The chicest al fresco dining spots in London to book from 12 April From lavender-trimmed terraces with river views to hidden sun-trap courtyards, we've rounded up some of London's best outdoor spots to secure a place at as the UK slowly emerges from lockdown By Tatler The chalky, wet conditions of the UK and some areas of the US, as well as parts of France and Spain, could prove to be the perfect fertile ground for the fungus to grow. Speaking of the UK conditions, Claude Murat, an Inrae researcher and truffle specialist said, 'It is potentially a zone where truffles can develop, including white truffles.'