Jack Flash feminized cannabis flower
Hybrid
THC 19%
🎨 Creative
HybridFeminizedIn Stock

Jack Flash Feminized

Well-balanced feminized hybrid with creative and energetic effects and uniform canopy potential. Ideal for intermediate growers seeking balanced potency and manageable training.

◉Flavor:Citrus, sweet fruit, herbal earth

Best for:🌞Daytime🌤️Depression🩹Pain
Intermediate Grower
🧬
THC
19%
⏱
Flower
55 to 75 days
⚖️
Yield
Typical for type
🎯
Difficulty
Intermediate
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Monitor stretch in early flower and adjust training accordingly

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$14.49USD

Premium genetics

✓Rewards careful growers with typical for type output per plant
✓Delivers creative and energetic effects ideal for daytime
✓Proven hybrid lineage with reliable germination and vigor

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★Stabilized line, consistent across batches
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About Jack Flash Feminized

The genetic expression of Jack Flash, a 60/40 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 19% across phenotypes, with Myrcene 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 55 to 75 days across phenotypes. Yield: 450 gr/m² indoor, around 600 g/plant outdoor. Height: up to 180 cm (indica pheno ~100 cm). Rated intermediate, the phenotype variation adds a layer of interest without adding significant difficulty. Growing from feminized seeds.

What Users Report

Jack Flash at 19% THC produces creative, energetic, relaxed sensations that users consistently describe as versatile enough to serve different purposes depending on dose and setting. Lower doses lean more cerebral and functional. Higher doses bring the body effect forward. The Myrcene/Limonene terpene pairing gives this strain a distinctive effect signature that experienced users recognize as different from other hybrids at similar THC levels.

Best suited for flexible use across the day, lighter doses for daytime function, heavier doses for evening relaxation.

Terpene Profile

Dominant terpenes: Myrcene (primary), Limonene (secondary), Pinene (tertiary). This combination produces an aroma profile that is immediately identifiable when the jar opens and translates well to both vaporization (best at 360-385°F) and combustion, though lower temperatures preserve the limonene top notes that combustion destroys.

Who Should Grow Jack Flash

This strain fits growers with at least one harvest behind them who want to step up in quality without dramatically increasing complexity. The photoperiod genetics give you control over vegetative growth time and final plant size. Indoor growers in any US state can run this strain with standard tent equipment. Outdoor growers should match the 55 to 75 days flowering period to their frost-free window.

Effects

🤩Creative
77% of people reported feeling Creative
🤑Energetic
64% of people reported feeling Energetic
😌Relaxed
58% of people reported feeling Relaxed
😊Happy
51% of people reported feeling Happy
🤗Euphoric
47% of people reported feeling Euphoric
😎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

✦ Daytime
✦ Depression
✦ Pain
✦ Stress

Strain Type

Indica 60%Sativa 40%

Strain Data Sheet

🧬THC19% - 23% (Medium-High)
🌿LineageJack Herer × Super Skunk × Haze
🔬TypeFeminized Hybrid
🌡ClimateTemperate, adaptable
📅HarvestLate September – October, N. hemisphere (typical)
📏Heightup to 180 cm (indica pheno ~100 cm)
⚖️YieldTypical for type
🏠Yield Indoor450 gr/m²
🌳Yield Outdooraround 600 g/plant
⏱Flowering Time55 to 75 days

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. Laws governing cannabis seeds, germination, and cultivation vary by jurisdiction and may change. Customers are responsible for reviewing applicable federal, state, and local requirements before ordering or germinating seeds. This information is not legal advice.
1
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number
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Jack Flash Feminized, Cannabinoid & Terpene Reference

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

Total THC
19.4%
CBD
0.09%
Top Terpenes
Caryophyllene, Limonene, Humulene

Jack Flash Feminized, Aggregated Grower Yield Reports

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

SetupYield
Outdoor, balcony, 5-gal fabric pot926g
Outdoor, greenhouse, supplemental light925g
5×5 tent, 730W LED, ScrOG + topping622g

Jack Flash Feminized, Sourcing & Genetics

Release Era
Modern stabilized line
Parent Genetics
Jack Herer × Super Skunk × Haze
Lineage Notes
Jack Flash was bred by Sensi Seeds by infusing a select Jack Herer mother with Super Skunk and Haze, capturing Jack Herer's Haze high with the vigour and yield of its Afghani-Skunk ancestry.
Recommended US Climate
Adaptable to most US climates. Performs best in moderate temperature ranges (60-85°F). Indoor recommended in extreme climates.

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