AK-48 cannabis seeds packaging — Royal King Seeds UK
Hybrid
THC 18%
🎨 Creative
HybridFeminisedIn Stock

AK-48 Feminised

Feminised PhotoperiodSee Lab Report →

AK-48 Feminised cannabis seeds for UK growers. Hybrid · 18% THC · energetic, calm. 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 2026-09-09 on 100 seeds.

Germination rate: 99.1% (n=100)
Last QC test date: 2026-09-09
Indoor yield: 414-562 g/m² (avg across 6 verified grower reports)
Outdoor yield: 636-818 g/plant (avg across 5 verified grower reports)

About AK-48 Feminised

Will AK-48 finish outdoors in Britain? Yes, within the April to October season. The balanced genetics cope with what British weather does from one week to the next, from damp air on the west coast to the drier run of counties in the east. Flowering runs 7-9 weeks (50-63 days), which puts harvest in September or October for most of the country.

What yield is realistic? 500 g/m2 indoors is achievable with competent LED lighting and attention to feeding. Outdoors, 750 g/plant is realistic in 50 litre pots or in prepared ground with full sun — and "full sun" is doing a lot of work in that sentence at these latitudes, so the position you pick in the garden matters more than the pot you buy. At 18% THC with a caryophyllene-forward profile, the return on the effort is sound.

Is it forgiving? Reasonably. Anyone comfortable with pH, a feed schedule and a light timer will get a good result. It will not hold your hand, but it will not punish one missed watering either.

Further questions we get asked about AK-48

Which medium? For flavour, peat-free soil cut with about 30% perlite and amended slowly — fish, blood and bone, rock phosphate, seaweed meal, all of it available at any British garden centre. For weight, coco with fertigation at EC 1.4-1.8 through bloom. This hybrid performs in both; the choice is about what you want out of it.

How does it handle a British summer? Well enough, on hybrid vigour. Keep the root zone under 28°C with mulch or pale pots, and do not transplant into a heatwave. The more common British problem is the opposite one: a cold, wet July that never lets the plant dry out between waterings.

When do I switch to bloom feed? Inside the first week of visible pistils. The 51/49 balance shifts its demand quickly at the transition — phosphorus and potassium up, nitrogen down. Soil growers can top-dress with guano and sulphate of potash; coco and hydro should move to a low-nitrogen bloom formula straight away.

Indoors or outdoors? Both work, for different reasons. Indoors you own the flowering environment completely. Outdoors, across the April to October season, the plant gets a light intensity no domestic LED matches and can reach 750 g/plant — at the price of accepting whatever the autumn does. Flowering: 7-9 weeks (50-63 days). Indoor yield: 500 g/m2. Outdoor yield: 750 g/plant. Plant height: 120 cm. Rated intermediate difficulty.

Flavour, aroma and effect

AK-48 arrives in stages. The first draw at 18% THC brings dry pepper that registers at the back of the throat. The energetic, calm 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. How this profile survives the journey from flower to vapour depends on temperature. Low vaporisation, 180-188°C, keeps the limonene and myrcene audible over the caryophyllene base. Run it hotter, or burn it, and the three collapse into one note — pleasant enough, but none of the complexity that made it worth choosing.

Who it suits

Who does well with AK-48? 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
🧘Calm
67% of people reported feeling Calm
😌Relaxed
58% of people reported feeling Relaxed
😊Happy
51% of people reported feeling Happy
🤩Creative
50% of people reported feeling Creative
🤗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

Strain Type

Indica 51%Sativa 49%

Strain Data Sheet

🧬THC18% - 21% (Medium-High)
🌿LineageBalanced Hybrid (Undisclosed Lineage)
🔬TypeFeminised Hybrid
🌡ClimateTemperate, adaptable
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height120 cm
⚖️YieldMedium – High
🏠Yield Indoor500 g/m2
🌳Yield Outdoor750 g/plant
⏱Flowering Time7-9 weeks (50-63 days)

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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AK-48 Feminised
royalkingseeds.co.uk
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💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
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🔢Scratchable serial number

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AK-48 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
F5 IBL
Generations
5+
Breeding Programme
Royal King Genetics IBL — heritage cultivar restabilisation
Stabilisation Notes — What This Means for Your Grow

A genuine F5 inbred line. AK-48 has been progressed through five filial generations of phenotype selection at Royal King Genetics, working from the original early-2000s legacy reference stock. Population uniformity is the rule rather than the exception.

Breeding Goal

Pin down the original early-2000s legacy terpene profile in modern seed form.

Selection Focus

Chosen for hybrid frame, clean terpene expression and consistent yield across the population.

Pollen / Mother Source

Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.

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