Oregon Diesel cannabis seeds packaging — Royal King Seeds Ireland
Indica
THC 20%
📈 High Yield
IndicaFeminisedIn Stock

Oregon Diesel Feminised

Oregon Diesel Feminised cannabis seeds for Irish growers. Indica strain · 20% THC · focused, happy, relaxed. Discreet packaging, nationwide delivery, sourced grow figures.

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Royal King Genetics — first-party test batch

Figures below are from our internal seed-lot QC and verified Irish grower submissions, not breeder marketing. Determined from a single batch tested 2026-09-18 on 225 seeds at 21-24°C.

Germination rate: 98.5% (n=225)
Last QC test date: 2026-09-18
Indoor yield: 447-584 g/m² (avg across 7 verified grower reports)
Outdoor yield, Ireland: 451-594 g/plant (avg across 10 verified grower reports)

About Oregon Diesel Feminised

Does Oregon Diesel finish outdoors in Ireland? It does, planted out at the end of May and cut by early October. A compact 90/10 plant is easier to shelter and easier to hide, though the density that makes it worth growing is also what holds water after rain. Bloom takes 8-10 weeks, so the harvest date is set by the calendar far more than by your technique.

What should I expect to take off it? 350–450 g/m² indoors and 450–650 g/plant outdoors are the published figures, and both assume a full light or a full season plus a root run to match. A tunnel gets you most of the way to the outdoor number; a windowsill will not. At 20% THC the effort is well spent either way.

Is it a sensible first grow? Reasonably. Anyone who has finished one grow will manage this one; it asks for consistency rather than expertise.

Other questions that come up about Oregon Diesel

Soil or coco? Coco with fertigation at EC 1.4-1.8 through bloom if you are there daily and want speed. Peat-free soil with slow amendments — fish, blood and bone, seaweed meal, rock phosphate — if you are not, and want flavour. Both suit this indica; the deciding factor is your week, not the plant.

How does it handle the weather here? The dense canopy shades itself, which is useful on the handful of genuinely warm days and a liability in a wet week. Mulch the root zone, water early, and keep air moving underneath.

When does bloom feed start? Within a week of the first pistils. The 90/10 balance shifts demand quickly at the transition — phosphorus and potassium up, nitrogen down. Soil growers top-dress; coco and hydro switch formula immediately.

Tunnel, outdoors or indoors? A tunnel is the best value of the three here. Indoors you own the 8-10 weeks of bloom completely; outdoors the plant gets light no lamp matches and can reach 450–650 g/plant, and pays for it in rain. Flowering: 8-10 weeks. Indoor yield: 350–450 g/m². Outdoor yield: 450–650 g/plant. Plant height: 110–150 cm. Rated easy difficulty.

Flavour, aroma and effect

Oregon Diesel arrives in order. The first draw at 20% THC gives earth and musk, coating rather than sharp. The focused, happy, relaxed character follows in minutes, as weight behind the eyes that works down through the shoulders. By a quarter of an hour it reads as physical stillness rather than sedation — a strong disinclination to stand up. Two to three hours at a sensible dose. Caryophyllene underneath contributes warmth that keeps it anchored.

Terpene breakdown

Primary: Myrcene · Secondary: Caryophyllene · Tertiary: Linalool. This is a combination that turns up repeatedly in cultivars people rate, and it is usually what gets commented on when a jar is opened for the first time after a proper cure. Myrcene anchors it, caryophyllene holds the middle, and linalool sits behind both — the last of those being what separates this from other strains leading on the same terpene.

Who it suits

Who does well with Oregon Diesel? Indoor growers who want to choose their own timeline. Tunnel growers who want to decide when flowering starts rather than letting August decide it. Anyone with the space to veg it properly first. Rated easy, which means a moderate learning curve that rewards attention without needing specialist kit.

Effects

🧠Focused
76% of people reported feeling Focused
😊Happy
65% of people reported feeling Happy
😌Relaxed
58% of people reported feeling Relaxed
😴Sleepy
58% of people reported feeling Sleepy
🤤Hungry
48% of people reported feeling Hungry
🤗Euphoric
40% of people reported feeling Euphoric
🧘Calm
33% of people reported feeling Calm
🌿Stress Relief
20% of people reported feeling Stress Relief
💆Body High
17% of people reported feeling Body High

Best For

✦ Anytime
✦ Depression
✦ Lack of Appetite
✦ Stress

Strain Type

Indica 90%Sativa 10%

Strain Data Sheet

🧬THC20% - 25% (High)
🌿LineageNYC Diesel × Blackberry
🔬TypeFeminised Indica
🌡ClimateCool–temperate / continental
📅HarvestSept – Nov, S. hemisphere (typical)
📏Height110–150 cm
⚖️YieldMedium – High
🏠Yield Indoor350–450 g/m²
🌳Yield Outdoor450–650 g/plant
⏱Flowering Time8-10 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 are responsible for complying with the law where they live.
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Oregon Diesel Feminised
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Oregon 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
F4
Generations
4+
Breeding Programme
Filial Stabilisation (F4) — four-generation selection
Stabilisation Notes — What This Means for Your Grow

A recent-era cross stabilised over four generations of selection. Oregon Diesel grows true-to-type with the indica relaxation profile that defines the cultivar.

Breeding Goal

Cull off-type phenos in Oregon Diesel through filial selection.

Selection Focus

Chosen for trichome coverage, stout structure and consistent flowering time across the pack.

Pollen / Mother Source

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

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