Amnesia Dream XL Auto by Kannabia brings the classic uplifting Amnesia Haze experience into a fast, beginner-friendly autoflower. A cross of Amnesia Auto x Amnesia Haze, it is a sativa-leaning autoflowering plant with a citrus-earthy flavor, a 17-18% THC level, and a clean, energetic effect. It finishes its whole life cycle in around 10-11 weeks from seed and yields well indoors and out, which makes it an easy, rewarding grow.
Because it is an autoflower, it flowers on its own with age instead of waiting for a change in the light cycle. That makes it fast and simple, but it also changes how you light, train, and time the grow, as explained below.
Recommended Strains
Amnesia Dream XL Auto
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THC | 17% - 18% (Medium) |
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Lineage | Amnesia Auto x Amnesia Haze |
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Type | Autoflowering |
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Height | 4.27 ft | 1.3 m |
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Yield | Medium |
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Yield Indoor | 1.15 - 1.31 oz/ft² | 350 - 400 g/m² |
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Yield Outdoor | 7.05 - 10.58 oz/plant | 200 - 300 g/plant |
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Life Cycle | 10 - 11 weeks |
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Phenotype | 30% Indica / 70% Sativa |
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Effects | Energetic |
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Flavors | Citrus, Earthy |
Sativa Dream
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THC | 23% - 24% (High) |
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Lineage | Nebula x Afghan |
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Type | Feminized |
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Height | 3.12 ft | 0.95 m |
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Yield | High |
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Yield Indoor | 1.64 - 1.8 oz/ft² | 500 - 550 g/m² |
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Yield Outdoor | 28.22 oz/plant | 800 g/plant |
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Flowering Time | 8 - 9 weeks |
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Phenotype | 40% Indica / 60% Sativa |
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Effects | Energetic |
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Flavors | Citrus, Sweet |
Amnesia Dream XL Auto Grow Info
| Trait | Amnesia Dream XL Auto (Kannabia) |
| Genetics | Amnesia Auto x Amnesia Haze |
| Seed type | Autoflowering, feminized |
| Genetic profile | 30% indica / 70% sativa |
| THC | 17-18% (medium) |
| Life cycle (seed to harvest) | 10-11 weeks |
| Height | Around 1.3 m |
| Indoor yield | Medium, around 350-400 g/m² |
| Outdoor yield | Around 200-300 g per plant |
| Effects | Energetic |
| Flavor | Citrus, earthy |
These are Kannabia’s published figures for Amnesia Dream XL Auto at Growlantis. When you need an exact THC percentage, height, or yield, check the specification on your own Amnesia Dream XL Auto seed pack.
What Makes Amnesia Dream XL Auto Worth Growing
This strain delivers the beloved Amnesia Haze character without the long wait or the light-cycle management of a photoperiod. Its lineage carries through a bright, citrus-earthy flavor and a clean, energetic high at a comfortable 17-18% THC, ideal for daytime use and social sessions.
For the grower, it is fast and forgiving. The whole cycle runs about 10-11 weeks from seed, it stays a manageable 1.3 m, and it still delivers a medium-to-strong 350-400 g/m² indoors. That combination of a classic sativa effect, easy growing, and solid yield makes it a great pick for beginners and anyone who wants a quick turnaround.
Is Amnesia Dream XL Auto Indica or Sativa?
Amnesia Dream XL Auto is sativa dominant, listed at 70% sativa and 30% indica, from its Amnesia Auto and Amnesia Haze parents.
That heritage gives it an energetic, uplifting, clear-headed effect typical of Amnesia genetics, suited to daytime activity rather than the couch. The plant keeps a manageable height with the lighter, airier structure of a sativa-leaning auto, and the small autoflowering ruderalis influence is what lets it flower on age alone.
Flowering Time vs Full Grow Time
For an autoflower, this works differently than for a photoperiod, and understanding it is the key to timing the grow.
- Full life cycle: around 10-11 weeks from seed to harvest. This is the number that matters most for an auto, since the plant moves through veg and into flower automatically.Ā
- Flowering portion: flowering begins on its own at roughly 3-4 weeks of age, with no change to the light needed, and runs through to the harvest inside that total window.Ā
The practical takeaway: you cannot extend the veg stage to grow a bigger plant the way you can with a photoperiod. What you plant is roughly what you get, so the early weeks matter. Keep seedlings healthy and stress-free, because the plant is on a fixed clock.
Does Amnesia Dream XL Auto Need a 12/12 Light Cycle?
No. This is the key difference from photoperiod strains. As an autoflower, Amnesia Dream XL Auto does not need a 12/12 light cycle to flower. It starts flowering on its own with age, regardless of the light schedule.
