Jealous Jack

Jealous Jack by ISHA SCG is a refined fusion of classic and modern cannabis genetics, crossing the legendary Jack Herer with the elite Jealousy strain. The result is a sativa-dominant hybrid that delivers vigor, potency, and premium quality — tailored for growers and consumers seeking an energetic, well-rounded experience.

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Genetics
Jack Herer × Jealousy
Plant Type
Sativa-Dominant Hybrid (65% Sativa / 35% Indica)
Height
90–150 cm
Indoor Flowering
~9 weeks
Indoor Yield
510–600 g/m²
Outdoor Yield
Up to 900 g per plant
THC
23–28%
CBD
0.9–1.8%

Plant Description

Indoors, plants develop a medium-to-tall structure with strong apical dominance and vigorous lateral branching. Buds are dense and elongated, coated in a thick trichome layer with abundant resin production. The overall build reflects the sativa influence while maintaining enough structure for manageable indoor cultivation.

Yield / Production

Indoor production ranges between 510–600 g/m². Outdoor plants can reach up to 900 g per plant under optimal conditions. High resin output makes the flower well-suited for both premium fresh market and extraction purposes.

Growing Method

Jealous Jack responds well to training techniques including SCROG, topping, and LST. Its sativa influence promotes stretch during early flowering, so canopy management is recommended to maximize light distribution and overall yield efficiency.

Outdoor Behavior

Outdoors, the strain thrives in warm to temperate climates with plenty of direct sunlight. It produces heavy yields and develops strong, well-structured plants capable of supporting dense, resin-rich colas through to harvest.

Indoor Behavior

Indoors, flowering completes in approximately 9 weeks. The sativa-driven stretch during early flowering should be accounted for in space planning. Once canopy is established, growth becomes more uniform and predictable through to the end of the cycle.

Aroma

Aroma reflects the terpene heritage of both parent strains — the classic, piney and spiced profile of Jack Herer complemented by the more contemporary, complex notes of Jealousy. Expression is refined and builds consistently through late flowering.

Flavor

Flavor carries the depth of its dual genetic background, offering a layered experience that bridges the herbal, pine-forward character of Jack Herer with the richer, more nuanced profile of Jealousy. Clean and satisfying from inhale to finish.

Effects

Jealous Jack opens with an uplifting cerebral onset that promotes creativity and focus, before transitioning into a smooth body relaxation without heavy sedation. The experience is energetic and well-balanced, suitable for daytime or active use.

Genetic Lineage

Jack Herer × Jealousy

Use Notes

Ideal for daytime use, creative sessions, and social settings. Well-suited for users seeking mental stimulation paired with physical ease. A strong option for both connoisseur and commercial markets.

Resistance

Demonstrates solid resistance to common pests and environmental stressors. Phenotypic expression remains stable and consistent across grows, making it a dependable option for growers seeking uniform, repeatable results.