Jack Wreck is a potent sativa strain that combines two timeless classics Jack Herer and Trainwreck While Trainwrecks influence is evident in Jack Wrecks sweet citrus aroma dont expect the mellow dreamy buzz associated with Jack Herer Trainwreck genetics give Jack Wreck an intense kick of cerebral psychoactivity The racy jolt of energy provided by this sativa hybrid may be too intense for some patients but those needing high THC levels for pain appetite loss and inflammation can trust Jack Wreck for potent daytime relief