The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 1592Sativa

Jacks Cleaner 2

Jack's Cleaner × Space Queen

Jack's Cleaner 2, or JC2, is a sativa-leaning hybrid recognized for its distinct lemon-cleaner aroma and rapid cerebral stimulation. It is often sought after as a seed-accessible alternative to the original Jack's Cleaner clone, offering a blend of classic haze clarity and contemporary potency.

May help withStress
AromaCitrusLemonPineSolventEucalyptus

Appearance

Jack's Cleaner 2 typically develops elongated, spear-shaped colas with densely packed flowers that are firm but not overly hard. The plant exhibits strong apical dominance, producing substantial secondary branches. Its foliage is generally narrow with serrated edges, indicative of its sativa heritage, though the leaves are often wider than those of traditional haze varieties. The flowers are typically lime to medium green, adorned with vibrant orange pistils that deepen in color as the plant matures. By the fifth week of flowering, a notable silver-white trichome frosting becomes visible, intensifying as harvest approaches. Some phenotypes may display subtle lavender hues if exposed to a significant drop in nighttime temperatures late in the flowering cycle.

Aroma & Flavor

The signature aroma of Jack's Cleaner 2 is frequently described as reminiscent of lemon cleaner, citrus peel, and pine needles, possessing a sharp, astringent quality. Initial olfactory impressions often reveal a bright surge of limonene and terpinolene, accompanied by a distinct solvent-like note. As the flowers mature, a sweet yet bitter rind character emerges, balancing the high-pitched citrus. Upon inhalation, the flavor is characterized by a quick, bright lemon taste, often accompanied by notes of cream, floral undertones, and hints of lavender. Some users report a tingling or 'fizzing' sensation in the sinuses, attributed to the presence of terpinolene and other monoterpenes.

Effects

Jack's Cleaner 2 delivers a fast-acting cerebral uplift, promoting a sense of energy and focus. It is often favored for daytime use, particularly for engaging in creative endeavors or completing daily tasks. The effects are predominantly stimulating, leading to an energized and clear-headed experience that can enhance productivity and mental clarity.

Terpenes & Cannabinoids

While cannabinoid and terpene profiles can vary by phenotype and cultivation methods, Jack's Cleaner 2 typically tests between 15-25% THC and less than 1% CBD. Common terpenes found in JC2 include limonene, caryophyllene, and terpinolene, contributing to its characteristic citrus and pine-like aroma. These compounds are responsible for many of the strain's sensory attributes and effects. Minor cannabinoids such as THCV and CBC may be present in trace amounts.

Growing

Jack's Cleaner 2 is considered a manageable strain for cultivation, typically finishing flowering indoors in 8 to 10 weeks. It exhibits strong apical dominance and can produce moderate to high yields when trained appropriately. The plant generally experiences significant stretch, averaging 1.5x to 2x its size after the transition to a 12/12 light cycle. Outdoors, harvest typically occurs from late September to mid-October in temperate climates. Support such as staking or trellising is recommended for the tallest colas to prevent lodging as the flowers mature.

Origins & Lineage

Jack's Cleaner 2 was developed by TGA Subcool Seeds (later The Dank) as a seed-accessible version of the legendary, clone-only Jack's Cleaner. The lineage is understood to involve crossing the original Jack's Cleaner with Space Queen, a male known for enhancing resin production and citrus complexity. This breeding effort aimed to stabilize the desirable traits of the original, such as its potent lemon aroma and energetic sativa effects, into a repeatable seed form.

Frequently asked questions

What is the THC content of Jack's Cleaner 2?
THC levels for Jack's Cleaner 2 typically range from 15% to 25%.
What are the dominant terpenes in Jack's Cleaner 2?
The dominant terpenes commonly found in Jack's Cleaner 2 are limonene, caryophyllene, and terpinolene.
What is the typical aroma of Jack's Cleaner 2?
Jack's Cleaner 2 is known for its distinct aroma of lemon cleaner, citrus peel, and pine needles, often with a sharp, astringent quality.
Is Jack's Cleaner 2 suitable for daytime use?
Yes, Jack's Cleaner 2 is often considered a daytime strain due to its energizing and focusing effects.