The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 8705Hybrid

Key Lime Jack

Key Lime Pie × Jack Herer

Key Lime Jack is a hybrid cannabis strain that emerged from the West Coast craft scene in the 2010s. It is known for blending the energetic qualities of classic sativas with the dessert-like aromas of modern strains, offering a balanced experience.

AromaLimePineHazeFloralMintyPastry

Appearance

Key Lime Jack typically produces elongated, spear-shaped flowers with a high calyx-to-leaf ratio. Buds are medium to large and often display vibrant lime-green hues, complemented by prominent orange pistils. Resin coverage is usually generous, with trichomes giving the buds a frosty appearance. Some phenotypes may exhibit faint violet or plum coloration, particularly under cooler growing conditions.

Aroma & Flavor

The aroma of Key Lime Jack is characterized by a dominant sweet and tart lime zest, layered over a base of pine and subtle haze notes reminiscent of Jack Herer. Underlying this are often creamy, pastry-like, and sometimes minty undertones. Upon heating, the profile shifts to a bright pine-citrus effervescence with a lingering sweet finish.

Effects

This hybrid is generally associated with clear-headed, energetic, and creative effects. It provides an uplifting cerebral onset that is favored by daytime consumers, promoting focus and sociability without inducing heavy sedation. The experience is described as a blend of old-school vigor and contemporary aromatic appeal.

Terpenes & Cannabinoids

Key Lime Jack typically exhibits a THC content ranging from 20-23%, with minimal CBD. The terpene profile is often rich, with Limonene contributing to the citrus notes, Caryophyllene adding creamy or pastry undertones, Terpinolene providing pine and haze characteristics, and Ocimene potentially present. These contribute to its distinct aroma and balanced effects.

Origins & Lineage

Key Lime Jack is widely believed to be a cross between Key Lime Pie, a phenotype of Girl Scout Cookies known for its lime and dessert notes, and the celebrated sativa-dominant hybrid Jack Herer. This pairing aims to combine the uplifting, clear-headed effects of Jack Herer with the appealing confectionery aromatics of the Cookies family, creating a modern hybrid with nostalgic roots.

Growing

Cultivators report that Key Lime Jack generally presents sativa-leaning growth characteristics, with elongated flowers. The strain is known for its aromatic richness and potential for vibrant coloration under specific conditions. Careful environmental control is advised to ensure bud density and terpene retention. Variability exists between phenotypes, with some leaning more towards pine and citrus, while others emphasize lime-custard sweetness.

Frequently asked questions

What is the THC content of Key Lime Jack?
Key Lime Jack typically has a THC content ranging from 20% to 23%.
What are the primary aromas and flavors of Key Lime Jack?
Key Lime Jack is known for its dominant lime zest aroma and flavor, often accompanied by notes of pine, cream, and hints of candy or pastry.
What kind of effects does Key Lime Jack provide?
Consumers often report energetic, creative, and cerebral effects from Key Lime Jack, making it suitable for daytime use.
What is the lineage of Key Lime Jack?
Key Lime Jack is generally understood to be a hybrid cross between Key Lime Pie and Jack Herer.