Classic · Mid 1990s
Jack Herer
a.k.a. JH
The first recreational hybrid stabilised to pharmaceutical specification — the genetic backbone of Bedrocan.
- Type
- Sativa-dominant hybrid
- Origin
- Netherlands
- Bred by
- Sensi Seeds
- Parents
- Haze × Northern Lights #5 × Shiva Skunk
History
Named for activist Jack Herer, Sensi released the strain mid-1990s. The Dutch Office of Medicinal Cannabis adopted it as the basis for the Bedrocan chemovar — the first pharmacy-grade medical cannabis in Europe.
Sensory & chemical profile
Pine, lemon, spicy black pepper. 18–24% THC. Terpinolene + α-pinene + caryophyllene.
UK medical relevance
The Bedrocan SKU dispensed across the UK is a Jack Herer pheno held to ±5% cannabinoid/terpene variance batch-to-batch.
Legacy
The first strain to demonstrate that a recreational hybrid could be standardised to pharmaceutical specification.
Notable descendants
- Bedrocan
- Jack the Ripper
- J1
- Lemon Jack
Patient note
Heritage strain profiles describe the historical lineage and chemovar template. Modern UK pharmacy SKUs derived from these lines will differ in cannabinoid content, terpene ratio and effect. Always consult your prescribing clinician. Nothing on this page constitutes medical advice. Cannabis-based medicinal products in the UK are prescription-only under NICE NG144 guidance.