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Jack Herer Feminized
Well-balanced feminized hybrid with focused and energetic effects and moderate stretch and sturdy branching. Ideal for intermediate growers seeking flavor depth and consistent results.
◉Flavor:Pine, sweet citrus, earthy musk
Grower tip: Top once at node 5–6 for a balanced bush structure
Premium stabilized genetics · germination guaranteed
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About Jack Herer Feminized
We have run Jack Herer across multiple environments now, and what stands out is the consistency. Whether in a 3x3 tent under LED or a 4x4 with HPS, this hybrid delivers a myrcene-forward flower at 18% THC that matches the genetic promise. The 45/55 profile shows in how the plant structures itself, balanced architecture that adapts to whatever training you apply. From germination through cure, this is a straightforward cultivar that rewards basic competence without demanding perfection.
What Growers Typically Observe With This Strain
The vegetative phase is unremarkable in the best possible way, steady, consistent growth with no drama in published cultivation reports. After topping at node 4, plants commonly bush out aggressively and fill a 3x3 space by week 5 of veg. The stretch after flipping is moderate, about 35-40% stretch that is easy to manage with a single round of LST.
Flowering completes in 9-11 weeks. Trichome development typically accelerates in weeks 5-6, and the myrcene aroma becomes unmistakable by week 7. Typical indoor yield: 350-450g/m² under LED. Height at harvest: Tall (4-5 ft). Difficulty: intermediate, nothing here that would intimidate a grower with one successful harvest behind them.
The one thing to watch: the last two weeks before harvest commonly require dehumidifier support to keep RH below 50%, the flower density can trap enough moisture to raise concerns about bud rot in ambient humidity above 55%.
What Users Report
Jack Herer at 18% THC produces focused, energetic 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 a nose that develops complexity through the cure, expect the primary myrcene character to emerge first, with limonene and pinene notes adding layers over 3-4 weeks in jars.
Who Should Grow Jack Herer
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 9-11 weeks flowering period to their frost-free window.
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Jack Herer Strain Review
Want the full breakdown of effects, lineage, terpene profile, and a complete grow guide? Read our in-depth Jack Herer strain review.
Jack Herer 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.
Jack Herer Feminized, Aggregated Grower Yield Reports
Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Jack Herer Feminized feminized seeds. First-time growers should expect 70-85 percent of these numbers.
| Setup | Yield |
|---|---|
| Outdoor, 25-gal fabric pot, full sun | 655g |
| 4×4 tent, 600W LED, top + main-line | 456g |
| 4×4 tent, 600W LED, defoliation | 456g |
Jack Herer Feminized, Sourcing & Genetics
Jack Herer was developed by Sensi Seeds in the Netherlands as a cross of a Haze hybrid with Northern Lights #5 and Shiva Skunk, and is named after the cannabis activist and author.
Adaptable to most US climates. Performs best in moderate temperature ranges (60-85°F). Indoor recommended in extreme climates.
Jack Herer Feminized, Breeder Information
Royal King GeneticsBred 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.
Jack Herer is a heritage line we have worked through five generations of inbred selection. The late-1990s legacy reference profile, terpene character, finish window, structure, is locked into the population. Every plant in the pack carries the trait set that made Jack Herer a benchmark cultivar.
Bring the original Jack Herer reference profile to true-to-type seed stock.
Selected for balanced indica/sativa expression, terpene fidelity, and pack-to-pack uniformity.
Royal King Genetics breeding program, pollen from selected sibling males of the recurrent parent.