NYC Diesel cannabis seeds packaging — Royal King Seeds UK
Hybrid
THC 20%
🎨 Creative
HybridFeminisedIn Stock

NYC Diesel Feminised

Feminised PhotoperiodSee Lab Report →

NYC Diesel Feminised cannabis seeds for UK growers. Hybrid · 20% THC · energetic, happy, uplifted. Discreet UK delivery, priced in GBP.

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Royal King Genetics — first-party test batch

Figures below are from our internal seed-lot QC and verified UK grower submissions, not breeder marketing. Determined from a single batch tested 2026-09-11 on 225 seeds.

Germination rate: 98.6% (n=225)
Last QC test date: 2026-09-11
Indoor yield: 468-638 g/m² (avg across 12 verified grower reports)
Outdoor yield: 622-870 g/plant (avg across 3 verified grower reports)

About NYC Diesel Feminised

Read NYC Diesel backwards from the harvest: 500 g/m2 under lights, 450 - 500 g/plant outdoors, with resin filling out towards 20% THC. Weight goes on evenly across the 10-11 weeks of bloom, with a clear surge in the last two weeks that rewards leaving the plant alone. The 40/60 split gives you calyx density and an even spread of resin rather than one at the cost of the other. Outdoors, late September to mid-October is the window that misses the wettest of the finish across most of the country while still letting the caryophyllene arrive.

Getting the weight out of this plant

Three stretches of the 10-11 weeks of bloom decide whether you reach the top of this strain's range (500 g/m2 indoors, 450 - 500 g/plant outdoors). The rest is maintenance.

The first ten days of flower. What the plant does during the stretch sets canopy height, and canopy height sets how evenly the light lands. Somewhere around a third is typical. One pass of low-stress training over the tallest shoots keeps the top flat.

Weeks three to five. Caryophyllene production climbs through here, and it responds to a day-night temperature gap of 6-8°C. British autumn nights hand that to outdoor growers for free from September; indoors you have to build it, at roughly 25-26°C lights-on and 18-20°C lights-off. Bloom feed goes potassium-heavy around EC 1.6-1.8.

The last ten to fourteen days. Stop feeding and run pH-corrected water. Check trichomes daily under a 60x loupe — cut at 10-15% amber for the middle of the range. Outdoors that lands between late September and mid-October across most of Britain, and the weather forecast should get a vote.

Flowering: 10-11 weeks. Indoor yield: 500 g/m2. Outdoor yield: 450 - 500 g/plant. Plant height: 90-170 cm. Rated intermediate difficulty.

Flavour, aroma and effect

NYC Diesel arrives in stages. The first draw at 20% THC brings dry pepper that registers at the back of the throat. The energetic, happy, uplifted character follows within minutes, as a head and body effect at once. The mind stays clear while the muscles let go by degrees, which is what makes it adaptable — a small dose carries an afternoon, a larger one turns into an evening. The limonene underneath adds a lift that stops it turning heavy.

Terpene breakdown

Primary: Caryophyllene · Secondary: Limonene · Tertiary: Myrcene. These three build an aroma that keeps moving through the cure. Fresh off the dry it leads with caryophyllene; after three or four weeks sealed in glass at 16-18°C the myrcene underneath comes up and the whole thing gains a layer. Vaporising between 180°C and 195°C catches the widest span of them, since the lighter myrcene molecules are the first thing heat destroys.

Who it suits

Who does well with NYC Diesel? Indoor growers who want the timeline under their own control. Outdoor growers who want to choose when flowering starts. Anyone with the room and the patience to veg it properly before flipping. Difficulty is rated intermediate, which means a moderate learning curve that rewards attention without demanding a laboratory.

Effects

🤑Energetic
71% of people reported feeling Energetic
😊Happy
65% of people reported feeling Happy
😎Uplifted
58% of people reported feeling Uplifted
😌Relaxed
51% of people reported feeling Relaxed
🤩Creative
50% of people reported feeling Creative
🤗Euphoric
40% of people reported feeling Euphoric
🤤Hungry
34% of people reported feeling Hungry
😴Sleepy
31% of people reported feeling Sleepy
😆Giggly
24% of people reported feeling Giggly

Strain Type

Indica 40%Sativa 60%

Strain Data Sheet

🧬THC20% - 23% (High)
🌿LineageBalanced Hybrid (Undisclosed Lineage)
🔬TypeFeminised Hybrid
🌡ClimateTemperate, adaptable
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height90-170 cm
⚖️YieldMedium – High
🏠Yield Indoor500 g/m2
🌳Yield Outdoor450 - 500 g/plant
⏱Flowering Time10-11 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminised Premium
Seeds
Premium Genetics
Protective vial
Resealable +
Royal King Seeds supplies seeds as adult novelty collectibles and for genetic preservation. Purchasers must comply with all applicable United Kingdom legislation.
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NYC Diesel Feminised
royalkingseeds.co.uk
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🛡️Aluminium interior lining
🏷️Protective sticker
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🔢Scratchable serial number

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NYC Diesel Feminised — Breeder Information

Royal King Genetics

Bred and stabilised in-house by Royal King Genetics — our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read the full breeding process and about page.

Stabilisation Level
BX2
Generations
3+
Breeding Programme
Two-Generation Backcross Programme — recurrent-parent fixing
Stabilisation Notes — What This Means for Your Grow

A modern late-2010s hybrid carrying at least one clone-only parent. BX2 is the right stabilisation point: two rounds of backcross fix the parent-cut traits without narrowing the population too far.

Breeding Goal

Fix parent-cut traits in NYC Diesel without narrowing the population too far.

Selection Focus

Chosen for balanced indica/sativa expression, terpene fidelity and pack-to-pack uniformity.

Pollen / Mother Source

Royal King Genetics elite-cut archive — pollen from a maintained S1 line of the original elite mother.

Last Batch QC Verified
8 September 2026· 99%+ germination