This is possibly the most well known strain of Cannabis seed on the entire planet. The Jack Herer strain is named after the world famous and much loved Marijuana activist and creator Jack Herer. This particular variety tends to have a THC level of between 15 to 20% and produces one of the most desired effects of all the strain types. It led Jack Herer to win the High Times Cannabis Cup a staggering 7 times! Its smell, appearance and taste are especially pungent as you might expect and it is excellent for medicinal purposes like treating anxiety, stress and nervousness. The Jack Herer plant tends to prefer indoor growth conditions.