Dogwalkers Play Jack Herer Although the exact genetic formula is a guarded secret, Jack Herer is thought to be the product of sativa staple Haze and a cross of Northern Lights #5 and Shiva Skunk. Sticky buds have an appealing orange-lemon scent and taste with just a hint of some dank pine. The high provides an excellent balance between cerebral and physical effects, leaving users deeply relaxed but attentive and conversant. Jack Herer’s appealing flavor and well-rounded effects has made it hugely popular with medical and recreational cannabis users