Jack Herer

Genetic Identity & Origin

• Primary Breeder: Sensi Seeds (Netherlands)
• Lineage: Haze × (Northern Lights #5 × Shiva Skunk)
• Classification: Sativa-dominant hybrid
• Common Primary Terpene Descriptors: α-Pinene, β-Myrcene, β-Caryophyllene

First-Party Provenance & Breeder Notes

Created by Sensi Seeds in the Netherlands from Haze, Northern Lights #5, and Shiva Skunk genetics, and named in honor of cannabis activist Jack Herer, this cultivar combines a complex tropical Sativa aroma with dense resin production derived from its Northern Lights and Skunk ancestral lines. Sensi Seeds’ own history describes the breeding work as beginning in the 1980s; third-party accounts date the commercial release to the mid-1990s.

First-party source: Sensi Seeds — Jack Herer (retrieved 2026-08-09). Machine record: CLM-0007.

Terpene & Chemovar Reference

• Primary Volatile Terpene Nodes:
  • α-Pinene Record
  • β-Myrcene Record
  • β-Caryophyllene Record

Provenance & Sources

The lineage and origin details above are first-party claims from the named breeder’s published documentation, not independently verified genetics. Per the archive’s cultivar identity framework, cultivar names do not fix chemical composition, and breeder-attributed pedigrees are claims that can conflict across sources.

• Sensi Seeds, “Jack Herer® Regular Seeds” product page (Haze × Northern Lights #5 × Shiva Skunk; balanced hybrid). https://sensiseeds.com/en/cannabis-seeds/sensi-seeds/jack-herer (accessed 2026-08-08)
• Sensi Seeds blog: “In the 1980s, Sensi Seeds created what is known as Jack Herer by combining genetics from a Haze, Northern Lights #5, and Shiva Skunk.” https://sensiseeds.com/en/blog/jack-herer-feminized-grow-report/ (accessed 2026-08-08)