hybrid
21 to 26 percent THC range
Flavors
  • Pine (37% of reported flavors)
  • Earthy (32% of reported flavors)
  • Spicy/Herbal (31% of reported flavors)

Jack Herer carries one of the biggest names in cannabis, literally. Sensi Seeds named the strain after legendary cannabis activist and author Jack Herer, whose 1985 book The Emperor Wears No Clothes became a cornerstone of cannabis advocacy. The strain followed its namesake into cannabis history, becoming a fixture of Dutch breeding culture and a parent behind generations of hybrids.


Sensi Seeds has never publicly laid out the exact recipe, but Jack Herer is widely traced to a combination of Northern Lights #5, Shiva Skunk, and Haze. That old-school mix comes through loud and clear in the flower: pine and earthy herbs lead, followed by citrus, wood, and a peppery streak of spice. It's unmistakably classic, long before dessert names and candy terps took over the menu.


Jack's reputation isn't riding on nostalgia alone. Weedmaps reviewers most often report uplifted, happy, and relaxed effects, a combination that helps explain why the strain has stayed in rotation for decades. Longtime fans describe a bright, clear-headed lift with an energetic and creative streak, followed by enough relaxation to keep things from getting too buzzy.


The trophy case is just as old-school. Jack Herer won the 1994 High Times Cannabis Cup and took first place in the sativa category at the 1999 Cannabis Cup, with additional wins and placements following at competitions around the world. More importantly, its genetics escaped the trophy case entirely. Jack Herer became breeding stock for a sprawling family of Jack crosses, helping turn a strain named for a cannabis legend into one of the legends itself.

Jack Herer typically grows tall, with Sensi Seeds recognizing several distinct phenotypes within the line. Flowering generally runs about 50–70 days, depending on the phenotype, with most selections producing dense, resin-heavy flowers and substantial yields.


Regular seeds remain available from Sensi Seeds. Because the line can express noticeably different phenotypes, growers should expect variation in structure, flowering time, and the balance between its Haze-like and heavier indica traits.


Regular, non-feminized seeds are available from Sensi Seeds.

This content is for informational purposes only.


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