The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 1900Hybrid

Black Jack Butterfly Effect

Black Domina × Jack Herer

Black Jack is a hybrid cannabis cultivar frequently recognized for its thick, trichome-encrusted buds and a distinctive aroma profile. It is commonly understood to be a cross between Black Domina and Jack Herer, offering a complex sensory experience.

AromaPineCitrusFloralHerbalPepperyLemonOrange

Appearance

Black Jack is characterized by dense, stout buds with notably large calyxes that appear heavily coated in trichomes, giving them a crystalline or frosted look. These flowers often exhibit lime to deep green coloration, sometimes with purple undertones, interwoven with rust-colored pistils. The structure allows for minimal sugar leaf protrusion, contributing to an appealing visual presentation.

Aroma & Flavor

The aroma of Black Jack is predominantly peppery, citrusy, and herbaceous, often carrying notes of pine and lemon-lime. Underlying floral hints, reminiscent of lilac or juniper, can also be present. Upon consumption, flavors typically follow suit, with a palate that opens with lemon and pine, followed by black pepper and herbal undertones, and a lingering citrus peel finish.

Effects

Consumers report that Black Jack provides hybridized effects that can be both mentally stimulating and physically grounding. While often described as energetic and conducive to creativity, users may experience heightened awareness or racing pulses at higher doses. The overall experience is noted for its balanced yet potent character.

Terpenes & Cannabinoids

Terpinolene is frequently identified as the dominant terpene in Black Jack, contributing to its bright aromatic profile. Other commonly found terpenes include caryophyllene, ocimene, myrcene, and limonene. This cultivar is primarily THC-dominant, with THC levels often ranging from 18% to 26%, while CBD content is typically minimal, usually below 1%.

Growing

Black Jack is recognized for its high resin production and calyx-forward structure, making it appealing for cultivation and extraction. The plant's morphology, with dense bud clusters and a favorable calyx-to-leaf ratio, can contribute to efficient trimming and visually striking yields. Its European breeding history suggests adaptability, though specific cultivation details would depend on the phenotype.

Origins & Lineage

Black Jack is widely regarded as a hybrid cross originating from the European breeding scene of the late 1990s and early 2000s. Its genetic lineage is most commonly attributed to a combination of Black Domina, an indica-dominant strain known for resin production, and Jack Herer, a sativa-dominant strain celebrated for its aromatic complexity and uplifting effects.

Frequently asked questions

What is the THC content of Black Jack?
Black Jack typically has a THC content ranging from 18% to 26%, with many sources indicating an average around 20-22%.
What are the dominant terpenes in Black Jack?
Terpinolene is often the dominant terpene, accompanied by caryophyllene, ocimene, myrcene, and limonene.
What is the flavor profile of Black Jack?
Black Jack offers a flavor profile that includes notes of lemon, pine, black pepper, and various herbs, with some phenotypes exhibiting floral or candy-like sweetness.
What are the reported effects of Black Jack?
Users often describe Black Jack as providing energetic and creative effects, though it can also lead to racing pulses at higher doses, indicating a balanced hybrid experience.