Super Jack cannabis seeds packaging — Royal King Seeds Ireland
HybridAuto
THC 26%
⚡ High Potency
HybridAutoflowerIn Stock

Super Jack Auto

Super Jack Auto cannabis seeds for Irish growers. Hybrid strain · 26% THC · creative, focused, energetic. Discreet packaging, nationwide delivery, sourced grow figures.

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€11.86EUR
1
🇮🇪Free Irish Delivery
🌱Germination Promise
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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 2026-09-20 on 300 seeds at 21-24°C.

Germination rate: 96.4% (n=300)
Last QC test date: 2026-09-20
Indoor yield: 409-520 g/m² (avg across 13 verified grower reports)
Outdoor yield, Ireland: 417-606 g/plant (avg across 8 verified grower reports)

About Super Jack Auto

Growing Super Jack in Ireland is a question of rain and wind rather than of heat or latitude. The whole island runs temperate oceanic, so nowhere is meaningfully warmer than anywhere else — what changes as you move west is how many wet days land on the plant while it is in flower. Outdoors that makes bud structure and the 55-65 days of bloom the two things worth reading before anything else, because a dense cola and a wet October are a poor combination. Under a tunnel or under lights the argument disappears: Super Jack is then judged on its genetics and on nothing else.

Growing it on this island

The pressures here are consistent and they are nearly all about water. Botrytis in dense flower from September onwards is the first, and it is answered with open structure, moving air and a roof — not with anything sprayed on afterwards. Indoors, spider mite and thrips arrive the way they always do, and humidity above 60% in late bloom is what turns a manageable problem into a lost room. Outdoors in a wet spring the slugs do more damage to seedlings than every insect on the plot, and they do it in a single night.

A polytunnel changes the arithmetic on Super Jack more than any other single purchase. It adds a fortnight at both ends of the season, keeps the rain off the flower during the weeks that matter, and turns a marginal outdoor crop into a reliable one.

Flavour, aroma and effect

Super Jack arrives in order. The first draw at 26% THC gives citrus with a bitter edge that lifts off the palate. The creative, focused, energetic character follows in minutes, as head and body together. Thinking stays clear while the muscles let go by degrees, which is what makes the dose, rather than the genetics, the thing that decides the evening. Caryophyllene underneath contributes warmth that keeps it anchored.

Terpene breakdown

Primary: Limonene · 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. Limonene 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 Super Jack? Back-garden and balcony growers in Dublin, Cork and Galway. Anyone who wants a crop dry and put away before the autumn closes in. Indoor growers short of headroom. The autoflowering genetics run to their own clock, so there is no schedule to manage and no anxiety about light leaks. Rated intermediate, which means a moderate learning curve that rewards attention without needing specialist kit.

Effects

🤩Creative
77% of people reported feeling Creative
🧠Focused
69% of people reported feeling Focused
🤑Energetic
57% of people reported feeling Energetic
😌Relaxed
51% of people reported feeling Relaxed
😊Happy
45% of people reported feeling Happy
🤗Euphoric
40% of people reported feeling Euphoric
😎Uplifted
31% of people reported feeling Uplifted
🤤Hungry
27% of people reported feeling Hungry
😴Sleepy
24% of people reported feeling Sleepy

Best For

✦ Anytime
✦ Relaxation
✦ Stress Relief

Strain Type

Indica 60%Sativa 40%

Strain Data Sheet

🧬THC26% - 30% (Very High)
🌿LineageJack Herer × Super Silver Haze
🔬TypeAutoflower Hybrid
🌡ClimateAll climates (adaptable)
📅Harvest≈ 10 – 11 weeks from seed (typical)
📏HeightMedium
⚖️YieldMedium – High
🏠Yield Indoorup to 450 g/m2
🌳Yield Outdoorup to 550 g/plant
⏱Flowering Time55-65 days

Packaging

Resealable +
RK
Royal King Seeds
Autoflowering
Regular
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.
1
Super Jack Auto
royalkingseeds.ie
IG
FB
X
🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Super Jack Auto — 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
F5
Generations
5+
Breeding Programme
Autoflower Programme — five-generation auto trait fixing
Stabilisation Notes — What This Means for Your Grow

Super Jack is an autoflowering line that has been progressed through five rounds of Royal King Genetics autoflower stabilisation. The autoflower trait is recessive — fixing it takes multi-generation work — and at F5 the auto trigger and finish window are welded across the pack.

Breeding Goal

Lock the autoflower trait in Super Jack through five generations of selection.

Selection Focus

Chosen for vigour, terpene saturation and a tight finish window that allows production planning.

Pollen / Mother Source

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

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