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Romulan Haze Feminized
Well-balanced feminized indica with relaxed and sleepy effects and compact, resin-coated structure. Ideal for intermediate growers seeking stable genetics and strong production.
βFlavor:Sweet grape, pine, woody incense
Grower tip: Maintain strong airflow, dense indica buds risk mold in late flower
Premium stabilized genetics Β· germination guaranteed
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About Romulan Haze Feminized
In a market saturated with indica genetics at the 19% THC range, Romulan Haze distinguishes itself through its caryophyllene/myrcene terpene combination and its reliable density without the mold susceptibility that plagues many dense-budding indicas. Compared to similar genetics in our catalog, Romulan Haze trades raw potency for terpene complexity, which makes the flower more interesting to experienced users who have moved past judging quality by THC percentage alone.
How It Grows Compared to Similar Genetics
In the grow room, Romulan Haze handles like a typical indica, compact, efficient with space, and finishes on time. But where it diverges from other indicas in this THC range: the bud structure is slightly less rock-hard than genetics like Bubba Kush or Hindu Kush, which actually benefits growers in humid environments because the marginal airflow through the flower reduces mold risk.
Flowering: 9-11 weeks. Yield: 450-550g/mΒ² indoor / 400-600g/plant outdoor. Height: Short-Medium (2-3.5 ft). Difficulty: intermediate. Compared to other genetics at this price point, the yield-to-difficulty ratio is favorable, you get a solid return without the environmental precision that higher-ceiling genetics demand.
Effects and Use
At 19% THC, Romulan Haze delivers relaxed, sleepy, happy effects with a caryophyllene-influenced character. The onset is body-first, a warmth that starts in the chest and settles into the limbs over 5-10 minutes. At moderate doses, you remain conversational and present. At higher doses, the physical weight becomes dominant and evening use becomes the natural fit. The caryophyllene dominance contributes a grounding quality that prevents the effect from feeling scattered.
Terpene Profile
Dominant terpenes: Caryophyllene (primary), Myrcene (secondary), Bisabolol (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 Romulan Haze
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.
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Romulan Haze 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 Γ THCA). Individual seed-lot expression may vary by 1-3 percent.
Romulan Haze Feminized, Aggregated Grower Yield Reports
Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Romulan Haze Feminized feminized seeds. First-time growers should expect 70-85 percent of these numbers.
| Setup | Yield |
|---|---|
| 5Γ5 tent, 730W LED, ScrOG + topping | 388g |
| 5Γ5 tent, 730W LED, SCROG | 389g |
Romulan Haze Feminized, Sourcing & Genetics
Romulan Haze Feminized was developed in the 1990s and has been continuously refined since, modern releases are far more stable than the original 90s phenotypes.
Cold-tolerant; performs well in short-season Northern states (ME, VT, MN, WI). Indoor cultivation works anywhere.
Romulan Haze 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.
A genuine F5 inbred line. Romulan Haze has been worked across five generations of Royal King Genetics phenotype selection on the original mid-2010s reference stock. Population homogeneity is the standard, not the exception.
Restabilize a mid-2010s cultivar to modern uniformity standards.
Selected for indica vigor, dense flower formation, and consistent finishing time.
Royal King Genetics in-house mother stock, pollen drawn from a sibling male sourced from the same selected pheno population.