own spin on the quintessential English gardening style and a preview of a garden that boasts some very strange planting schemes. Plus a special Chelsea report from a gardening celebrity, which includes an exclusive look at their own private garden.