It turns out Medicanna Seeds does know Jack. Their potent cross of motivational monarch Jack Herer and legendary laidback strain Pre-98 Bubba Kush reults in Cali Jack, a unique and powerful strain. The physical indica wallop is combined with a punch of sativa stimulation for incredible effects. Cali Jack can help alleviate nausea and anxiety, and reliev symptoms of migraines and fibromyalgia.