Amnesia Haze Feminized Seeds
From Original price was: $80.00.$75.00Current price is: $75.00.
🍋✨ Amnesia Haze seeds have won more major cannabis awards than almost any strain in history. Famous for its soaring cerebral high, bright lemon-spice terpene profile, and 21–25% THC, this Dutch legend has been turning heads in Amsterdam coffeeshops for decades. One puff and you’ll understand why.
Every order ships with bonus seeds. One free seed per five purchased — added automatically, no catch. Contact us for bulk order pricing.
Germination Guarantee
Every batch is tested for quality and backed by our germination guarantee.
Fast, Local Shipping
Tracked Australia Post. Express or Standard. Plain, discreet packaging.
4.9⭐ ProductReview Rating
Independent Australian review platform. Read verified customer experiences.
Amnesia Haze Feminized Seeds
From Original price was: $80.00.$75.00Current price is: $75.00.
🍋✨ Amnesia Haze seeds have won more major cannabis awards than almost any strain in history. Famous for its soaring cerebral high, bright lemon-spice terpene profile, and 21–25% THC, this Dutch legend has been turning heads in Amsterdam coffeeshops for decades. One puff and you’ll understand why.
Every order ships with bonus seeds. One free seed per five purchased — added automatically, no catch. Contact us for bulk order pricing.
Germination Guarantee
Every batch is tested for quality and backed by our germination guarantee.
Fast, Local Shipping
Tracked Australia Post. Express or Standard. Plain, discreet packaging.
4.9⭐ ProductReview Rating
Independent Australian review platform. Read verified customer experiences.
🍋 Amnesia Haze Seeds: Amsterdam's Most Awarded Sativa
Amnesia Haze seeds carry the Soma Seeds genetics that made this one of the most awarded sativas in Cannabis Cup history: a soaring, sustained cerebral high, an unmistakable lemon-spice aroma, and serious yields for a sativa, up to 650 g/m² indoors and 700 g per plant outdoors, in feminised photoperiod format.
Born from Amsterdam's golden era of breeding in the 1990s, Amnesia Haze blends three genetic pools: ancient Southeast Asian landraces, classic Jamaican Haze, and an Afghani-Hawaiian cross for stability and resin. The result is a sativa with genuine potency, a haze with real yield, and a cerebral strain that still produces dense, resin-heavy flowers. It is also co-founder Jess's all-time favourite, the strain she first tried at a coffee shop in Amsterdam in the late 1990s, and the one she has used as a benchmark for a daytime sativa ever since.
The name is half warning, half promise. Amnesia Haze is cerebral enough that the joke became its identity, but the reputation held because the quality did. For the full origin story, the genetics, and the effect profile in depth, see our Amnesia Haze strain review.
What Amnesia Haze seeds do well:
- Award-winning sativa genetics: multiple Cannabis Cup wins across three decades on a strain that still defines the haze category
- A strong Australian climate match: warm, sunny, dry conditions across QLD, NSW, SA, and WA suit the Mediterranean and tropical heritage, and outdoor plants thrive
- Serious yield for a sativa: up to 650 g/m² indoor and 700 g per plant outdoor, numbers that compete with indica-dominant strains
- An unmistakable lemon-spice profile: the limonene-dominant aroma is genuinely distinctive, and experienced growers seek it out specifically
- A genuinely different experience: a powerful, sustained, clear-headed cerebral high in a market saturated with heavy indicas
Amnesia Haze Lineage
🌿 Amnesia Haze Seeds Effects and Experience
Onset (5–10 minutes): fast for a sativa. Euphoria builds quickly behind the eyes and spreads across the face, the classic smile-for-no-reason onset. Mental clarity sharpens rather than fogs, energy rises without jitteriness, and it is immediately sociable and uplifting.
Peak (20–60 minutes): full cerebral euphoria. Creativity flows, conversation comes easily, and thoughts move quickly and clearly. The 80% sativa genetics are obvious here, with a subtle physical ease underneath that prevents overstimulation without dulling the experience.
Duration: 3 to 4 hours for most, longer than many strains. The sativa genetics sustain the effect well, so experienced users may feel it fade around 3 hours while newer users should expect 4-plus. This is not a quick smoke.
Best suited to: creative work and artistic projects, social gatherings and conversation, daytime mood, exercise and active pursuits, and any situation that benefits from sustained mental energy. It is not a wind-down or sleep strain.
Potency note: at 21 to 25% THC with an 80% sativa profile, this hits hard and hits the head first. Experienced users will appreciate the potency, while newer users should start with one to two draws and wait, since the onset is fast but the full effect takes 15 to 20 minutes to develop. Respect the haze.
Flavour: zesty lemon leads, bright and sharp and immediately recognisable. Spice notes follow for complexity and warmth, with earthy undertones grounding the profile without muddying the citrus. Smooth smoke that carries flavour through the whole session, and the limonene-dominant profile makes every exhale as enjoyable as the first.
🍋 Terpene Profile
The aroma is one of Amnesia Haze's most celebrated traits, a bright lemon-and-spice that builds from mid-flower and intensifies through harvest:
- Limonene (dominant): the citrus brightness that delivers the signature lemon aroma and the uplifting character
- Caryophyllene: a peppery spice that adds depth and warmth, and the one terpene that binds directly to CB2 receptors
- Myrcene: an earthy base that grounds the profile and softens the otherwise pure-sativa edge
For how these compounds shape flavour and effect, see our cannabis terpenes guide.
🌱 Growing Amnesia Haze Seeds in Australia
(Strictly for ACT residents with a licence or those overseas where cultivation is legal.)
