Jack Herer
sativaAlso known as: JH, The Jack, Premium Jack, Platinum Jack
Jack Herer is a world-renowned sativa-dominant strain named after the cannabis activist, offering uplifting cerebral effects and a complex pine-spice flavor. Developed by Sensi Seeds in the 1990s, it blends Haze, Northern Lights #5, and Shiva Skunk genetics. It remains a top choice for daytime use, creativity, and medical relief from depression and fatigue.
Overview
Jack Herer is a legendary sativa-dominant cannabis strain that has earned its place among the most celebrated cultivars in the world. Named after the renowned cannabis activist and author of 'The Emperor Wears No Clothes,' this strain was developed in the Netherlands during the mid-1990s by Sensi Seeds. It was crafted to combine the best characteristics of both indica and sativa genetics, resulting in a cultivar that delivers a rich, complex experience unlike nearly any other. The genetic foundation of Jack Herer blends Haze hybrids with a Northern Lights #5 and Shiva Skunk cross, creating a unique terpene and cannabinoid profile that has made it a staple in dispensaries and grow rooms worldwide. The high begins almost immediately with a sharp, cerebral rush that sparks creativity, uplifts mood, and encourages conversation. This energetic, blissful onset makes Jack Herer a popular daytime strain among artists, writers, and professionals seeking mental clarity without sedation. Medically, Jack Herer has been widely used to manage symptoms of depression, anxiety, fatigue, and stress, offering relief without the heavy body lock associated with pure indicas. The flavor profile is a sophisticated blend of earthy pine, spicy herbs, and subtle citrus notes that linger pleasantly on the palate. Its aroma is equally complex, featuring sharp pine resin, fresh earth, and a hint of floral sweetness. In cultivation, Jack Herer performs well both indoors and outdoors, producing dense, resinous buds coated in a frosty layer of trichomes. The plant exhibits a classic sativa structure with elongated internodal spacing, requiring some training techniques to maximize yield. It has a moderate flowering time of approximately 63 days and responds well to SOG and SCROG setups. Jack Herer has won numerous Cannabis Cup awards and continues to be a gold standard against which other sativas are measured.
Effects
Positive Effects
Medical Benefits
Side Effects
Terpenes
Genetics
mother
Haze Hybrid
father
Northern Lights #5 x Shiva Skunk
Growing Info
Difficulty
moderateFlowering Time
63 days
Yield (Indoor)
450-550g/m²
Yield (Outdoor)
500-600g/plant
Height (Indoor)
90-130cm
Height (Outdoor)
150-180cm
Flavors
Aromas
Colors