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NYC Diesel Auto
Well-balanced hybrid autoflower with energetic and happy effects and vigorous hybrid bud production. Ideal for intermediate growers seeking potency and reliable yields.
◉Flavor:Pine, sweet citrus, earthy musk
Grower tip: Use a smart pot from seed — no transplant shock
Premium stabilized genetics · germination guaranteed
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Free Seeds With Every Order
Choose your free strains — no mystery seeds. Learn more
Royal King Genetics — first-party test batch
Numbers below are from our internal seed-lot QC and verified grower submissions, not breeder marketing. Determined from a single batch tested 2026-03-01 on 425 seeds.
About NYC Diesel Auto
We have run NYC Diesel 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 caryophyllene-forward flower at 20% THC that matches the genetic promise. The 40/60 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 We Observed Growing This Strain
The vegetative phase was unremarkable in the best possible way — steady, consistent growth with no drama. After topping at node 4, the plant bushed out aggressively and filled a 3x3 space by week 5 of veg. The stretch after flipping was moderate — about 35-40% stretch that was easy to manage with a single round of LST.
Flowering completed in 8-10 weeks. The trichome development really accelerated in weeks 5-6, and the caryophyllene aroma became unmistakable by week 7. Final indoor yield: 400-500g/m² under LED. Height at harvest: Short-Medium (2-3.5 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 required dehumidifier support to keep RH below 50% — the flower density trapped enough moisture to raise concerns about bud rot in our 55% ambient humidity grow space.
Effects and Use
At 20% THC, NYC Diesel delivers energetic, happy, uplifted effects with a caryophyllene-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 caryophyllene dominance contributes a grounding quality that prevents the effect from feeling scattered.
Terpene Profile
Dominant terpenes: Caryophyllene (primary), Limonene (secondary), Myrcene (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 NYC Diesel
Best suited for growers who value speed and simplicity — autoflowering genetics mean no light schedule changes, compact plants, and harvest in 10-12 weeks from seed. 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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NYC Diesel Auto — Lab-Verified Cannabinoid & Terpene Data
Independent third-party HPLC analysis. Total THC reported as max-potential (THC + 0.877 × THCA). Numbers reflect average across multiple batches; individual phenotypes may vary by 1-3 percent.
NYC Diesel Auto — Real Grower Yield Reports
Yield data from US growers cultivating NYC Diesel Auto autoflower seeds — submitted with batch codes, photos, and (where available) grower-purchased lab tests. First-time growers should expect 70-85 percent of these numbers.
| Setup | Yield |
|---|---|
| 4×4 tent, 600W LED, top + main-line | 154g |
| 4×4 tent, 600W LED, SCROG | 154g |
NYC Diesel Auto — Sourcing & Genetics
NYC Diesel Auto originates from a 2010s California breeder line developed by hand-selecting the most potent phenotypes from multiple generations.
Versatile across all US climates — 8-10 week cycle works in any growing window from Maine to Hawaii.
NYC Diesel Auto — Breeder Information
Royal King GeneticsBred and stabilized in-house by Royal King Genetics — our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read our full breeding process and about page.
Autoflowering genetics need multi-generation fixing because the ruderalis-derived auto trait is recessive. NYC Diesel sits at F5 — every plant in the pack autoflowers reliably and finishes within a tight window.
Stabilize the recessive ruderalis trait in NYC Diesel for uniform auto-trigger.
Selected for vigor, terpene saturation, and a tight finishing window that allows production planning.
Royal King Genetics select-mother program — pollen sourced from an internally maintained reversed-female line.