
Sold as HybridNetherlands, 1994
Jack Herer
Jack Herer is sold as a hybrid. Lab results put THC at 16–21% (grade A, 924 results), and the lead terpene is terpinolene (grade A, 402 profiles).
- THC
- 16–21%A924 tests
- CBD
- <1%AVery low
- Lead terpene
- Terpinolene
Profile data
Updated October 20, 2026924 lab resultsTerpene bloomShare of total terpenes · mg/g
- Terpinolene4.836.6%
- Caryophyllene2.617.1%
- Pinene1.38.4%
- Myrcene1.27.4%
- Humulene1.06.5%
- Ocimene0.84.8%
- Limonene0.74.4%
- Linalool0.10.9%
Total 16.7 mg/g (1.7%) · Grade A · 402 lab profiles, 2013–2025.
Each petal is one terpene; its length is its share, read against the rings (10–40%).
Cannabinoids% dry weight
THC
16–21%Grade A · 924 lab results, 2013–2026
CBD
<1%Grade A · 787 lab results, 2013–2026
THC median18.9%
THC percentile33rd of 239
Band = middle half of lab results · line = median. Grades: A = 100+ recent lab results, B = 25+, C = fewer or older.
Lineage2 generations
Lineage grade L4: disputed or unknown.
Effects and flavor
Effects (breeder description)
Uplifted
Flavor and aroma
Earthy
Source: breeder descriptions; reader reports coming later.
Where it comes from
HistorySourced facts
- Bred by
- Sensi Seeds
- Origin
- Netherlands, 1994
- Sold as
- Hybrid
- 1994Sensi Seeds released Jack Herer in 1994 at a ceremony at its Cannabis Castle, naming it after the hemp activist and author.
Every fact here is cited under Sources.
SourcesEvery figure on this page
- Cannlytics cannabis_results, MD subset (public records) · CC BY 4.0
- Cannlytics cannabis_results, MI subset (public records) · CC BY 4.0
- Cannlytics cannabis_results, NV subset (public records) · CC BY 4.0
- Cannlytics cannabis_results, WA subset (public records) · CC BY 4.0
- Connecticut Cannabis Product Registry, Department of Consumer Protection · Public Domain
- Smith et al. 2022, PLOS ONE 17(5): e0267498 · CC0 1.0 (data); CC BY 4.0 (article)
- Sensi Seeds at 40: The Roots of Dutch Cannabis History · All rights reserved; facts only
- Jack Herer regular seeds (product page) · All rights reserved; facts only
Cite this page
CannabisStrains.com (2026). Jack Herer, data release 2026-10-21. https://cannabisstrains.com/strains/jack-herer/ (accessed October 24, 2026).




