Sativa Dominant · Soma Seeds
NYC Diesel
NYC Diesel is the long-running Soma Seeds sativa-dominant hybrid developed through the late 1990s and early 2000s from a New York City Diesel clone crossed with Mexican and Afghani stock, and it became one of the canonical East Coast sativa-leaning hybrids during the years when commercial Diesel-family genetics were largely clone-only. The strain finishes in roughly ten to eleven weeks indoors with significant stretch — Diesel-family sativas typically double in height during the flowering transition — and produces a sharp, sour-grapefruit and diesel terpene profile that growers either love unconditionally or find too aggressive depending on personal preference. The high is firmly sativa with a clear, energetic cerebral lift and minimal body heaviness, which suits daytime social use rather than evening relaxation. Soma's release won multiple High Times Cannabis Cup awards in the early 2000s, cementing NYC Diesel's place in the Diesel family alongside Sour Diesel and the various East Coast Diesel selections. The strain remains in continuous production at Soma Seeds and is one of the bank's most-recognized releases.
Reviewed 2026-05-23· Sources: seedfinder.eu, Soma Seeds catalogue, High Times Cup archives
Potency
- THC range
- 16–21%
- Typical THC
- 19%
- CBD
- up to 0.3%
Flowering
- Indoor weeks
- 10–11 wk
- Difficulty
- Moderate
- Climate
- Mediterranean, warm temperate, indoor
Yield & size
- Indoor
- 400-500 g/m²
- Outdoor
- 450-650 g/plant
- Height
- 130-180 cm
Indica / sativa ratio
Terpene profile
The aromatic compounds below shape how NYC Diesel smells, tastes, and ultimately feels in the body.
- dominant
Caryophyllene
Peppery and spicy — the only terpene that binds CB2 receptors, studied for anti-inflammatory action.
- secondary
Limonene
Uplifting citrus — typically associated with mood elevation and stress relief.
- secondary
Myrcene
Sedating, musky, herbal — commonly linked to couch-lock effects.
- minor
Terpinolene
Piney and fruity — fresh, slightly floral, common in sativa-leaning cultivars.
Reported side effects
Lineage
NYC Diesel traces to Mexican sativa × Afghani. The cross sits in the Diesel family, which influences both the terpene profile and the flowering structure described above.
Genetic family tree
Documented parents for NYC Diesel based on breeder catalogues. Library entries are clickable; ancestors not yet documented on this site appear in a lighter, non-linked box.
Strains crossed with NYC Diesel
NYC Diesel is a parent of 1 strains in the broader catalogue. These are crosses that carry NYC Diesel genetics on at least one side of the cross.
Grow profile
Grow profile
- Indica / sativa
- 30% / 70%
- Flowering days
- 70–77 days
- Stretch
- High
- Pest resistance
- Moderate
- Mold resistance
- Moderate
- Training methods
- topping, scrog, supercropping
Feed schedule for NYC Diesel
These EC and NPK targets are starting points calibrated for the strain's Sativa lean and moderate difficulty rating — not gospel. Drop 15-20% off any EC ceiling on your first run and let the plant tell you where it actually wants to feed.
Suggested feed schedule
- Late veg
- 1.2-1.4 EC
- Early flower
- 1.3-1.5 EC, NPK 2-2-3
- Mid flower
- 1.6-1.8 EC, NPK 1-3-4
- Late flower
- 1.4-1.6 EC
- Final week
- Plain pH-balanced water for the last 7-10 days; light flush if you ran nutrients on the higher end.
Full breakdown of feed math, runoff testing, and salt buildup in our nutrient guide.
What to expect through the grow cycle
NYC Diesel is documented with a 11-week flower and a longer stretch phase typical of sativa-leaning hybrids. The visual below maps a documented 15-week cycle built from 4weeks of vegetative growth and the strain's published flowering window.
Published grow reports for NYC Diesel concentrate the most observational notes on the stretch window. This timeline is descriptive — it reflects what reports document, not a how-to. Actual week-to-week behaviour varies with phenotype, light intensity, pot size, and environment.
Phase details
- Veg (weeks 1-4)
- The documented vegetative period for NYC Diesel. Plants establish root structure, leaf canopy, and node count before flower triggering, with a moderate difficulty rating shaping how forgiving the early canopy work tends to be.
- Stretch (weeks 5-8)
- NYC Diesel is documented as having high stretch. Reports describe the plant roughly doubling in height during this phase as the sativa-leaning structure establishes its final flowering frame.
- Bud sites (weeks 9-10)
- Pre-flowers form at the nodes and calyxes begin to develop. Grow reports for NYC Dieselnote this as the window where the canopy's eventual bud distribution becomes visible.
- Bud development (weeks 11-13)
- Flowers thicken and calyxes fatten through this phase. Documented NYC Diesel runs show the bulk of visible flower mass accumulating here, with resin production accelerating toward the end.
- Ripening (week 14)
- Trichomes transition from clear toward cloudy and amber. Reports for NYC Diesel describe the Caryophyllene-led terpene profile maturing through this window, with aroma sharpening week over week.
- Final (week 15)
- Calyx swelling is documented as complete and the harvest window opens. Published NYC Diesel runs end here, within the 10-11 week flowering range reported by the breeder.
Flavor & aroma
Reported effects
Awards
- 2004 · High Times Cannabis Cup — 1st - Coffeeshop
Common questions about NYC Diesel
Is NYC Diesel the same as Sour Diesel?
No — they share Diesel-family heritage but are distinct strains. Sour Diesel originates from East Coast clone work in the 1990s, while NYC Diesel is Soma's stabilized seed-form selection working from a New York Diesel cut crossed with Mexican and Afghani stock. Effects and terpenes overlap but the structure and flowering windows differ.
Why does NYC Diesel stretch so much?
Diesel-family sativas typically express significant flowering stretch from their Mexican sativa heritage, often doubling in height during the first three weeks of 12/12. Growers should top early and plan for at least 130 cm of vertical space indoors to avoid running into tent ceilings.
Breeder of record
Soma Seeds
View breeder profile and other strains →
Strains similar to NYC Diesel
These picks lean on the same terpene profile and parent genetics as NYC Diesel — shared dominant terps, overlapping lineage, and matching indica/sativa lean. No star ratings or popularity contests, just overlap on the traits that actually drive a similar grow and smoke.
