Cruise down a classic California highway with the top down and the radio loud, J-27 will lead the way. J-27 is a strain aptly named after a highway in Central California. Many cannabis enthusiasts believe that J-27 contains Jack Herer lineage, but its origins are still widely debated. J-27 is a potent sativa that hits you quickly without delay. J-27 can be used to treat anxiety, depression and fatigue. This strain carries a strong citrus-like aroma and a pleasant taste.