The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 2046Hybrid

P Jack

Jack Herer × Pineapple × P91

P Jack is a sativa-leaning hybrid cultivar that has been available since the early 2010s. While its precise genetic origins are not definitively documented, it is often associated with the Jack Herer family and is known for its creative effects and distinct aroma profile.

EffectsCreative Clarity Uplifting
AromaCitrusPineTropicalPineappleFloralHerbal

Appearance

P Jack flowers typically present as long, tapering spears with sharp calyx stacking, sometimes exhibiting foxtailing under intense light. The buds are medium in density and display vibrant lime to mint green coloration, occasionally showing lavender hues. Orange to tangerine pistils are densely threaded throughout, contrasting with abundant trichome coverage that gives the buds a shimmering appearance.

Aroma & Flavor

The aroma of P Jack is characterized by bright citrus zest and pine notes, often complemented by sweet tropical scents like pineapple or mango. Underlying these top notes, a peppery, herbal scent emerges, with some phenotypes offering a subtle floral nuance. Upon consumption, P Jack typically delivers a crisp citrus inhale and a pine-herbal exhale, with sweeter, candy-like notes more pronounced in certain variations.

Effects

P Jack is recognized as a daytime-friendly cultivar with a reputation for promoting clarity and creative energy. Its effects are generally consistent with those of Jack Herer progeny, offering a brisk mental uplift that is well-suited for creative pursuits or daytime activities.

Terpenes & Cannabinoids

The terpene profile of P Jack commonly leans towards terpinolene, limonene, and beta-myrcene, often supported by beta-caryophyllene and alpha-pinene. This combination contributes to its characteristic citrus-pine aroma and flavor. THC levels typically range from 18-22%, with CBD content consistently below 1%. Some batches may also contain minor cannabinoids like CBG and THCV.

Origins & Lineage

The exact origin of P Jack is not precisely documented, leading to some ambiguity in its lineage. It is often considered a sativa-leaning cultivar closely related to the Jack Herer family. Common interpretations suggest it may be Pineapple Jack (Pineapple x Jack Herer) or a hybrid of Jack Herer with a 'P' line cultivar, such as P91 or an in-house proprietary strain.

Growing

P Jack is generally considered a moderately variable hybrid, with plant architecture typical of Jack Herer progeny. Growers can expect moderate stretch during flowering, with spear-shaped colas and a medium-high calyx-to-leaf ratio. Phenotype selection may be beneficial for achieving the most consistent results, focusing on terpene intensity and trichome density.

Frequently asked questions

What is the THC content of P Jack?
P Jack typically contains between 18-22% THC, with CBD levels below 1%.
What are the dominant terpenes in P Jack?
Common dominant terpenes in P Jack include terpinolene, limonene, and beta-myrcene, often accompanied by beta-caryophyllene and alpha-pinene.
What are the effects of P Jack?
P Jack is known for promoting clarity and creative energy, making it a popular choice for daytime use.
What is the lineage of P Jack?
The precise lineage of P Jack is not fully documented, but it is generally considered a sativa-leaning hybrid with strong ties to Jack Herer, potentially involving crosses with Pineapple or a 'P' line cultivar.