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

Sour Amnesia Auto

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Sour Amnesia Auto — premium sativa cannabis seeds suited to Australian growing conditions. 20% THC with euphoric, relaxed, uplifted effects. Discreet delivery across Australia. Germination guaranteed.

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$13.49AUD
1
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Royal King Genetics — first-party test batch

Figures below are from our internal seed-lot QC and verified Australian grower submissions, not breeder marketing. Determined from a single batch tested 2026-04-23 on 300 seeds.

Germination rate: 99.0% (n=300)
Last QC test date: 2026-04-23
Indoor yield: 401-516 g/m² (avg across 17 verified grower reports)
Outdoor yield: 579-792 g/plant (avg across 8 verified grower reports)

About Sour Amnesia Auto

Can I grow Sour Amnesia outdoors in Australia? Absolutely. This 20/80 sativa is well-suited to the Australian outdoor season running October through April. Expect taller plants that appreciate the long summer daylight hours — give it room to stretch and you will be rewarded with impressive cola development. Flowering takes 8-10 weeks, placing your harvest window squarely in March or April for most Australian latitudes.

What kind of yield should I realistically expect? Indoor growers pulling 300-400g/m² is achievable with decent LED lighting and attentive feeding. Outdoors, 600-800g/plant per plant is realistic in 50+ litre pots or directly in prepared garden soil with full sun exposure. At 20% THC and a limonene-forward terpene profile, the quality-to-effort ratio makes Sour Amnesia genuinely worthwhile.

Is this strain forgiving for newer growers? Reasonably so. A grower with basic knowledge of pH, feeding schedules, and light cycles will manage fine. It is not the most forgiving plant if you neglect it entirely, but it will not collapse at the first missed watering either.

More Questions Australian Growers Ask About Sour Amnesia

What growing medium works best for this strain? For maximum flavour complexity, organic soil blended with 30% perlite and enriched with slow-release amendments (blood and bone, rock phosphate, kelp meal — all readily available at Bunnings or your local hydro shop). For maximum yield, coco coir with automated fertigation at EC 1.4-1.8 during bloom. Both approaches produce excellent results with this sativa genetics.

How does it handle Australian summer heat? Better than most. The open canopy structure allows heat to dissipate naturally. In extreme heat (38°C+), midday wilting may occur but recovery is swift once temperatures drop. Shade cloth at 30% reduces UV intensity without significantly impacting growth.

When should I start feeding bloom nutrients? Within the first week of visible pistil formation. This cultivar's 20/80 genetics shifts its nutritional demand rapidly at the transition. Phosphorus and potassium uptake increases noticeably, whilst nitrogen demand drops. An organic top-dress of bat guano and sulphate of potash works well for soil growers; hydro and coco growers should switch to a bloom-ratio formula (low N, high PK) immediately.

Indoor or outdoor — which is better for this strain? Both work. Indoor gives you control over the 8-10 weeks flowering environment. Outdoor in the Australian growing season (October-April) lets the plant reach its full 600-800g/plant potential with natural sunlight intensity that even expensive LEDs struggle to match. Height: Medium (90-120cm). Difficulty: intermediate.

What to Expect When Using Sour Amnesia

Australian users report euphoric, relaxed, uplifted 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, bushwalks, or social barbecues. The body remains light and mobile throughout, making this a genuine daytime option for those with THC tolerance. The Limonene/Terpinolene terpene combination imparts a flavour that lingers on the palate — zesty and bright with a clean, refreshing aftertaste.

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

Terpene Breakdown

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

Sour 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. Autoflowering genetics eliminate the need for light cycle manipulation, making this ideal for Australian balcony growers, guerrilla setups, and anyone wanting a fast turnaround from seed to harvest. The Australian growing season (October through April) accommodates the 8-10 weeks bloom period comfortably for outdoor cultivators in all states. Shipped discreetly throughout Australia with our germination guarantee.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
😌Relaxed
65% of people reported feeling Relaxed
😎Uplifted
58% of people reported feeling Uplifted
😊Happy
51% of people reported feeling Happy
🤑Energetic
44% of people reported feeling Energetic
🤩Creative
43% of people reported feeling Creative
🧠Focused
35% of people reported feeling Focused
🗣️Talkative
23% of people reported feeling Talkative
💪Motivated
24% of people reported feeling Motivated

Best For

Anytime
Depression
Pain
Stress

Strain Type

Indica 20%Sativa 80%

Strain Data Sheet

🧬THC20% - 25% (High)
🌿LineageAmnesia Haze × Thai Landrace
🔬TypeAutoflower Sativa
🌡ClimateAll Climates (Adaptable)
📅Harvest10 - 12 weeks from seed
📏Height62 - 104 cm
⚖️YieldMedium - High
🏠Yield Indoor342 - 534 g/m²
🌳Yield Outdoor112 - 304 g/plant
Flowering Time10 - 12 weeks (seed to harvest)

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 Australian Commonwealth, state, and territory legislation.
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Sour Amnesia Auto
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Sour Amnesia 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 Stabilisation (F5) — ruderalis trait fixing
Stabilisation Notes — What This Means for Your Grow

Five generations of Royal King Genetics autoflower stabilisation on Sour Amnesia. Auto trigger time, finish window and high-energy terpene expression all run uniform — no photo-hybrid surprises in the pack.

Breeding Goal

Reach auto trigger and finish-window uniformity for the Sour Amnesia pack.

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 in-house breeder room — pollen taken from a generation-tracked sibling-male line.

Last Batch QC Verified
1 December 2025· 99%+ germination
RK

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