Jacked-Up cannabis seeds packaging — Royal King Seeds the UK
Hybrid
THC 23%
🎨 Creative
HybridFeminizedIn Stock

Jacked-Up Feminized

Feminized PhotoperiodSee Lab Report →

Jacked-Up Feminized — hybrid cannabis seeds suited to UK growing conditions. 23% THC with euphoric, energetic, calm effects. Fast, discreet UK delivery.

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£12.60
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About Jacked-Up Feminized

Here is what Jacked-Up delivers at harvest, with resin production peaking at 23% THC. The picture comes together when you work backwards through the 60-70 days (~9 weeks) window. Weight distribution across the 60-70 days (~9 weeks) cycle is pleasingly even, with a noticeable surge in the closing two weeks that rewards growers who resist harvesting prematurely. The 50/50 balance means you get both calyx stacking density and respectable trichome spread. For outdoor UK customers, the ideal harvest window lands between late September and mid-October — early enough to dodge the wet autumn finish in most regions, late enough to capture the full myrcene terpene development.

Maximising Your Harvest

To reach the upper end of this strain's yield potential, focus your efforts on three critical windows during the 60-70 days (~9 weeks) period.

Window 1: The first 10 days after flowering begins. Stretch management determines canopy uniformity, which directly impacts light distribution and final yield. Moderate 30-40% stretch is typical. One round of low-stress training on the tallest shoots keeps everything level.

Window 2: Weeks 3-5 of bloom. Myrcene terpene biosynthesis ramps up during this period. Maintain a day/night temperature differential of at least 6-8°C to encourage terpene accumulation — UK autumn evenings (September-October) naturally provide this swing for outdoor growers. Indoor cultivators should target 25-26°C during lights-on and 18-20°C during lights-off. Supplement with potassium-heavy bloom nutrients at EC 1.6-1.8.

Window 3: Final 10-14 days before harvest. Cease all nutrient input and flush with pH-adjusted water. Monitor trichomes daily with a 60x jeweller's loupe — harvest at 10-15% amber for a balanced effect. UK outdoor growers: this window typically falls from late September through mid-October.

Flowering: 60-70 days (~9 weeks). Indoor yield: 500-600 g/m2. Plant height: 75-125 cm. Rated intermediate difficulty.

What to Expect When Using Jacked-Up

UK customers report euphoric, energetic, calm as the defining characteristics, and our experience aligns with that consensus. At 23% THC, this hybrid sits in a potency bracket where versatility is the main advantage. Morning users report functional clarity at lower doses. Evening users report satisfying relaxation at higher doses. The ${indica}/${sativa} balance means the dominant effect direction shifts with consumption amount rather than being locked into a single character. The Myrcene/Limonene terpene combination imparts a flavour that lingers on the palate — earthy and slightly sweet with a fruit-like finish.

Ideal settings: adaptable across occasions — adjust dose to match the energy level your situation calls for.

Terpene Breakdown

Primary: Myrcene · Secondary: Limonene · Tertiary: Pinene. Flavour translation from flower to vapour and smoke differs with this terpene combination. Low-temperature vaporisation (180-188°C) highlights the limonene and pinene notes whilst keeping myrcene as a foundation. Higher temperatures or combustion flatten the profile into a single-note experience — still pleasant, but lacking the complexity that makes this cultivar genuinely interesting to those who appreciate flavour.

Suitability and Recommendations

Jacked-Up suits growers with fundamental skills already established. You should understand pH management, basic nutrient ratios, and light cycle requirements before committing to this cultivar — it will not hold your hand, but it will not punish minor mistakes harshly either. Photoperiod genetics give you complete control over plant size and harvest timing — extend the vegetative phase for larger plants or flip early for a quicker turnaround in compact spaces. The UK growing season (April through October) accommodates the 60-70 days (~9 weeks) bloom period comfortably for outdoor cultivators across the country. Shipped discreetly across the UK with our germination guarantee.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
🤑Energetic
64% of people reported feeling Energetic
🧘Calm
60% of people reported feeling Calm
😌Relaxed
51% of people reported feeling Relaxed
😊Happy
45% of people reported feeling Happy
🤩Creative
43% of people reported feeling Creative
😎Uplifted
31% of people reported feeling Uplifted
🤤Hungry
27% of people reported feeling Hungry
😴Sleepy
24% of people reported feeling Sleepy

Strain Type

Indica 50%Sativa 50%

Strain Data Sheet

🧬THC23% - 28% (High)
🌿LineageJack Herer × Timewreck
🔬TypeFeminized Hybrid
🌡ClimateTemperate, adaptable
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height75-125 cm
⚖️YieldHigh
🏠Yield Indoor500-600 g/m2
🌳Yield Outdoor400 – 600 g/plant (typical)
Flowering Time60-70 days (~9 weeks)

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized 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 UK Commonwealth, state, and territory legislation.
1
Jacked-Up Feminized
royalkingseeds.co.uk
IG
FB
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Jacked-Up Feminized — 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
Royal King Genetics Backcross Line — BX2 modern hybrid stabilisation
Stabilisation Notes — What This Means for Your Grow

Two backcross generations to the recurrent parent have welded Jacked-Up into a stable seed line. The cross-derived structural balance expresses uniformly — no surprise-pheno hunting once the pack pops.

Breeding Goal

Carry a clone-derived late-2010s hybrid through to a stable seed pack.

Selection Focus

Chosen for terpene profile, vigour, structure and finish-time consistency.

Pollen / Mother Source

Royal King Genetics in-house breeder room — pollen taken from a generation-tracked sibling-male line.

Last Batch QC Verified
28 March 2026· 99%+ germination