Amnesia Auto from Seeds66 is our way of putting the classic Amnesia head into a fixed, easy-to-plan autoflower cycle. The line is built on three proven Seeds66 pillars: Jack Herer, Cinderella 99 and a robust Original Skunk #1 Auto. The result is a self-flowering version with a clear sativa lean that is straightforward to run, delivers solid yields and still hits with the kind of punch you expect from an Amnesia line.
Quick facts: Amnesia Auto
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Genetics: Jack Herer × Cinderella 99 × Original Skunk #1 Auto
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Type: feminised, autoflowering Seeds66 line (indica/sativa hybrid)
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Life cycle: about 75–85 days from seed to harvest
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Yield indoor: up to 500–550 g/m²
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Yield outdoor: around 100–150 g per plant
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Height: 70–110 cm indoors, up to around 150 cm outdoors
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THC level: 19–22 %
Origins & Seeds66 selection
Amnesia Auto takes the core character of our feminised Amnesia line and compresses it into an autoflower format. At the heart of the line are selected Jack Herer and Cinderella 99 expressions, combined with a stable Original Skunk #1 Auto that locks in the automatic flowering. The intention was not to create a fragile haze project, but a strain that feels like Amnesia in the head while staying manageable in everyday grows.
Across our internal test runs in California we focused on plants that did three things reliably: build a strong main stem with supporting side branches, move through the cycle without stalling and reach the finish line in roughly 75–85 days. The most convincing phenotypes showed a calm progression – quick start, clean switch into bloom and a late phase where resin and density clearly picked up. Only when this pattern repeated over several runs in terms of timing, yield, resin coverage and aroma did we sign off Amnesia Auto as a dedicated Seeds66 line.
Growth & cultivation
In terms of growth, Amnesia Auto clearly shows where she comes from. The structure leans towards a compact Christmas-tree shape: one dominant main stem, strong side branches and a crown that gradually fills with bud sites. As she moves into mid bloom, internodes begin to tighten and towards the end she often throws on a visible extra layer of resin – scissors and fingers tend to pick that up quickly.
Indoors she is most comfortable under classic 18/6 or 20/4 light cycles. Starting her directly in the final pot, keeping the first weeks steady and letting the root zone breathe usually leads to a smooth, uninterrupted run. The full life cycle sits at about 75–85 days from seed to harvest, which makes it easy to schedule follow-up runs. In a well-balanced room with decent light, stable basic feeding and good air exchange, up to 500–550 g/m² are realistic. Where this strain really shines is in grows where she is allowed to move through her cycle without heavy shocks, the stretch is guided rather than suppressed and the canopy has enough space to stay open instead of being squeezed into a corner.
Seeds66 tip:
Put Amnesia Auto straight into her final container and treat the first two weeks as the deciding phase: calm light schedule, careful watering and no aggressive nutrient spikes. Autoflower sativas react very clearly to early stress – if you keep this window smooth, you usually end up with better height, a fuller canopy and more typical Amnesia-style spears at the end.
Aroma & terpenes
On the nose, Amnesia Auto comes across as bright and clean. There is a woody, resinous base that many growers associate with classic Skunk and Jack Herer influences, overlaid by a clear citrus line. Already in the growroom she develops a noticeable lemony scent, which with maturity turns into a mix of cedar, herbs and fresh citrus.
In taste this continues: the first pull brings sandalwood and spice to the front, backed by subtle diesel notes and a higher citrus edge. On the exhale a dry, slightly woody aftertaste with a touch of sweetness tends to linger. In terms of terpenes, a combination of limonene, caryophyllene and myrcene matches what most people experience here, supported by lighter pine-leaning accents that round off the Amnesia impression.
Effect
As a sativa-leaning autoflower, Amnesia Auto is built for daytime and early evening sessions. Growers often describe the effect as bright, motivating and mood-lifting – something to reach for when you want your head to stay engaged rather than to fade into the background. Music, colours and conversations can feel more vivid, without immediately dropping you into heavy physical tiredness.