Most growers run 18/6 (18 hours on, 6 off) for the entire life cycle, from seed to harvest. Some use 20/4 for a little more light and growth. There is no flip and no separate flowering schedule. Outdoors it flowers on age too, so in a long, sunny season you can fit more than one crop in a year.
Amnesia Dream XL Auto Grow Timeline, Week by Week
With an auto, the timeline is on a fixed clock, so these stages happen on schedule rather than when you decide.
- Weeks 1-2: germination and seedling. The taproot and first true leaves establish. Keep things gentle and stress-free, since the clock is already running.Ā
- Weeks 3-4: vegetative growth. Rapid growth under 18/6. Begin gentle low stress training now if you train at all.Ā
- Weeks 4-5: pre-flower and stretch. The plant starts flowering on its own and stretches.Ā
- Weeks 6-9: flowering. Buds form and fill out, and the citrus-earthy aroma develops.Ā
- Weeks 10-11: ripening and harvest. Judge by trichomes, not just the calendar.Ā

Choosing Your Setup: Space, Light and Pots
Amnesia Dream XL Auto stays a manageable 1.3 m, so it fits most tents and small spaces. Give it strong, consistent light on an 18/6 schedule for the whole cycle to back the yield and potency. A full-spectrum LED at 30-40 watts per square foot is plenty.
The single most important setup choice for an auto is the pot. Plant in the final container from the start, ideally a 3-5 gallon fabric pot, and do not transplant. Autos dislike root disturbance, and because they are on a fixed clock they have no time to recover from transplant stress. Fabric pots also improve airflow and help prevent overwatering.
Germinating and Raising Seedlings
The paper towel method is the simple, reliable start. Soak the seeds for 12-24 hours, then place them between damp paper towels on a covered plate, kept dark and warm at 70-85°F (21-29°C). A taproot usually appears within two to three days.
When the taproot reaches about 1-2 cm, plant it root-down a knuckle deep directly into its final pot and keep the surface moist until the seedling emerges. Hold off on nutrients at this stage. With an auto, a healthy, stress-free start is especially important because the plant is already on its clock. New to growing? Our beginner growing guides cover germination step by step.
The Vegetative Stage and Low Stress Training
Veg is short and automatic with this strain, so the goal is to support fast, healthy growth, not to extend it. Keep it under 18/6 with a light feed and let it build its frame quickly.
Because the plant is on a fixed clock, stick to low stress training (LST) and skip high-stress techniques. Gently tie down the main stem and branches to open the canopy and expose more bud sites to light. Avoid topping and other heavy training, which an autoflower often cannot recover from in time. For the same reason, cloning is not practical with autos, so each plant is a single, seed-to-harvest grow. Train early and gently, during the first few weeks only.
Feeding and Watering Amnesia Dream XL Auto
Autos are light feeders, so go easy. Use a gentle, nitrogen-forward feed at reduced strength through the short veg, then switch to a bloom formula higher in phosphorus and potassium as flowering begins. Start at roughly half the dose you would give a photoperiod and increase only if the plant asks for it. Overfeeding is the most common mistake with autos.
Water by root-zone moisture, not a timetable. Let the top inch or two of medium dry between waterings, then water thoroughly until a little drains. Fabric pots and this water-to-weight habit keep the roots healthy and prevent overwatering, which small-rooted autos are sensitive to.
Flowering and Knowing When to Harvest
Flowering begins on its own at around 3-4 weeks of age. Buds form and fill out through the back half of the cycle, and the bright citrus-earthy Amnesia aroma develops, so keep air moving and run a carbon filter indoors.
Let ripeness, not just the calendar, decide the harvest. Check the trichomes under a loupe and cut when most are cloudy with a few turning amber for the fullest effect. After harvest, hang the branches in the dark at about 60°F (15-16°C) and 55-60% humidity for 7-14 days, then cure in sealed jars, burping daily for the first couple of weeks to protect the citrus flavor.

Growing Indoors vs Outdoors
Indoors, Amnesia Dream XL Auto is easy and fast. Run 18/6 for the whole cycle, keep it in its final fabric pot, and the manageable height and 350-400 g/m² yield make it a strong tent strain with a quick turnaround.
Outdoors, it is a flexible producer, returning around 200-300 g per plant and finishing fast. Because autos flower on age, not on the season, you are not tied to a single planting window, and in a long, warm climate you can run more than one crop per year. Give it full sun, a light airy soil, and protection from constant wet.
