The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 1252Sativa

Sour Jack by Karma Genetics

Jack Herer

Sour Jack, developed by Karma Genetics, is a sativa-dominant strain celebrated for its unique sensory profile and uplifting effects. It emerged from meticulous breeding aimed at enhancing the classic Jack Herer lineage with innovative genetics, quickly establishing itself as a favorite among discerning cannabis users.

AromaCitrusEarthyFloralHerbalLemonOrangePineSpicySour

Appearance and Structure

Sour Jack buds are typically dense and well-formed, often measuring between 3 to 5 centimeters in thickness. They are characterized by a frosty exterior due to high resin production, with vibrant green hues interspersed with bright orange and red pistils. Microscopic analysis reveals that up to 65% of a bud's surface can be covered in resin glands, contributing to its potent effects and striking visual appeal.

Aroma and Flavor Profile

The aroma of Sour Jack is a complex blend of sour, citrus, and earthy notes, with subtle hints of pine. Upon first inhale, users often experience a sharp, sour tang reminiscent of aged citrus fruits. The flavor profile mirrors the aroma, presenting a crisp tang of lemon and lime, complemented by earthy undertones and a robust herbal finish on the exhale. A subtle spicy character and a lingering sweet, floral aftertaste further enhance the tasting experience.

Cannabinoids and Terpenes

Sour Jack consistently exhibits a high THC content, typically ranging between 18% and 23%. While specific CBD levels are generally below 1%, the strain's genetic makeup allows for a slight increase in terpene convergence. Key terpenes identified include Myrcene, Limonene, and Pinene, which contribute significantly to its distinct aroma, flavor, and effects. Analytical studies indicate a total terpene content of approximately 0.15% to 0.25% by weight.

Effects and Potential Benefits

This sativa-dominant strain is known for delivering cerebral, creative, and focused effects. Users often report an uplifting experience that enhances mental clarity and sparks creativity, making it suitable for both recreational enjoyment and potential therapeutic applications. Its balanced profile provides a stimulating yet manageable experience for many.

Origins and Lineage

Sour Jack was developed by Karma Genetics, tracing its roots to the renowned Jack Herer lineage. The breeders incorporated unique genetics and carefully selected hybrid components, blending upward of 70% sativa genetics to create a strain that honors its heritage while introducing distinct flavor and aroma profiles. This meticulous process resulted in a strain that is both complex and robust, embodying the innovative spirit of modern cannabis breeding.

Frequently asked questions

What is the THC content of Sour Jack?
Sour Jack typically has a THC content ranging between 18% and 23%.
What are the dominant terpenes in Sour Jack?
The dominant terpenes in Sour Jack include Myrcene, Limonene, and Pinene.
What kind of effects does Sour Jack produce?
Sour Jack is known for producing cerebral, creative, and focused effects, often described as uplifting.
What is the flavor profile of Sour Jack?
Sour Jack offers a complex flavor profile with notes of sour citrus, lemon, lime, earthy undertones, and a herbal, sometimes spicy finish.