I know some people are fretting about Brexit, and others about the drive-by violence the President is doing to the US constitution, but what preoccupies me and the nation’s allotment-holders at the moment is news that the RHS is warning of a ‘bumper year for slugs’. The slimy little bastards not only ate every single lettuce seedling I planted last year, but they have taken to invading my kitchen in the night and dying extravagantly, and in a way that makes a stain, on hard-to-clean surfaces.