J1 or Jack One is a highend hybrid strain that is gaining widespread popularity J1 is a cross between two famous sativas Skunk 1 and Jack Herer and is best known for its strong uplifting clearheaded buzz that allows for mobility The flowers are emerald green and frosty with a sweet aroma resembling the unmistakable Jack Herer pungency This strains seemingly only flaw is the topshelf price that tends to come with its exceptional quality