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sativa-dominant strainSir Jack
Sir Jack is a sativa-dominant strain with the lineage Jack Herer × Haze. Typical aromas include lemon. The effects are generally described as body-focused. The flowering time is currently listed as 9-10 weeks.
View all strainsCharacter profile
Aroma, effects and terpenes
Aromas
Effects
- body-focused
Genetics
Parent line and family tree
Sir Jack is at the beginning. The documented parent lines then follow down to the 2nd generation.
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StrainSir Jack
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ParentsJack Herer
- GrandparentsHaze
- ParentsHaze
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ParentsJack Herer
Editorial profile
Sir Jack in detail
Origin & classification
Sir Jack is a sativa-dominant strain from Jack Herer × Northern Lights #5 × Haze. Exotic Seed is named as the breeder for this strain.
Aroma & flavour
In terms of aroma, Sir Jack is primarily lemony. This gives the strain a soft, often highly accessible aromatic profile.
Terpene profile
Sir Jack is generally described as physical in terms of its effects. Overall, the strain therefore leans in a calmer, more body-focused direction.
Effect tendency
The flowering time is stated as around 63 days. The often-mentioned resin production is also clearly one of the traits that define this strain. Alongside the aroma, the combination of resin, flower density and solid yields is also frequently highlighted.
Cannabinoids, flowering & appearance
Sir Jack is more suited to people who place greater emphasis on calmness, depth and physicality in a strain. It is also described very positively in the sources not only in terms of aroma, but from a practical perspective as well.
Further classification
What matters here is less a single effect than the calm, full overall profile. For many, it is precisely this combination of profile and practical appeal that forms the real attraction of the strain.
Further classification
Genetically, Sir Jack is built on Jack Herer x Northern Lights #5. Haze is also named as an additional genetic influence. In terms of effects, the calmer side dominates, with a body-focused character. Aromatically, it presents a sweet, fruity direction: lemony. With Sir Jack, the aromatic profile is not merely an addition, but a central part of the strain’s identity. When comparing it with other strains, this effect profile is often more informative than a single THC value. The genetic indicators suggest a rather classic, heavy and robust side to Sir Jack. The flowering time is recorded as approximately 63 days. The association with Exotic Seed helps place the strain in context not only through its name, but also through its breeding background. Sir Jack is also associated with a compact, resin-focused flower structure, supporting its fuller strain profile. Classifying it as a sativa-dominant strain fits a brighter, more active strain profile. In terms of character, it is better suited to the relaxed, more body-focused end of the strain spectrum.
Further classification
With Sir Jack in particular, it is helpful that its basic direction can still be clearly derived from its parent line. This makes the strain especially interesting for people seeking a sweeter profile while still expecting structure and recognisability. With Sir Jack, it is important that the sweetness does not stand for generic appeal, but remains clearly connected to its origin and overall character. The result is not an arbitrary dessert profile, but a strain with a clear direction and distinctive signature. Overall, what remains most prominent is the calmer, more body-focused character—not a loud or nervous impression. Together with its breeder association with Exotic Seed, this creates a profile that can be understood well even without marketing language.
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Frequently asked questions about Sir Jack
What type of strain is Sir Jack?
We list Sir Jack as a sativa-dominant strain with the parent line Jack Herer × Haze.
What genetics are behind Sir Jack?
The parent line of Sir Jack is Jack Herer × Haze.
What does Sir Jack smell and taste like?
Aromatically, Sir Jack is primarily associated with lemony notes. Depending on the batch and phenotype, the intensity may vary.
What effect tendency does Sir Jack have?
We primarily describe Sir Jack as body-focused. Effects are subjective and are not a medical promise.
What flowering time is listed for Sir Jack?
A flowering time of 9-10 weeks is listed for Sir Jack.
Which breeder is named for Sir Jack?
Exotic Seed is named as the breeder or cultivator of Sir Jack.
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