Purple Moby Dick is a sativa dominant cross between Purple Afghan Kush and Jack Herer. He took all the best features from PAK. The THC level is 21%. The plant has a bushy structure and can reach 3 m in the open air. It needs a large space for growth, good watering and feeding. It also needs good lighting. After 70 days, the strain produces a massive yield reaching 650 g / m2. Its leaves and flowers may have a purple hue.