RK
American Strains Pack cannabis seeds packaging β€” Royal King Seeds the UK
Hybrid
THC 22%
🎨 Creative
HybridFeminizedIn Stock

American Strains Pack

MixedSee Lab Report β†’

Grow American Strains Pack in the UK. Hybrid genetics at 22% THC, known for energizing, happy, creative effects.

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Β£21.96
1
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About American Strains Pack

Here is what American Strains Pack delivers at harvest, with resin production peaking at 22% THC. The picture comes together when you work backwards through the its flowering window. Weight distribution across the its flowering cycle is pleasingly even, with a noticeable surge in the closing two weeks that rewards growers who resist harvesting prematurely. The 40/60 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 β€” early enough to dodge the wet autumn finish in most regions, late enough to capture the full caryophyllene terpene development.

What's Inside the American Strains Pack

The American Strains Pack is an assortment of three separate strains rather than a single cultivar, and every pack splits evenly between them. The 3-seed pack is 1 of each strain, the 6-seed pack is 2 of each, and the 15-seed pack is 5 of each.

  • Blue Dream β€” a California hybrid with sweet berry flavour, full-body relaxation and a gentle cerebral lift. The autoflowering version keeps the grow simple.
  • Green Crack β€” a sharp, energizing sativa with tangy citrus-fruit flavour and an invigorating mental buzz β€” a daytime strain.
  • Alaskan Thunder Fuck β€” a sativa from Alaska’s Matanuska Valley, known for intense euphoria, a piney aroma and heavy resin production.
The specifications listed elsewhere on this page describe the pack as a whole; each strain has its own flowering time, structure and terpene profile.

Maximising Your Harvest

To reach the upper end of this strain's yield potential, focus your efforts on three critical windows during the its flowering 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. Caryophyllene terpene biosynthesis ramps up during this period. Maintain a day/night temperature differential of at least 6-8Β°C to encourage terpene accumulation β€” UK autumn evenings (September-October) naturally provide this swing for outdoor growers. Indoor cultivators should target 25-26Β°C during lights-on and 18-20Β°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 β€” harvest at 10-15% amber for a balanced effect. UK outdoor growers: this window typically falls from late September through mid-October.

Rated intermediate difficulty.

Flavour, Aroma, and Experience

The sensory arc of American Strains Pack unfolds in stages. Initial inhalation at 22% THC brings a warm peppery spice that tingles at the back of the throat. The energizing, happy, creative, uplifted effects emerge within minutes, presenting as a simultaneous head-and-body experience. Mental clarity remains intact whilst the muscles release tension progressively. This dual action makes it adaptable β€” a lighter dose suits afternoon tasks, a heavier dose transitions seamlessly into evening relaxation. The limonene secondary terpene adds a distinct layer: a mood-elevating brightness that counterbalances any heaviness.

Terpene Breakdown

Primary: Caryophyllene Β· Secondary: Limonene Β· Tertiary: Myrcene. This particular terpene trio appears frequently in award-winning cultivars and produces a nose that most UK growers find immediately appealing when jars are first opened after curing. The caryophyllene dominance anchors the aroma, limonene provides mid-range character, and myrcene contributes a subtle background note that distinguishes this strain from others sharing the same primary terpene.

Suitability and Recommendations

Who grows American Strains Pack successfully? Indoor growers seeking full control over their harvest timeline. Outdoor cultivators who want to decide exactly when flowering begins. Anyone with the space and patience to vegetate this plant to its full potential before triggering bloom. Difficulty is rated intermediate, meaning a moderate learning curve that rewards attention without demanding laboratory-grade conditions. Delivered UK-wide in discreet, unbranded packaging with germination guarantee included.

Effects

🌟Energizing
75% of people reported feeling Energizing
😊Happy
65% of people reported feeling Happy
🀩Creative
63% of people reported feeling Creative
😎Uplifted
51% of people reported feeling Uplifted
😌Relaxed
45% of people reported feeling Relaxed
πŸ€—Euphoric
40% of people reported feeling Euphoric
🀀Hungry
34% of people reported feeling Hungry
😴Sleepy
31% of people reported feeling Sleepy
πŸ˜†Giggly
24% of people reported feeling Giggly

Strain Type

Indica 40%Sativa 60%

Strain Data Sheet

🧬THC17% - 24% (High)
🌿LineageBlue Dream Auto + Green Crack + ATF
πŸ”¬TypeMixed (Auto + Photoperiod)
🌑ClimateTemperate, Continental
πŸ“…HarvestSept - October
πŸ“Height3 - 5 ft | 90 - 150 cm
βš–οΈYieldHigh
🏠Yield Indoor1.3 - 1.6 oz/ft² | 350 - 500 g/m²
🌳Yield Outdoor14 - 21 oz/plant | 400 - 600 g/plant
⏱Flowering Time8 - 10 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
American Strains Pack
royalkingseeds.co.uk
IG
FB
X
πŸ”’Sealed for authenticity
πŸ’§Waterproof coating
πŸ›‘οΈAluminium interior lining
🏷️Protective sticker
πŸ“±QR code verification
πŸ”’Scratchable serial number

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American Strains Pack β€” Breeder Information

Royal King Genetics

Bred and stabilised in-house by Royal King Genetics β€” 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
F4 Production Line β€” modern cross stabilisation
Stabilisation Notes β€” What This Means for Your Grow

American Strains Pack has been progressed through four generations of phenotype hunting and selection. Vigour, flavour saturation and finishing time are all locked across the pack β€” every plant performs to the spec sheet.

Breeding Goal

Carry American Strains Pack from F1 cross to F4 production-ready seed stock.

Selection Focus

Chosen for trichome density, bud structure and the hybrid trait balance the cross was engineered for.

Pollen / Mother Source

Royal King Genetics in-house mother stock β€” pollen taken from a sibling male drawn from the same selected pheno population.

Last Batch QC Verified
18 May 2026Β· 99%+ germination