It’s a plane! No, it’s a train! No, its Sour D! This unmistakable strain reeks of sour smelling diesel fuel, and that’s exactly what it’s gonna do to you when you try it. Expect a speedy onset of a case of the giggles, bursts of energy and lots of off the wall thoughts. This is a pure sativa strain, so those suffering from anxiety or paranoia should be cautious as sativa strains can aggravate those conditions.