Sour Jack
Sour Jack: a sativa strain with 28% THC, known for talkative, euphoric, focused.
Experience scores
0–100 profile derived from cannabinoids, effects, and terpenes.
About Sour Jack
A sativa cross of Sour Diesel × Jack Herer, Sour Jack typically tests around 28% THC with a Terpinolene-dominant nose. The experience tends toward talkative, euphoric, focused, and the palate carries earthy, pine. Often used for depression, anxiety. Overall score: 8.3/10.
Effects
Relative prominence based on the strain profile.
Possible negatives
Dominant Terpenes
Sensory Profile
Taste
Aroma
Strain scores
★ 4.6 from 19,946 community ratings
Lineage & profile
Parents: Sour Diesel × Jack Herer
Perfect for afternoon transition sessions, helping you relax post-work while keeping social conversation flows open.
Medical & mood
Medical marijuana patients frequently turn to Sour Jack to help manage symptoms associated with depression, anxiety. The strain's talkative and euphoric properties are reported to help ease tension, reduce physical discomfort, and lift mood without causing excessive grogginess.
Evidence level: low — Limited to laboratory cell tests and anecdotal patient reporting. Talk to a physician before treating medical conditions.
Smoking timeline
- 0–5 min
Instant cerebral lift. A tingling sensation behind the eyes accompanied by a rush of mental motivation.
- 10–30 min
Heightened sensory awareness. Music sounds deeper, colors look vibrant, and focus transitions into creative flow.
- Peak
Energetic peak. Uplifted thoughts, laughter, and high motivation. Ideal for outdoor adventures or writing.
- Afterglow
Mellow wind-down. Cerebral buzz settles into a peaceful, clear-headed calm. No hard crash.
Typical duration: 2.5 to 3.5 hours
Mental: Highly active, associative thinking, clear-headed.
Body: Light, active, high physical coordination.
Who will love it
Creative professionals, hikers, and anyone looking for active daytime energy without physical lethargy.
Who should avoid it
Avoid using this strain late at night if you are prone to racing thoughts, as the energetic high may interfere with sleep.
Pro secrets
The secret to unlocking the full potential of Sour Jack lies in temperature control. To preserve its delicate Terpinolene terpenes, vaporize at 356°F (180°C) rather than combusting. This triggers the entourage effect, blending its 28% THC with secondary cannabinoids. It offers a balanced transition, making it great for social afternoons, hiking, or relaxing after work. Beginners should start with a single inhalation due to its fast-acting onset, while seasoned users can appreciate its deep, multi-layered terpene depth.
Browse vaporizers & gear →Expert Note
Look for Sour Jack with strong Terpinolene expression and a clean afternoon finish. It shines when used for social gatherings.
Hidden Truth
The market is flooded with impostor Sour Jack phenotypes. Genuine cuts reveal themselves through Terpinolene-led terpenes and a unmistakable floral finish.
Related Strains
Cosmic Ghost
Bred from Cosmic phenotype × Ghost lineage, Cosmic Ghost is a sativa cultivar with THC near 20% and a Terpinolene-forward terpene profile. Expect talkative, euphoric, focused, backed by flavors of earthy, pine. Many consumers choose it for depression, insomnia. Overall score: 7.5/10.
Dr. Grinspoon
Dr. Grinspoon is a sativa strain born from Landrace heirloom. With THC around 17% and a dominant Terpinolene profile, it delivers euphoric, focused. The flavor and aroma combine pine. Users often reach for it to address depression. Overall score: 6.8/10.
Hawaiian Snow
Hawaiian Snow is a sativa strain born from Hawaiian Sativa × Neville's Haze × Laos. With THC around 18% and a dominant Terpinolene profile, it delivers talkative, focused. The flavor and aroma combine pine, woody. Users often reach for it to address depression, anxiety. Overall score: 6.8/10.
Green Bear
Bred from Green phenotype × Bear lineage, Green Bear is a sativa cultivar with THC near 20% and a Terpinolene-forward terpene profile. Expect euphoric, focused, backed by flavors of pine. Many consumers choose it for depression, fatigue. Overall score: 7.3/10.
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