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Black Jack

Typical Effects

Common Usage

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About Black Jack Strain

Black Jack is a renowned hybrid cannabis strain. It has garnered a dedicated fan following within the cannabis community thanks to its distinct characteristics and versatile effects. Crafted through the fusion of two iconic strains, Black Domina and Jack Herer, Black Jack represents a harmonious blend of Indica and Sativa genetics. And this is exactly what strikes a balance that appeals to a wide range of users.

Black Jack stands out due to its well-balanced THC content, typically ranging from 15% to 25%. This equilibrium ensures users can enjoy both euphoria and relaxation. Consequently, it’s a favored choice for those seeking a pleasant cannabis experience without overwhelming effects.

History & Genetics

Black Jack is a product of careful breeding, a cross between two legendary strains: Black Domina and Jack Herer. Black Domina, an Indica-dominant strain, contributes to the strain’s relaxing qualities. Jack Herer, on the other hand, a Sativa-dominant strain, brings in uplifting and creative effects.

The fusion of these two diverse genetic lineages in Black Jack results in a strain that skillfully balances the best attributes of both Indica and Sativa. This carefully crafted genetic blend has created a cannabis strain that appeals to a broad spectrum of users, from those seeking relaxation and stress relief to individuals desiring a burst of energy and creativity.

Appearance, Aroma and Flavor

The Black Jack buds created by Nirvana Seeds typically exhibit a smaller, popcorn-like appearance. They feature pale green leaves adorned with orange pistils and are covered in a generous layer of trichomes. In contrast, the Sweet Seeds variety tends to yield larger, denser buds. These Black Jack buds occasionally display hints of purple in the leaves.

Both variations share a remarkable stickiness, making manual handling a bit challenging. However, their high resin content makes them especially suitable for the production of hash and various THC concentrates.

In terms of aroma and flavor, both Black Jack strains offer a woody and piney scent. However, the Sweet Seeds variant carries a unique floral note reminiscent of its parent strain, Jack Herer, with undertones of fresh grapefruit complemented by subtle hints of musk and tobacco.

On the other hand, Nirvana’s variety, though similar, may occasionally feature a faint berry aroma. When smoked, both strains produce a dense yet smooth inhale, with a sweet and slightly creamy or malted taste lingering on the exhale.


Dosing with Black Jack should be approached with care, especially for novice users, due to its moderate to high THC content, which can range from 15% to 25%. For beginners, start with a small dose, such as a single puff or a low-dose edible, and wait to gauge the effects. More experienced users may find that a moderate dose provides the desired balance of relaxation and euphoria without overwhelming sedation.


Black Jack’s effects are a captivating journey through the realms of creativity, focus, and relaxation. Upon consumption, users often notice an initial burst of energy and an uplifted mood, making it an ideal choice for social gatherings, creative endeavors, or simply brightening a gloomy day. This cerebral stimulation, stemming from the Sativa lineage, encourages creativity and engagement with tasks or conversations.

As time progresses, Black Jack gently transitions into its Indica side, allowing the relaxation to take center stage. Stress and tension melt away, leaving users with a profound sense of calm and well-being. Unlike some high-THC strains, Black Jack tends to provide a smoother, less jarring comedown, making it suitable for those who want to maintain a clear mind.

Another noteworthy aspect of Black Jack is its potential to enhance focus and concentration. Some users find that it helps them engage in deep, immersive activities or maintain a clear train of thought, making it a favorite among artists, writers, and those with demanding workloads.

Methods of Consumption

Black Jack can be consumed using various methods to suit individual preferences. Smoking the dried flowers in a joint or a pipe is a classic choice, delivering quick onset and precise dosing. Vaporization is another popular option that provides a smoother and more flavorful experience.

For those looking for a smoke-free alternative, edibles, tinctures, and capsules are available. These alternatives result in a longer-lasting and more controlled effect. Besides, each method has its unique advantages. This means, users can choose the one that best aligns with their preferences and needs.


Both varieties of Black Jack are beginner-friendly for cultivation, suitable for both indoor and outdoor growing. Outdoors, they thrive with consistent dappled sunlight and temperatures around 70-80°F. Indoors, they have a bushy indica shape with moderate height and robust lateral branching.
Both strains display spacious nodes between bud sites. Sweet Seeds’ Black Jack flowers in 8-9 weeks indoors, while Nirvana’s Blackjack takes 9-11 weeks. Towards the end of the flowering phase, their aromatic profiles become quite potent, which might be a concern for discreet growers. Both strains offer a generous yield, producing up to 500 grams per square meter.


Is Black Jack suitable for beginners?

What are the medical benefits of Black Jack?

How should I store Black Jack buds for freshness?

Can I grow Black Jack outdoors in a colder climate?

What sets Black Jack apart from other hybrid strains?

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