
Sweet Amnesia Haze
Cannabis seeds
by Sweet Seeds
Sweet Amnesia Haze Feminised Cannabis Seeds
Sweet Amnesia Haze is a fast-flowering sativa-dominant feminised cannabis seed from Sweet Seeds that delivers up to 600g/m² indoors in just 9 weeks of bloom. Bred from two elite Amnesia Haze clones, this strain packs up to 22% THC into dense, compact buds with a lemony-earthy aroma profile. If you want a proper Haze harvest without the typical 12-week wait, this is the one to grow. You can buy Sweet Amnesia Haze seeds in 3-seed packs right here at Azarius.
Why These Seeds Stand Out
This strain flowers in approximately 9 weeks — that is 2-5 weeks faster than most Haze genetics on the market while maintaining up to 22% THC. Sweet Seeds achieved this by crossing two elite specimens of their Amnesia Haze clones, not random phenotypes but proven mother plants selected for speed, resin production, and structural stability.
For context, the original Amnesia Haze typically runs 10-12 weeks, and some phenotypes push even longer. Shaving that time off without sacrificing potency or flavour is genuinely impressive breeding work.
Growth structure is another win. Rather than the lanky, unruly stretch you'd expect from a sativa, this variety grows like a compact Christmas tree with numerous long side branches. That shape works brilliantly in a tent — you get good light penetration without needing aggressive training. Less experienced growers can let her do her thing and still pull a solid harvest. We'd still recommend some light LST or a ScrOG net if you want to maximise that 600g/m² potential, but it's not strictly necessary.
One honest note: she's still a sativa at heart. Expect more vertical stretch in the first two weeks of flower than you'd see from an indica. If headroom is tight in a 120cm tent, flip early or be ready to supercrop. In a standard 180cm+ tent, no issues at all.
Aroma, Flavour and Effect Profile
The dominant terpenes are limonene, myrcene, and caryophyllene, producing a sharp lemon-citrus hit on the inhale with an earthy, slightly sweet undertone that lingers. If you've smelled classic Amnesia Haze in an Amsterdam coffeeshop, this is recognisably the same family — bright, pungent, and unmistakably Haze. The buds are sticky enough to gum up a cheap grinder, so use something with sharp teeth.
At up to 22% THC with minimal CBD, the effect is characteristically sativa — energetic, uplifting, and cerebral. Community reports consistently describe talkative, giggly moods rather than couch-lock. According to Medical News Today, smoking cannabis can provide pain relief and a feeling of calm, though individual responses vary with tolerance and consumption method. The energetic character makes this a morning or daytime strain for most people. According to research published by PMC (NIH), terpenes like limonene and myrcene may interact with cannabinoids, though further evaluation of these compounds in mixture with cannabinoids is needed to fully understand their importance in the overall experience. The EMCDDA notes that cannabis potency and individual tolerance are key factors influencing subjective effects, which is worth keeping in mind at this THC level.
A word on potency: 22% THC is no joke, especially in a sativa that hits quickly. According to community dosage data, starting with one small puff and waiting 10-15 minutes before taking more is sensible practice — particularly if your tolerance is low. The effect builds and lasts, so there's no rush.
| Specification | Detail |
|---|---|
| Seed Bank | Sweet Seeds |
| Seed Type | Feminised (photoperiod) |
| Genetics | Amnesia Haze x Amnesia Haze (elite clones) |
| Dominant Type | Sativa-dominant |
| THC Content | Up to 22% |
| Flowering Time | Approximately 9 weeks |
| Indoor Yield | Up to 600g/m² |
| Outdoor Yield | Up to 650g per plant |
| Plant Structure | Compact Christmas tree shape with long side branches |
| Dominant Terpenes | Limonene, Myrcene, Caryophyllene |
| Seeds per Pack | 3 |
Growing Guide: Indoor and Outdoor
This feminised strain is specifically bred to be forgiving, recovering quickly from minor stress such as overwatering, slightly off pH, or an accidental light leak during veg. That said, she responds beautifully to proper care. Here's how we'd approach it:
- Germinate your seeds using the paper towel method or directly in a jiffy pellet. This variety germinates reliably — expect taproots within 24-72 hours.
- Transplant into your final pot once the seedling has 2-3 sets of true leaves. An 11-litre pot works well for indoor grows; outdoors, go 25 litres or larger for maximum root development.
- Veg for 3-5 weeks under 18/6 lighting. Her natural Christmas tree shape fills out nicely, but if you want to maximise canopy coverage, top once above the 4th or 5th node and let the side branches catch up.
- Flip to 12/12 when plants reach roughly half your desired final height — she'll stretch 50-80% in the first two weeks of flower, typical for a sativa.
- Feed with a balanced bloom nutrient from week 2 of flower. She's not a particularly heavy feeder, but she appreciates consistent calcium and magnesium, especially under LED lighting.
- Watch for dense bud development from week 5 onwards. The compact bud structure means good airflow is critical — keep relative humidity below 50% in late flower to avoid any mould risk in those tight colas.
