Cultivar record / jack-herer
Jack Herer
Jack Herer is a sativa cultivar with Northern Lights, Shiva Skunk and Haze in its recorded lineage. Reported characteristics include pine, citrus, spicy, earthy and woody flavours and euphoric, creative, energetic, uplifted and happy effects.
- Type
- sativa
- THC
- 20%
- CBD
- <1%
- Breeder
- Sensi Seeds
Photography
No photo yet
We don't have an original photo of Jack Herer yet.
Cover reference: The photograph above shows Super Silver Haze, not Jack Herer. Both records share Haze and Northern Lights ancestry.
Have a photo of Jack Herer that you took yourself? Send it to [email protected].
Archive descriptors
Record notes
Only descriptors supported by both the archive record and supplementary cultivar data are listed here.
Reported feelings
Flavour notes
Terpenes
Genetics
- Northern Lights
- Shiva Skunk
- Haze
Reported negatives
- Dry mouth
- Dry eyes
- Paranoid
- Dizzy
Reported sensory and character descriptors vary by phenotype, batch and individual experience. They are not medical guidance.
Overview
Jack Herer is a sativa cannabis cultivar. Jack Herer is named after the American cannabis activist and author of The Emperor Wears No Clothes. The cultivar has won numerous awards for quality and potency at various cannabis competitions since its release.
History and origin
Named after Jack Herer (1939-2010), the American cannabis activist and author. Sensi Seeds developed the strain in the 1990s as tribute. The ISMOKE archive contains a first-hand review from 2017-04-04. ISMOKE published a dedicated 'Bud Facts: Jack Herer' article on 2017-04-04 covering the strain's history (named after the activist, bred by Sensi Seeds in the 1990s), genetics (Northern Lights #5 x Shiva Skunk x Haze), and cultural significance. Also referenced in the Apple Jack ISMOKE Report (2017-05-24) and a strain names article (2017-02-23). The strains.cc profile lists sativa, 20% THC, with pine/citrus/spicy/earthy/woody flavours. The ISMOKE 'Bud Facts' article provides first-hand UK context that could enrich the reference profile.
Genetics and lineage
The recorded lineage includes Northern Lights #5 x Shiva Skunk x Haze, developed by Sensi Seeds.
Flavour
The flavour vocabulary includes Pine, Citrus, Spicy, Earthy and Woody.
Reported character
Commonly reported effects include Euphoric, Creative, Energetic, Uplifted and Happy.
Awards and reputation
Jack Herer has won multiple Cannabis Cups and is consistently ranked among the greatest sativa strains of all time.
Uncertainty and variation
This profile has no independently recorded aroma data. Cultivar names, potency and characteristics vary between growers, batches and phenotypes. The archive records a specific reviewed sample — it is not a current product specification.
Reported Effects of Jack Herer
Users most commonly report feeling euphoric, creative, energetic, uplifted and happy after consuming Jack Herer. These subjective effects are drawn from user-reported data and individual experiences vary considerably. The effects profile is influenced by the strain's dominant terpenes — Terpinolene (aroma and mood), Caryophyllene (comfort and ease), and Myrcene (freshness and energy) — as well as individual tolerance, consumption method and dosage.
Terpene Profile
The dominant terpenes recorded for Jack Herer are Terpinolene (a complex floral-pine-citrus scent associated with uplifting experiences), Caryophyllene (a spicy, peppery character associated with comfort and ease) and Myrcene (an earthy, musky profile commonly associated with relaxation and the classic sedative sensation). Terpene profiles can vary between phenotypes, growing conditions and curing methods.
For more on how terpenes influence the cannabis experience, see our guide to cannabis terpenes and browse the terpene directory.
Flowering Time and Cultivation
Jack Herer has a typical indoor flowering time of approximately 9 to 10 weeks. Outdoor growers in the Northern Hemisphere can expect harvest around mid-October. The cultivar is known for tall vigorous sativa-leaning structure, substantial stretch, and high yields in optimal conditions.
Cultivation information is provided for reference. Growing conditions, phenotype selection and cultivation skill materially affect outcomes.
Jack Herer Questions
What is Jack Herer?
Jack Herer is classified as sativa. Its recorded parent strains are Northern Lights, Shiva Skunk and Haze.
Is Jack Herer indica or sativa?
Jack Herer is recorded as sativa. Most modern cultivars are hybrids with both indica and sativa ancestry, so individual experiences can vary.
How strong is Jack Herer?
The archive record notes THC 20% and CBD <1% for Jack Herer. Actual potency varies between batches, growers and phenotypes.
Is Jack Herer suitable for beginners?
At around 20% THC, Jack Herer sits in the moderate-to-strong range. Beginners should start low and go slow — a little often goes a long way. Individual tolerance varies considerably.
What does Jack Herer taste like?
The archive lists pine, citrus, spicy, earthy and woody as flavour notes for Jack Herer.
What effects are reported for Jack Herer?
Community-reported effects include euphoric, creative, energetic, uplifted and happy. Individual experience varies considerably.
What are the potential downsides of Jack Herer?
Commonly reported side effects include dry mouth, dry eyes, paranoid and dizzy. These are self-reported and vary widely between consumers.
What terpenes are in Jack Herer?
The archive record lists terpinolene, caryophyllene and myrcene as terpenes associated with Jack Herer.
What is the genetic lineage of Jack Herer?
The recorded parent strains are Northern Lights, Shiva Skunk and Haze. Lineage accounts can differ by breeder and source.
Is every Jack Herer sample identical?
No. Phenotype, cultivation methods, storage conditions and batch differences can materially change appearance, aroma, flavour and reported character. The archive records what was observed in specific samples — your experience may differ.