- Strain Type: Sativa-dominant hybrid
- Genetics: Black Domina × Jack Herer
- Breeder: Sweet Seeds
- THC Content: 18–24%
- CBD Content: Low (<1%)
- Terpene Profile: Terpinolene, Myrcene, Caryophyllene
- Primary Flavors: Sweet, incense, citrus, earthy spice
- Flowering Time (Indoor): 9–10 weeks
- Flowering Time (Outdoor): Early October
- Indoor Yield: 500–600 g/m²
- Outdoor Yield: 600–800 g/plant
- Grow Difficulty: Moderate
Black Jack is a powerful sativa-dominant hybrid developed by Sweet Seeds, combining the intense resin production of Black Domina with the cerebral brilliance of Jack Herer. The result is a cannabis strain that offers both substantial yields and a strong, long-lasting psychoactive experience. Black Jack quickly gained popularity in Europe for its potency, balanced structure, and classic haze-influenced terpene profile.
This hybrid stands out for delivering a dynamic high that blends mental stimulation with underlying physical calm. It is often favored by experienced users seeking a strain that provides creative uplift without losing grounding body presence.
Genetics and Lineage
Black Jack is the result of crossing Black Domina with Jack Herer. Black Domina contributes dense bud formation, rich resin coverage, and relaxing indica undertones. Jack Herer brings uplifting cerebral energy, incense-like spice, and a sativa-driven mental clarity.
This genetic pairing produces a plant that expresses vigorous growth and heavy trichome production. The Jack Herer influence is often evident in the energetic onset and aromatic complexity, while Black Domina reinforces structure and depth in both flavor and body effects.
Aroma and Flavor Profile
Black Jack carries a bold and layered aroma. Sweet incense and citrus zest often dominate the scent, supported by earthy spice and faint herbal undertones. The fragrance reflects its haze heritage while retaining a darker, richer base from Black Domina.
On inhale, expect sweet citrus and subtle woody incense notes. The exhale frequently reveals earthy spice and mild pepper, leaving a lingering, slightly sweet finish. Terpinolene commonly plays a central role in shaping both the bright aroma and stimulating mental effects.
Effects and Experience
The high from Black Jack typically begins with a noticeable cerebral lift. Users often report heightened focus, creative thinking, and elevated mood within minutes of consumption. The mental stimulation can feel clear and expansive rather than jittery. As the experience develops, a subtle body relaxation begins to emerge.
While not overwhelmingly sedating, this physical component helps balance the strong cerebral effects, preventing the high from becoming chaotic. In moderate doses, Black Jack is suitable for daytime creative work or social interaction. In higher amounts, it may become more intense and long-lasting. Because of its potency and sativa dominance, those sensitive to strong cerebral strains should start with smaller amounts.
Medical Benefits
Medical cannabis users may choose Black Jack for its uplifting and motivating properties. The strain’s cerebral effects may assist with stress, low mood, and fatigue during the day. The terpene blend — particularly terpinolene and caryophyllene — may contribute to mental clarity and calming physical undertones. While not typically used for heavy sedation, Black Jack can offer balanced symptom relief when managed carefully.
Growing Black Jack
Black Jack is considered moderately challenging to grow but highly rewarding. The plant typically develops strong lateral branching and produces dense, resin-coated buds. Indoor flowering generally completes within 9 to 10 weeks. Due to its resin production and bud density, proper airflow is essential to maintain flower health. Outdoors, harvest usually occurs in early October in favorable climates. With attentive care, Black Jack can deliver high yields of aromatic, potent flowers suitable for both flower consumption and concentrate production.
Final Thoughts
Black Jack blends the cerebral brilliance of Jack Herer with the resin-heavy stability of Black Domina, resulting in a potent and flavorful hybrid. Its incense-citrus aroma, creative mental lift, and balanced physical undertone make it a standout choice for experienced users. For those seeking a dynamic sativa-dominant strain with depth and power, Black Jack offers a bold and rewarding cannabis experience.