- Harvest around week 9 of flower when trichomes show mostly milky with a few amber. Flushing for the final 7-10 days brings out the lemony sweetness in the finished product.
- Outdoors in the Northern Hemisphere, expect to harvest in mid to late October. In good conditions with ample sunlight, individual plants can produce up to 650g — a seriously impressive haul for a Haze.
Complete your setup with a carbon filter — at 22% THC, this strain is pungent enough to announce itself through walls. A grow tent with proper ventilation keeps everything contained and your environment dialled in. Pair with a pH meter if you don't already own one; consistent pH is the single easiest way to avoid nutrient lockout. For germination, consider picking up a pack of jiffy pellets alongside your order.
Comparison With Original Amnesia Haze Seeds
The Sweet Seeds version flowers in roughly 9 weeks and yields up to 600g/m², compared to 10-13 weeks and 400-550g/m² for the original. If you're deciding between the two, the comparison is straightforward. The original is a legendary strain — a High Times Cannabis Cup winner that's been a coffeeshop staple for decades. But she's slow, and the structure can be unruly, with tall, stretchy plants that need constant management.
Sweet Seeds' version keeps the core Amnesia character — the lemon-citrus terpene profile, the energetic cerebral effect, the 22% THC ceiling — but packages it in a faster, more manageable plant. Nine weeks of flower versus twelve is a meaningful difference when you're paying for electricity and nutrients. The compact structure also means less wasted space in a tent.
| Trait | Sweet Seeds Version | Original Amnesia Haze (typical) |
|---|---|---|
| Flowering Time | ~9 weeks | 10-13 weeks |
| Indoor Yield | Up to 600g/m² | 400-550g/m² |
| THC | Up to 22% | 20-22% |
| Plant Structure | Compact, Christmas tree | Tall, stretchy |
| Grow Difficulty | Easy-moderate | Moderate-advanced |
The trade-off? Some purists argue the original has a slightly more complex terpene expression — a deeper earthiness underneath the citrus. We'd say the difference is subtle enough that most growers won't notice, and the practical advantages make the Sweet Seeds version the better choice for the vast majority of setups.
Who Should Order These Seeds
This is the best Haze seed for growers who want sativa effects without sativa headaches. If you've been put off by stories of 14-week flowering times, lanky plants that outgrow your tent, and mediocre yields after months of effort — this strain addresses all of those concerns. Three seeds per pack means you're not overcommitting, and the feminised genetics remove the guesswork of sexing.
Experienced growers will appreciate the yield ceiling. Hitting 600g/m² from a 9-week Haze is genuinely competitive with indica-dominant strains that flower in the same timeframe. If you're running a perpetual setup, she slots in without disrupting your rotation.
For newer growers, the forgiving nature and manageable structure make her a solid first sativa. We'd still recommend getting at least one successful grow under your belt with something simpler — a Northern Lights or similar indica — before tackling any Haze. But as Hazes go, this is about as beginner-friendly as it gets. An honest limitation worth mentioning: if you're after deep body relaxation or a sleep aid, this isn't the right pick. The sativa-dominant genetics mean the effect stays firmly in your head. For evening use, consider an indica-dominant variety instead.
Frequently Asked Questions
How long does this strain take to flower?
Approximately 9 weeks from the flip to 12/12 lighting. That's 2-5 weeks faster than most traditional Haze varieties, which typically run 10-13 weeks. Check trichome colour with a loupe around week 8 to dial in your preferred harvest window.
What yield can I expect indoors?
Up to 600g/m² under optimal conditions with proper lighting, nutrition, and training. Realistically, first-time growers of this strain should expect 400-500g/m². Outdoors in good conditions, individual plants can produce up to 650g.
Is this strain suitable for beginners?
Yes — she's one of the easiest Haze strains to grow. The compact Christmas tree structure and vigorous genetics make her forgiving of minor mistakes. We'd still suggest having at least one successful grow behind you before tackling any sativa, but she won't punish you the way a pure landrace Haze would.
Can this strain be used during the day?
The sativa-dominant genetics and up to 22% THC produce a characteristically cerebral, energetic effect. Community reports consistently describe it as uplifting and talkative rather than sedating. Most users find it well-suited to daytime use, though individual responses to THC vary.
What terpenes are dominant?
Limonene, myrcene, and caryophyllene. According to research published by PMC (NIH), these terpenes may interact with cannabinoids, though further study is needed. In terms of flavour, expect a sharp lemon-citrus front with earthy sweetness underneath.
How does this compare to the original Amnesia Haze?
Same core genetics — lemony aroma, energetic effect, up to 22% THC — but Sweet Seeds' version flowers roughly 3 weeks faster and grows in a more compact, manageable shape. Indoor yields are also higher at up to 600g/m² versus the original's typical 400-550g/m².
What are common side effects of high-THC sativa strains?
Dry mouth and dry eyes are the most frequently reported effects. According to Medical News Today, cannabis can also cause anxiety at higher doses. Starting with a small amount and waiting before consuming more is the standard harm-reduction approach for strains at this potency level.
Last updated: April 2026
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Medical disclaimer. This content is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before use of any substance.











