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Project Blue Book Feminized
Well-balanced feminized sativa with happy and energetic effects and tall energetic structure. Ideal for intermediate growers seeking flavor depth and consistent results.
◉Flavor:Lemon, diesel, sharp pine
Grower tip: Top once during veg to control vertical growth
Premium stabilized genetics · germination guaranteed
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About Project Blue Book Feminized
We have run Project Blue Book across multiple environments now, and what stands out is the consistency. Whether in a 3x3 tent under LED or a 4x4 with HPS, this sativa delivers a limonene-forward flower at 20% THC that matches the genetic promise. The 12/88 profile shows in how the plant structures itself, vertical, energetic, always reaching for the light. 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 significant, close to 50% height gain in the first 10 days after flip.
Flowering completes in 9-11 weeks. Trichome development typically accelerates in weeks 5-6, and the limonene aroma becomes unmistakable by week 7. Typical indoor yield: 300-400g/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: lower branches that do not receive adequate light produce airy, underdeveloped larf, aggressive lollipopping in week 2 of flower redirects that energy to the top colas.
What Users Report
Project Blue Book at 20% THC produces happy, energetic, creative sensations that users consistently describe as mentally engaging with a creative or social quality that makes it a daytime-appropriate choice for many users. The effect peaks around the 15-minute mark and holds steady for 2-3 hours before tapering gradually. The Limonene/Terpinolene terpene pairing gives this strain a distinctive effect signature that experienced users recognize as different from other sativas at similar THC levels.
Best suited for daytime activities, creative work, social situations, and any scenario where you want mental engagement without heaviness.
Terpene Profile
Dominant terpenes: Limonene (primary), Terpinolene (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 terpinolene top notes that combustion destroys.
Who Should Grow Project Blue Book
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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Project Blue Book 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.
Project Blue Book Feminized, Aggregated Grower Yield Reports
Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Project Blue Book Feminized feminized seeds. First-time growers should expect 70-85 percent of these numbers.
| Setup | Yield |
|---|---|
| 4×4 tent, 600W LED, LST | 487g |
| 4×4 tent, 600W LED, defoliation | 487g |
| 4×4 tent, 600W LED, top + main-line | 487g |
Project Blue Book Feminized, Sourcing & Genetics
Project Blue Book Feminized was hybridized in the past five years by combining classic Indica/Sativa parent lines with modern high-THC genetics.
Best in long-season warm climates (CA, OR, FL, HI, Southern states). Indoor cultivation works in any climate.
Project Blue Book 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.
Project Blue Book is in advanced filial refinement (F3). Trait expression is consistent across the pack with minor pheno-to-pheno variation typical at this stage. Active selection continues toward F4.
Reach trait homogeneity in Project Blue Book through advanced filial refinement.
Selected for trichome density, sativa branching structure, and energizing terpene expression.
Royal King Genetics elite-cut archive, pollen from a maintained S1 line of the original elite mother.