The THC range of around 19–22 % should still be taken seriously. After a few pulls, many people notice a clear, active headspace that gradually picks up a light body relaxation over time. For those who are sensitive to stronger sativa profiles or who do not consume often, taking a slow approach usually works better than pushing the limit from the start.
Seeds66 stance
For us, a good autoflower has to offer more than just speed. It should behave in a way that you can read and repeat, and it should show its character in more than one run. Amnesia Auto stays part of the Seeds66 range only as long as she keeps doing that in different rooms: a predictable cycle, a recognisable Amnesia head and results that still feel like the same line when you grow her again.
Or put simply: fast harvests are only interesting if the strain also holds up when you look closely at what it delivers.
Properties of Amnesia Auto
Strain type
indica/sativa hybrid (autoflower)
Line
feminised, autoflowering Seeds66 selection
Genetics
Jack Herer × Cinderella 99 × Original Skunk #1 Auto
Life cycle
about 75–85 days from seed to harvest
Effect
euphoric, uplifting, stimulating with a light body component
Flavour
woody, citrus, resinous with subtle diesel notes
Yield indoor
up to 500–550 g/m²
Yield outdoor
around 100–150 g per plant
Height indoor
around 70–110 cm
Height outdoor
up to about 150 cm in suitable conditions
THC / CBD
19–22 % / about 0.2 %
Climate
temperate to warm regions with a frost-free season and good sun exposure
Seeds66 note
designed for shorter outdoor windows – Amnesia head in a fully timed autoflower cycle.
Frequently asked questions about Amnesia Auto
1. How long does a full cycle with Amnesia Auto take?
In most setups a complete run from seedling to harvest takes around 75–85 days. The first weeks are mainly about roots and structure, then she switches to bloom on her own. Keeping an eye on the trichomes and giving her a few extra days at the end usually pays off in terms of aroma depth and a more rounded Amnesia profile.
2. How tall does Amnesia Auto get indoors?
In typical rooms she ends up at roughly 70–110 cm. Gentle training such as light LST can help widen the canopy without pushing individual branches too far. The key is to have her in the final pot early so she can build height and structure without being slowed down by transplants.
3. Is Amnesia Auto suitable for beginners?
Within the group of sativa-leaning autoflowers she is one of the more accessible options. Growers who have the basics under control – clean water, moderate feeding and a stable spot – usually do well with her. She is more forgiving than many photoperiod sativas, yet still rewards attentive steering with dense, resinous buds and a clearly recognisable Amnesia head.
4. What pot size works best for Amnesia Auto?
Indoors, pots in the 9–11 litre range are a good starting point for most tents; in larger spaces 12–15 litres can also make sense. Outdoors a bit more volume is often helpful, especially in very sunny locations. More important than the exact number is avoiding multiple transplants – putting her into the final pot early tends to give better results.
5. How strong is the smell while growing?
From mid bloom onwards Amnesia Auto develops a clearly noticeable scent: citrus, wood and a light sweetness. Indoors a suitable carbon filter should definitely be part of the plan, especially in densely populated areas. Outside, how much attention she draws depends a lot on wind, nearby buildings and neighbours, but she is clearly not on the “discreet” end of the spectrum.
6. How does Amnesia Auto differ from the feminised Amnesia?
The auto version is built around a fixed life cycle: it flowers on its own, does not need a change in light schedule and fits neatly into shorter season windows. The photoperiod Amnesia gives you more control over the vegetative phase and can reach slightly higher peak yields, but asks for more time and a tighter hand on the environment.
Seeds66 Redaktion
Alle Beschreibungen basieren auf unseren Tests und Dokumentationen in Kalifornien. Wir veröffentlichen nur Sorten, die wir selbst dokumentiert haben. Fokus: Keimfreude, Stabilität und reproduzierbare Ergebnisse für den deutschsprachigen Markt.
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