Amnesia Haze cannabis seeds packaging — Royal King Seeds UK
SativaAuto
THC 20%
😊 Beginner Pick
SativaAutoflowerIn Stock

Amnesia Haze Auto

AutoflowerSee Lab Report →

Amnesia Haze Auto cannabis seeds for UK growers. Sativa · 20% THC · focused, energetic. Discreet UK delivery, priced in GBP.

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£10.96
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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 2026-09-06 on 500 seeds.

Germination rate: 97.5% (n=500)
Last QC test date: 2026-09-06
Indoor yield: 396-566 g/m² (avg across 16 verified grower reports)
Outdoor yield: 574-762 g/plant (avg across 3 verified grower reports)

About Amnesia Haze Auto

Cured properly and opened cold, Amnesia Haze leads with pinene: sharp green resin — a conifer hedge cut on a damp morning. Underneath it limonene adds a bright edge that keeps the nose from turning heavy, and it reads mid-palate rather than on the first pass. This 12/88 sativa tests at 20% THC, but potency is the least interesting number here: what separates Amnesia Haze from the others on the same shelf is how the aroma behaves across a cure, and that is a question of storage and patience rather than genetics alone.

Growing it for the nose rather than the scales

Chasing terpene expression in Amnesia Haze pulls against chasing yield, and it is worth knowing which one you are doing before you start. The Pinene/Limonene/Caryophyllene profile does its best work in living soil, where the microbial side produces secondary compounds a bottle cannot. That is easier here than it sounds: decent peat-free compost and worm castings are a garden centre purchase in most British towns.

Through the 50-55 days flowering (75-85 days from sprouting) of bloom, stop foliar spraying after week two — anything landing on developing trichomes is still there at harvest and you will taste it. The final three weeks decide which terpenes dominate the cured flower: nights held at 16-18°C push pinene forward, while a warmer finish protects the lighter caryophyllene notes at the top.

The cure is where most of the flavour is lost in this country, and the reason is the weather. A 10-14 day hang wants 15-18°C at 55-60% relative humidity, which a British autumn will not give you in a spare room — a temperature-controlled cupboard or a wine fridge set to 16°C solves it for the price of one wasted harvest. Then into glass, burped twice a day for the first fortnight. The limonene layer that makes this one worth growing does not appear until somewhere between weeks three and four in the jar.

Flowering: 50-55 days flowering (75-85 days from sprouting). Indoor yield: 350-400 g/m2. Outdoor yield: 130-180 g/plant. Plant height: 50-100 cm. Rated intermediate difficulty.

Flavour, aroma and effect

Amnesia Haze arrives in stages. The first draw at 20% THC brings clean resin, like woodland after rain. The focused, energetic character follows within minutes, arriving as sharpened attention. Colour reads brighter, music reads busier, and conversation wanders further than it would otherwise. It holds for two to three hours on a plateau rather than a spike. The limonene underneath adds a lift that stops it turning heavy.

Terpene breakdown

Primary: Pinene · Secondary: Limonene · Tertiary: Caryophyllene. These three build an aroma that keeps moving through the cure. Fresh off the dry it leads with pinene; after three or four weeks sealed in glass at 16-18°C the caryophyllene underneath comes up and the whole thing gains a layer. Vaporising between 180°C and 195°C catches the widest span of them, since the lighter caryophyllene molecules are the first thing heat destroys.

Who it suits

Who does well with Amnesia Haze? Balcony growers in flats from Brighton to Glasgow. Anyone wanting one quick outdoor crop rather than a long project. Indoor growers short of headroom. The autoflowering genetics run on their own clock, so there is no light schedule to manage, no anxiety about light leaks, and harvest comes 10-12 weeks from germination whatever the season is doing. Difficulty is rated intermediate, which means a moderate learning curve that rewards attention without demanding a laboratory.

Effects

🧠Focused
76% of people reported feeling Focused
🤑Energetic
64% of people reported feeling Energetic
😊Happy
58% of people reported feeling Happy
🤩Creative
56% of people reported feeling Creative
😎Uplifted
45% of people reported feeling Uplifted
🤗Euphoric
40% of people reported feeling Euphoric
🗣️Talkative
30% of people reported feeling Talkative
💪Motivated
31% of people reported feeling Motivated
😆Giggly
24% of people reported feeling Giggly

Strain Type

Indica 12%Sativa 88%

Strain Data Sheet

🧬THC20% - 24% (High)
🌿LineageAutoflowering Sativa-Dominant Hybrid (Undisclosed Lineage)
🔬TypeAutoflower Sativa
🌡ClimateAll climates (adaptable)
📅Harvest≈ 10 – 11 weeks from seed (typical)
📏Height50-100 cm
⚖️YieldMedium – High
🏠Yield Indoor350-400 g/m2
🌳Yield Outdoor130-180 g/plant
⏱Flowering Time50-55 days flowering (75-85 days from sprouting)

Packaging

Resealable +
RK
Royal King Seeds
Autoflowering
Regular
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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Amnesia Haze Auto
royalkingseeds.co.uk
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Amnesia Haze Auto — 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
Generations
5+
Breeding Programme
Autoflower Programme — five-generation auto trait fixing
Stabilisation Notes — What This Means for Your Grow

Amnesia Haze is an autoflowering line that has been progressed through five rounds of Royal King Genetics autoflower stabilisation. The autoflower trait is recessive — fixing it takes multi-generation work — and at F5 the auto trigger and finish window are welded across the pack.

Breeding Goal

Stabilise the recessive ruderalis trait in Amnesia Haze for uniform auto-trigger.

Selection Focus

Chosen for sativa vigour, bud-to-leaf ratio and the distinctive terpene character of the original cut.

Pollen / Mother Source

Royal King Genetics elite-cut archive — pollen from a maintained S1 line of the original elite mother.

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