How Tall and How Much? Height and Yield
Height is easy to plan for. Amnesia Dream XL Auto reaches around 1.3 m, so it fits comfortably in most tents and does not need the aggressive height control a tall photoperiod would.
On yield it is a medium producer, listed at around 350-400 g/m² indoors and 200-300 g per plant outdoors, which is strong for a fast autoflower. Strong consistent light, gentle LST, the right final pot, and a careful feed are what turn that potential into real weight.
Best US Climates for Amnesia Dream XL Auto
As a fast, flexible autoflower, Amnesia Dream XL Auto suits a wide range of US climates. Its age-based flowering means it is not tied to the season, so growers in cooler or shorter-season states can still get a full outdoor crop, and warm-climate growers in California and the Southwest can run multiple cycles per year.
It thrives indoors anywhere thanks to its manageable size. In humid regions like the Southeast, keep airflow strong around the buds to prevent rot in the warm weeks. For more options, browse our full how-to-grow guide library.
Common Problems When Growing Amnesia Dream XL Auto
A few predictable, auto-specific issues are easy to head off.
Transplant shock
Autos hate root disturbance and have no time to recover on their fixed clock. Plant in the final pot from the start and never transplant.
Overfeeding
Autos are light feeders. Start at about half strength and build up only if needed, watching the leaf tips for nutrient burn.
High-stress training
Topping or heavy defoliation can stunt an auto permanently. Stick to gentle low stress training in the first few weeks.
Harvesting by the calendar alone
The 10-11 week window is a guide. Confirm the finish by reading the trichomes and pistils, since environment shifts the exact timing.
Making the Most of Your Harvest
Do not waste the trim. The resinous sugar leaves make good bubble hash, dry sift, or rosin that keeps the citrus-earthy character. The stems, roots, and fan leaves compost well and feed your next grow.
Is Amnesia Dream XL Auto Right for You?
If you want the classic uplifting Amnesia experience on a fast, easy, beginner-friendly plant, yes. Its quick 10-11 week cycle, manageable size, energetic effect, and solid yield make it a great choice for new growers and anyone wanting a speedy turnaround. If you want to shape a big plant with topping and a long veg, grow a photoperiod instead. Browse our full how-to-grow guide library for more.

Frequently Asked Questions
Is Amnesia Dream XL Auto indica or sativa?
Amnesia Dream XL Auto is sativa dominant, listed at 70% sativa and 30% indica, from its Amnesia Auto and Amnesia Haze parents. The effect is energetic, uplifting, and clear-headed, suited to daytime use. The plant keeps a manageable height with the lighter structure of a sativa-leaning auto, and a small ruderalis influence lets it flower on age alone.
How long does Amnesia Dream XL Auto take to grow?
Amnesia Dream XL Auto completes its whole life cycle in about 10 to 11 weeks from seed to harvest. As an autoflower, it begins flowering on its own at around 3 to 4 weeks of age, with no light-cycle change needed. Confirm the finish by checking trichome maturity rather than relying on the calendar alone.
Does Amnesia Dream XL Auto need a 12/12 light cycle?
No. As an autoflower, it does not need a 12/12 light cycle to flower. It starts flowering on its own with age. Most growers run 18/6 for the entire life cycle, from seed to harvest, and some use 20/4. There is no flip and no separate flowering schedule, which makes it simple to run.
How much does Amnesia Dream XL Auto yield?
Amnesia Dream XL Auto is a medium yielder, producing around 350 to 400 g/m2 indoors and 200 to 300 g per plant outdoors, which is strong for a fast auto. Strong consistent light, gentle low stress training, the correct final pot, and a careful feed are what turn that potential into real weight.
Can you top Amnesia Dream XL Auto?
It is not recommended. As an autoflower on a fixed clock, it often cannot recover from high-stress techniques like topping in time to regrow before flowering. Stick to gentle low stress training in the first few weeks instead, tying down the branches to open the canopy. Cloning is also impractical with autos.
How strong is Amnesia Dream XL Auto?
Amnesia Dream XL Auto is moderate in potency at 17 to 18% THC, listed as medium. The effect is clean and energetic, typical of Amnesia genetics, making it a great daytime and social strain rather than a heavy sedative. Its bright, citrus-earthy flavor and easy growing add to its appeal for newer growers.
What does Amnesia Dream XL Auto taste like?
Amnesia Dream XL Auto has a bright citrus and earthy flavor inherited from its Amnesia Haze side. To protect those terpenes, run a carbon filter in flower, dry slowly at around 60°F with moderate humidity, and cure in sealed jars, burping daily for the first two weeks. A careful cure keeps the citrus notes fresh.


