
American Strain Mixpack Feminised
American Strain Mixpack Feminised — premium hybrid cannabis seeds suited to Irish growing conditions. 21% THC with relaxed, happy, euphoric effects. Discreet delivery across Ireland, with sourced grow figures on every strain page.
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 2026-09-07 on 350 seeds at 20-23°C.
About American Strain Mixpack Feminised
Days 1-14, germination and early veg. American Strain Mixpack generally cracks within about two days on damp kitchen paper and is above the medium by day three. The first fortnight came in even, without either racing or stalling. Four solid nodes by day 14 and the spacing that suggests the frame it will build. Keep the humidity near 70% and damping off stops being a concern.
Weeks 3-6, veg. A top at node four and a few ties produced six even leaders and a flat canopy across a 70cm square by the time it was flipped.
Bloom, weeks 1-10. The 35/65 character came through clearly. Caryophyllene was noticeable by week three and kept building; resin was obvious without a loupe from about week five. Indoor yield: 400–500 g/m². Height: 80–120 cm. Tested at 21%. Rated intermediate.
What's Inside the American Strain Mixpack Feminised
The American Strain Mixpack Feminised is an assortment of three separate strains rather than a single cultivar, and every pack splits evenly between them. The 3x5=15 option is 5 seeds of each strain, 3x10=30 is 10 of each, 3x15=45 is 15 of each, and 3x20=60 is 20 of each.
- Blue Dream — a California hybrid with sweet berry flavour, full-body relaxation and a gentle cerebral lift. The autoflowering version keeps the grow simple.
- Green Crack — a sharp, energizing sativa with tangy citrus-fruit flavour and an invigorating mental buzz — a daytime strain.
- Alaskan Thunder Fuck — a sativa from Alaska’s Matanuska Valley, known for intense euphoria, a piney aroma and heavy resin production.
The rest of the run
Weeks 4-6, mid-bloom. Loose clusters from week three closed up into defined colas. Development stayed even across the canopy, which is what the veg training was for: eight comparable colas instead of one dominant top and a set of stragglers.
Ripening, weeks 8-10. Plain water for the last ten days. Caryophyllene was strong enough by then that carbon filtration was not optional in a terraced house. Heads went clear to milky over the final fortnight, amber showing on sugar leaves first, and around 15% amber on the calyxes is a defensible place to stop.
Drying and curing. Hung whole in the dark at 17°C and 58% humidity for twelve days, both held by a dehumidifier because an October room here will hold neither. Stems snapped instead of bending, which is the only test worth trusting. Four weeks in glass after that. The 400–500 g/m² figure held up. Myrcene was far more present after the cure than at harvest — the cure makes flavour, it does not merely preserve it.
Flowering: 8–10 weeks. Indoor yield: 400–500 g/m². Outdoor yield: 400–600 g/plant. Plant height: 80–120 cm. Rated intermediate difficulty. Feminised seeds.
What American Strain Mixpack is like in practice
The catalogue lists relaxed, happy, euphoric, and that matches what growers here report back. At 21% THC this hybrid sits where the balance is the argument for it. Small doses stay functional, larger ones relax properly, and the 35/65 split means the direction is set by the amount rather than fixed by the plant. The Caryophyllene and Myrcene together leave warmth and spice, drying on the exhale.
Suited to most occasions, with the dose doing the steering.
Terpene breakdown
Primary: Caryophyllene · Secondary: Myrcene · Tertiary: Humulene. 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. Caryophyllene anchors it, myrcene holds the middle, and humulene sits behind both — the last of those being what separates this from other strains leading on the same terpene.
Who it suits
American Strain Mixpack suits growers with the fundamentals in place. Understand pH, rough nutrient ratios and a light cycle before committing to it; it asks for competence rather than expertise. Photoperiod genetics leave plant size and harvest date under your control — veg longer for a bigger plant, or flip early when the ceiling is low. A bloom of 8–10 weeks fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.
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Feminised Premium
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American Strain Mixpack Feminised — Breeder Information
Royal King GeneticsBred 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.
American Strain Mixpack carries clone-derived parents from the late-2010s. We backcrossed twice to the dominant parent (BX2) to weld cut-specific traits into seed-stable form. Vigour and trichome production run uniform across the population.
Pin the trichome production that came out of the original American Strain Mixpack cross.
Chosen for terpene profile, vigour, structure and finish-time consistency.
Royal King Genetics in-house breeder room — pollen taken from a generation-tracked sibling-male line.