Hyper Critical cannabis seeds packaging — Royal King Seeds Ireland
Indica
THC 18%
🎨 Creative
IndicaFeminisedIn Stock

Hyper Critical Feminised

Order Hyper Critical Feminised seeds online in Ireland. A quality indica cultivar at 18% THC delivering euphoric, creative, calm. Chosen for a short season and a damp finish. Fast shipping and a germination guarantee.

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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 2026-09-09 on 375 seeds at 20-23°C.

Germination rate: 98.2% (n=375)
Last QC test date: 2026-09-09
Indoor yield: 454-580 g/m² (avg across 6 verified grower reports)
Outdoor yield, Ireland: 454-644 g/plant (avg across 9 verified grower reports)

About Hyper Critical Feminised

Hyper Critical carries linalool as its lead note: lavender with sweetness under it, the smell of a garden border in the evening. Myrcene sits beneath it and shows up second, adding weight and body underneath. The plant tests at 18% THC across a 68/32 split, though what decides whether any of this reaches the jar is the cure, not the seed.

Growing it for aroma

Growing Hyper Critical for terpene expression and growing it for weight are not the same project, and it is worth deciding which one you are on. The Linalool/Myrcene/Caryophyllene profile does its best work in living soil, where the biology produces compounds a bottle does not contain. Good peat-free compost and worm castings are available in any garden centre here, which makes that approach far less specialist than it sounds.

Stop foliar spraying after the second week of bloom. Anything that lands on a developing trichome is still there at harvest and is tasted rather than seen. In the last three weeks the night temperature decides which terpenes lead: held at 16-18°C the linalool comes forward, while a warmer finish protects the lighter caryophyllene notes.

Then the cure, which is where Irish growers lose most of what they built. A ten to fourteen day hang wants 17°C and something near 58% humidity, and the ambient air here will not supply either for most of the year — a closed room and a small dehumidifier will. Into glass afterwards, burped twice daily for a fortnight. The myrcene layer arrives somewhere in weeks three and four, not before.

Flowering: 7–9 weeks. Indoor yield: 150–250 g/m². Outdoor yield: 450–650 g/plant. Plant height: 160–200 cm. Rated intermediate difficulty.

What Hyper Critical is like in practice

The catalogue lists euphoric, creative, calm, and that matches what growers here report back. At 18% THC this indica sits where the dose is the whole question. One bowl through a vaporiser at 185°C leaves the head working and the body easy, which is what most people are after on a weeknight. More than that moves it firmly towards sedation. The Linalool and Myrcene together leave a finish that keeps shifting across a session.

Suited to evenings in, recovery after work, and the hour before sleep.

Terpene breakdown

Primary: Linalool · Secondary: Myrcene · Tertiary: Caryophyllene. Temperature decides how much of this profile survives. Low vaporisation at 180-188°C keeps myrcene and caryophyllene audible over the linalool; run it hotter, or burn it, and all three collapse into one note that is pleasant enough and tells you nothing.

Who it suits

Hyper Critical 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 7–9 weeks fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
🤩Creative
70% of people reported feeling Creative
🧘Calm
60% of people reported feeling Calm
😌Relaxed
51% of people reported feeling Relaxed
😴Sleepy
52% of people reported feeling Sleepy
😊Happy
38% of people reported feeling Happy
🤤Hungry
34% of people reported feeling Hungry
🌿Stress Relief
20% of people reported feeling Stress Relief
💆Body High
17% of people reported feeling Body High

Best For

✦ Evening
✦ Relaxation
✦ Sleep Support

Strain Type

Indica 68%Sativa 32%

Strain Data Sheet

🧬THC18% - 21% (Medium-High)
🌿LineageIndica-Dominant Hybrid (Undisclosed Lineage)
🔬TypeFeminised Indica
🌡ClimateCool–temperate / continental
📅HarvestSept – Nov, S. hemisphere (typical)
📏Height160–200 cm
⚖️YieldMedium
🏠Yield Indoor150–250 g/m²
🌳Yield Outdoor450–650 g/plant
⏱Flowering Time7–9 weeks

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 are responsible for complying with the law where they live.
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Hyper Critical Feminised
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🛡️Aluminium interior lining
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Hyper Critical 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
BX2
Generations
3+
Breeding Programme
Backcross Stabilisation (BX2) — modern hybrid fixing
Stabilisation Notes — What This Means for Your Grow

Hyper Critical carries clone-derived parents from the mid-2010s. We backcrossed twice to the dominant parent (BX2) to weld cut-specific traits into seed-stable form. Vigour and resin density run uniform across the population.

Breeding Goal

Stabilise the Hyper Critical cross into a seed-uniform line.

Selection Focus

Chosen for resin output, a low-slung stature and a clean indica terpene fingerprint.

Pollen / Mother Source

Royal King Genetics select-mother programme — pollen drawn from an internally maintained reversed-female line.

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