Amnesia cannabis seeds packaging — Royal King Seeds the UK
Sativa
THC 20%
🌙 Sleep Aid
SativaFeminizedIn Stock

Amnesia Feminized

Feminized PhotoperiodSee Lab Report →

Amnesia Feminized seeds. A sativa cultivar at 20% THC delivering creative, sleepy, focused. Grow figures from named sources.

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About Amnesia Feminized

Open a jar of properly cured Amnesia and the first impression is unmistakably terpinolene — a complex herbal bouquet — part fresh rosemary, part ripe apple, with a floral note that shifts as you inhale deeper. Beneath this primary note, limonene introduces a bright citrus lift that emerges mid-palate. This 16/84 sativa tests at 20% THC, but the sensory journey is what distinguishes Amnesia from other cultivars at comparable potency. Think of it like comparing a single-origin wine to a blended table variety — the numbers might overlap, but the experience diverges sharply.

Developing the Full Flavour Profile

Growing Amnesia for maximum terpene expression requires deliberate choices that differ from growing purely for yield. The Terpinolene/Limonene/Ocimene profile responds particularly well to organic living soil — the microbial activity in a well-established no-till bed creates secondary metabolites that synthetic nutrients simply cannot replicate. UK growers have access to excellent local compost and worm casting suppliers that make this approach practical.

During the 10 weeks period, avoid foliar sprays after week 2 — anything deposited on developing trichomes compromises the aromatic purity at harvest. Temperature manipulation in the final three weeks profoundly influences which terpenes dominate the cured flower: cooler night temperatures (16-18°C) amplify terpinolene expression, whilst warmer finishes preserve the lighter ocimene top notes.

The cure is where most UK growers leave flavour on the table. After a 10-14 day hang dry at 15-18°C and 55-60% relative humidity (a challenge in a damp British autumn — a climate-controlled room or wine fridge set to 16°C works brilliantly), transfer to glass jars and burp twice daily for the first fortnight. The limonene secondary notes that make this strain genuinely special only emerge after 21-28 days of jar curing. Patience transforms a good flower into a remarkable one.

Flowering: 10 weeks. Indoor yield: 500 g/m2. Rated intermediate difficulty.

What to Expect When Using Amnesia

UK customers report creative, sleepy, focused, energetic as the defining characteristics, and our experience aligns with that consensus. At 20% THC, this sativa sits in a potency bracket where most users find a productive sweet spot. Vaporised at 175-185°C, the initial effect is a noticeable uplift in mood and mental energy that pairs well with creative projects, long walks, or an afternoon with friends. The body remains light and mobile throughout, making this a genuine daytime option for those with THC tolerance. The Terpinolene/Limonene terpene combination imparts a flavour that lingers on the palate — complex and shifting, revealing new notes across the session.

Ideal settings: creative pursuits, social gatherings, outdoor adventures, and daytime leisure.

Terpene Breakdown

Primary: Terpinolene · Secondary: Limonene · Tertiary: Ocimene. Flavour translation from flower to vapour and smoke differs with this terpene combination. Low-temperature vaporisation (180-188°C) highlights the limonene and ocimene notes whilst keeping terpinolene 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

Amnesia 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 10 weeks bloom period comfortably for outdoor cultivators across the country. Shipped discreetly across the UK with our germination guarantee.

Effects

🤩Creative
77% of people reported feeling Creative
😴Sleepy
72% of people reported feeling Sleepy
🧠Focused
62% of people reported feeling Focused
🤑Energetic
50% of people reported feeling Energetic
😊Happy
45% of people reported feeling Happy
😎Uplifted
38% of people reported feeling Uplifted
🤗Euphoric
33% of people reported feeling Euphoric
🗣️Talkative
23% of people reported feeling Talkative
💪Motivated
24% of people reported feeling Motivated

Strain Type

Indica 16%Sativa 84%

Strain Data Sheet

🧬THC20% - 23% (High)
🌿LineageSativa-Dominant Hybrid (Undisclosed Lineage)
🔬TypeFeminized Sativa
🌡ClimateWarm / Mediterranean, long season
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height120 – 200 cm (typical)
⚖️YieldMedium – High
🏠Yield Indoor500 g/m2
🌳Yield Outdoor400 – 600 g/plant (typical)
Flowering Time10 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.
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Amnesia Feminized
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🛡️Aluminium interior lining
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Amnesia 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
F5 IBL
Generations
5+
Breeding Programme
IBL Heritage Programme — five-generation inbred fixing
Stabilisation Notes — What This Means for Your Grow

Five generations of inbred selection on the original 1990s landrace-derived Amnesia cuts. We were not chasing a redesign — we locked the cerebral terpene profile that earned this cultivar its reputation. Whatever the next pack throws is what the last pack threw.

Breeding Goal

Bring the original Amnesia reference profile back to true-to-type seed stock.

Selection Focus

Chosen for trichome density, sativa branching architecture and an energising terpene expression.

Pollen / Mother Source

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

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