His first passion in life was football, but these days Sir David Beckham is an obsessive gardener who loves nothing more than pottering among the veggie patches and flowerbeds of his Cotswolds home. To celebrate his affinity with the great outdoors, the former England captain, 51, is collaborating with the King’s Foundation on a showpiece garden at this week’s prestigious RHS Chelsea Flower Show – and it promises to be a spectacular effort. “I hope we inspire people to get outside into nature