Critical Jack Herer
11.2%
THC
Top flavors
Terpenes
Critical Jack Herer effects are mostly energizing.
Critical Jack Herer is lower THC than average.
Critical Jack Herer
11.2%
THC
Top flavors
Terpenes
Critical Jack Herer effects are mostly energizing.
Critical Jack Herer is lower THC than average.
Critical Jack Herer is a modern hybrid-sativa cultivar derived from genetics associated with Jack Herer. This strain thrives in both indoor and outdoor environments, requiring a flowering period of approximately 88 days. While the cultivation process is classified as moderate in difficulty, the plant reliably produces a high yield, making it a functional choice for those seeking a balance between production volume and development time.
The aromatic profile of Critical Jack Herer is defined by its specific terpene hierarchy, led by dominant terpinolene followed by myrcene and caryophyllene. This combination shapes the sensory experience, offering a nuanced chemical composition that reflects its sativa-leaning lineage. These terpenes work in concert to establish the distinct olfactory qualities inherent to the cultivar, grounding the experience in its chemical foundation.
With a THC-dominant profile measured at approximately 11.2 percent, the effects of Critical Jack Herer are characterized by sensations of creativity, uplift, and happiness. Due to these specific qualities, the strain is well-suited for users focused on creative pursuits, social interactions, and projects requiring sustained focus. There are currently no notable offspring recorded for this variety, marking it as a distinct entry within its genetic lineage.
Terpene Profile
Synergies (+) and conflicts (−) are relative to each other within this profile.
| Terpene | Share | Character | Likely role |
|---|---|---|---|
| terpinolene | ~60% | herbal | creative · social |
| caryophyllene | ~28% | spicy | relaxing · social |
| myrcene | ~12% | earthy | relaxing · solo |
Research notes below describe isolated terpene mechanisms and early findings. They do not guarantee effects from this strain and are not medical advice.
~60%
herbal
●○○○
PMC11060501: antinociception via NO/PGE2/TNF-α inhibition; associated with cerebral sativa profiles; least clinically characterised of major terpenes.
~28%
spicy
●●○○
Russo 2011: only terpene that is a selective full CB2 agonist (100 nM); Gertsch et al. 2008: acts as dietary cannabinoid; unique anti-inflammatory and gastric cytoprotective properties.
Russo 2011: naloxone-sensitive analgesia, potentiates barbiturate sleep; dominant sedating terpenoid; blocks hepatic carcinogenesis by aflatoxin.
Effects
Reported effects — derived from terpene chemistry and cannabinoid profile.
creative
morningAssociated with terpinolene/limonene profiles; dopaminergic and serotonergic modulation via limonene 5-HT1A supports divergent thinking.
uplifted
morningLimonene anxiolytic/antidepressant via serotonin elevation in prefrontal cortex (Russo 2011); mood improvement without full euphoria; key for balanced-1-1 profiles.
happy
anytimeGenetic Profile
Sativa-dominant
Primarily sativa with indica grounding. Uplifting with body relaxation.
THC-Dominant
High THC, trace CBD. Psychoactive. Full CB1 agonism — euphoria, appetite, analgesia.
Genealogy
Parentage, ancestry, and genetic relatives of Critical Jack Herer.
Ancestry
Great-grandparents
Siblings
Share parent jack herer
Composite Traits
Where to buy Critical Jack Herer
No verified dispensaries on file — find it on Leafly.
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What would Critical Jack Herer × ? produce?
Predict the terpene profile, effects, and growing traits of a cross. Our gene weaver engine votes on dominant traits from both parents.
Build a cross with Critical Jack Herer →Similar strains
Same primary terpene with overlapping effects.
Frequently Asked Questions
Is Critical Jack Herer indica or sativa?
Critical Jack Herer is modeled here as a sativa-dominant (primarily sativa with indica grounding).
What terpene is dominant in Critical Jack Herer?
Terpinolene is shown as the dominant terpene at approximately ~60%. Caryophyllene follows as the secondary terpene.
Is Critical Jack Herer good for daytime use?
Critical Jack Herer is versatile and works across different times of day depending on dose and individual response.
How accurate is this data?
See the "Data confidence" card in the sidebar. Terpene profiles and effects are chemistry-informed estimates — individual responses depend on phenotype, source, and personal chemistry.