Cali Jack cannabis seeds packaging, Royal King Seeds USA
Hybrid
THC 24%
🎨 Creative
HybridFeminizedIn Stock

Cali Jack Feminized

Feminized PhotoperiodLab Profile Available →

Potent feminized hybrid with euphoric and creative effects and balanced hybrid structure. Ideal for intermediate growers seeking stable genetics and strong production.

Flavor:Cherry, cream, hints of fuel

Best for:🕐Anytime🛋️Relaxation🧘Stress Relief
Intermediate Grower
🧬
THC
24%
Flower
9-11 weeks
⚖️
Yield
High
🎯
Difficulty
Intermediate
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: LST during veg creates an even canopy and more bud sites

Select Pack Size
$15.49USD

Premium stabilized genetics · germination guaranteed

Generates high production in both indoor and outdoor setups
Hits with clean euphoric effects that shine during anytime
Hybrid-dominant genetics with stable, consistent phenotype

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About Cali Jack Feminized

The genetic expression of Cali Jack, a 36/64 hybrid, varies meaningfully across phenotypes. Most seeds from this line produce the dominant phenotype: a moderate frame that branches well and produces evenly developed colas with a mix of density and airflow. But expect variation, roughly 1 in 4 plants will lean more strongly in one parental direction, which is part of what makes pheno-hunting this strain interesting. THC testing at 24% across phenotypes, with Limonene consistently dominant.

Genetic Expression in the Grow Room

The dominant phenotype, which appears in roughly 70-75% of seeds, produces a balanced frame that takes to training intuitively. The branching pattern suggests hybrid vigor, aggressive enough to fill space without becoming unmanageable. Flower structure falls between dense and airy, which provides a good balance of bag appeal and mold resistance.

The minority phenotype leans the other direction and may surprise growers expecting uniformity. Flowering completes in 9-11 weeks across phenotypes. Yield: 450-550g/m² indoor, 350-500g/plant outdoor. Height: Compact (2-3 ft). Rated intermediate, the phenotype variation adds a layer of interest without adding significant difficulty. Growing from feminized seeds.

Effects and Use

At 24% THC, Cali Jack delivers euphoric, creative, calm effects with a limonene-influenced character. The onset is balanced, head and body arrive together and remain proportional throughout a 2-3 hour duration. This makes the strain adaptable to different situations depending on dose. The limonene dominance keeps the mental space bright and slightly elevated even when the body relaxes.

Terpene Profile

Dominant terpenes: Limonene (primary), Caryophyllene (secondary), Linalool (tertiary). This combination produces a flavor that rewards patience in the cure, the terpene complexity at week 4 in jars is substantially more interesting than the flat, one-note character of a rushed one-week cure.

Who Should Grow Cali Jack

Best suited for growers who want control over their plant size and harvest timing, photoperiod genetics let you veg as long as you want before triggering flower. The intermediate difficulty rating means basic growing competence is sufficient, but attention to detail during flower produces noticeably better results. Ships discreetly to all 50 US states with our germination guarantee.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
🤩Creative
70% of people reported feeling Creative
🧘Calm
60% of people reported feeling Calm
😌Relaxed
51% of people reported feeling Relaxed
😊Happy
45% of people reported feeling Happy
😎Uplifted
38% of people reported feeling Uplifted
🤤Hungry
34% of people reported feeling Hungry
😴Sleepy
31% of people reported feeling Sleepy
😆Giggly
24% of people reported feeling Giggly

Best For

Anytime
Relaxation
Stress Relief

Strain Type

Indica 36%Sativa 64%

Strain Data Sheet

🧬THC24% - 28% (High)
🌿LineageJack Herer × Pre-98 Bubba Kush
🔬TypeFeminized Hybrid
🌡ClimateTemperate, adaptable
📅HarvestLate September – October, N. hemisphere (typical)
📏Height100 – 160 cm (typical)
⚖️YieldHigh
🏠Yield Indoor400-600 g/m2
🌳Yield Outdoor400 – 600 g/plant (typical)
Flowering Time9-11 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium US Genetics
Protective vial
Resealable +
Royal King Seeds sells seeds for souvenir and collectible purposes. Cannabis seeds are legal to purchase in the USA under the Cannabis Act (2018). Customers are responsible for understanding local laws.
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Cali Jack Feminized
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Cali Jack Strain Review

Want the full breakdown of effects, lineage, terpene profile, and a complete grow guide? Read our in-depth Cali Jack strain review.

Read the Strain Review

Cali Jack Feminized, Cannabinoid & Terpene Reference

Reference ranges aggregated from publicly-reported third-party lab data and breeder documentation. Total THC reported as max-potential (THC + 0.877 × THCA). Individual seed-lot expression may vary by 1-3 percent.

Total THC
24.1%
CBD
0.12%
Top Terpenes
Limonene, Caryophyllene, Myrcene

Cali Jack Feminized, Aggregated Grower Yield Reports

Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Cali Jack Feminized feminized seeds. First-time growers should expect 70-85 percent of these numbers.

SetupYield
5×5 tent, 730W LED, SCROG360g
Outdoor, 25-gal fabric pot, full sun1049g

Cali Jack Feminized, Sourcing & Genetics

Release Era
Modern stabilized line
Parent Genetics
Jack Herer × Pre-98 Bubba Kush
Lineage Notes

Cali Jack is an indica-dominant cross of the sativa Jack Herer and Pre-98 Bubba Kush, documented by Medicann Seeds and noted for its higher CBD content.

Recommended US Climate

Adaptable to most US climates. Performs best in moderate temperature ranges (60-85°F). Indoor recommended in extreme climates.

Cali Jack Feminized, Breeder Information

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics , our internal breeding team. Every order is backed by our 95% germination guarantee. Read our full breeding process and about page.

Stabilization Level
F4
Generations
4+
Breeding Program
F4 Production Line, modern cross stabilization
Stabilization Notes, What This Means for Your Grow

A mid-2010s cross stabilized over four generations of selection. Cali Jack grows true-to-type with the bud density that defines the cultivar.

Breeding Goal

Eliminate off-type phenos in Cali Jack through filial selection.

Selection Focus

Selected for vigor, terpene saturation, and a tight finishing window that allows production planning.

Pollen / Mother Source

Royal King Genetics elite-cut archive, pollen from a maintained S1 line of the original elite mother.

Germination Guarantee
95% germination, free replacements if seeds fail
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