The origin of Sour Diesel is frequently debated within the marijuana community. Some say it's a cross between mass super skunk and 91 Chemdog, while others claim that it's a cross between Mexican sativa and a Chemdog phenotype. Either way, you can undoubtedly look forward to a high like no other. Couch lock and a "heavy feeling" aren't a factor when smoking sour diesel. Instead, you can expect an ...