Experience level: intermediate. Amnesia Haze is not difficult so much as demanding of patience and planning. The 12 to 14 week flower is the longest in the catalogue, the sativa stretch needs height management indoors, and the temptation to harvest early has to be resisted. Growers with one or two runs behind them handle it well. Australia's climate is arguably better suited to this strain than most of Europe. Our cannabis seedling care guide covers getting a plant established well.
Structure and height: classic sativa architecture, long internodes, vigorous upward growth, and 50 to 80% stretch after the flip. Untrained indoor plants can reach 150 to 180 cm. Top at the 4th to 5th node and run SCROG or heavy LST early. The long flower means training pays off significantly: a well-managed SCROG fills the net naturally and the light penetration through those long internodes lifts yield by 30 to 40% over an untrained plant. Flip at 50 to 60 cm if ceiling space is limited.
Feeding: a moderate feeder that is sensitive to nitrogen excess and shows it quickly. Keep feeding consistent across the long flower, watch calcium and magnesium in mid-to-late flower as bud and resin development peak, and avoid heavy nitrogen in flower. The EC table below sets the targets.
Harvest, do not rush it: the single most common mistake with Amnesia Haze is harvesting too early. The buds look done at week 10, but they are not. The final two to three weeks are where potency, resin, and the lemon-spice profile finish. Check trichomes, not the calendar, and when you think it is ready, give it another week. Our amber trichomes guide covers reading them.
Airflow and humidity: the dense colas that develop late in flower are mould-prone, so keep strong airflow and humidity below 45% from week 8 onward. A slow dry then protects the volatile citrus terpenes, the drying and curing guide covers the process.
🏠 Indoor Growing
- Flowering: 12 to 14 weeks from the flip. Resist harvesting early, the final 2 to 3 weeks are where it finishes
- Yield: 550 to 650 g/m² under quality lighting, with SCROG setups hitting the upper range
- Height management: critical. Flip at 50 to 60 cm for limited ceilings, since untrained plants exceed 180 cm. SCROG or heavy LST strongly recommended
- Climate: warm and stable, 22 to 26 °C, with strong airflow and humidity below 45% from week 8 to protect the dense late-flower buds
- Late flower: reduce nitrogen from week 8, raise P and K, and expect heavy resin in the final 3 weeks. Trichomes develop late, so wait for them
🌿 Outdoor Growing (Australia)
- Harvest: late April to early May, earlier in Queensland, later in Victoria and Tasmania
- Yield: up to 700 g per plant in optimal conditions. In-ground plants from October with full sun regularly exceed 600 g, while Victoria and SA land closer to 350 to 500 g due to the shorter, cooler season
- Planting: late October to early November for maximum veg. The long flower means plants start flowering in January to February and finish late April to May, well within the season
- Structure: medium to large with open sativa branching and long colas, so stake the main branches from week 6 of flower
- Best regions: QLD, NSW, SA, and WA all give outstanding results, since the warm, sunny, dry conditions suit the Mediterranean and tropical heritage. Our Australian climate strain guide covers regional fit
- Site: full sun, 8-plus hours, with coastal growers managing humidity through the late flower
🧪 Amnesia Haze Seeds EC and Feeding Guide: Soil and Coco
Amnesia Haze is a moderate feeder that is sensitive to nitrogen excess, so build EC conservatively and keep nitrogen in check through the back half of a long flower. Calcium and magnesium matter in mid-to-late flower as the heavy resin and bud development peak. The long flowering window means consistency over the whole run is what protects the lemon-spice terpene profile.
All EC values assume quality base nutrients. Australian tap water typically runs 0.2 to 0.5 EC, so factor that into your target and measure after mixing.
📊 EC and pH Target Table: Soil vs Coco
| Phase | Soil EC | Coco EC | Soil pH | Coco pH | Notes |
|---|---|---|---|---|---|
| Seedling Weeks 1–2 |
0.4–0.6 | 0.5–0.8 | 6.2–6.5 | 5.8–6.0 | Plain water in week 1. Start gentle. |
| Early veg Weeks 3–4 |
0.8–1.2 | 1.0–1.4 | 6.0–6.5 | 5.8–6.2 | Moderate nitrogen. Build on response. Vigorous sativa growth begins. |
| Late veg Weeks 5–6+ |
1.2–1.6 | 1.4–1.8 | 6.0–6.5 | 5.8–6.2 | Fill the SCROG to 60 to 70%, then flip. Train hard before the stretch. |
| Early flower Flower weeks 1–4 |
1.2–1.6 | 1.4–1.8 | 6.0–6.5 | 5.8–6.2 | Manage the 50 to 80% stretch. Transition to bloom, reduce nitrogen, raise P and K. |
| Peak flower Flower weeks 5–9 |
1.4–1.8 | 1.6–2.0 | 6.0–6.5 | 5.8–6.2 | High P and K. Watch Ca and Mg as resin peaks. Back off nitrogen from week 8. Airflow critical. |
| Late flower Flower weeks 10–14 |
1.0–1.4 | 1.2–1.6 | 6.0–6.5 | 5.8–6.2 | Taper EC down. The strain finishes late, so hold conditions steady and wait for the trichomes. |
| Flush Final 10–14 days |
0.0–0.4 | 0.0–0.5 | 6.2 | 5.8–6.0 | Plain pH water. The lemon-spice profile is noticeably cleaner after a proper flush. |
💡 Feeding Key Principles
- Go easy on nitrogen: Amnesia Haze shows nitrogen excess fast, so keep it moderate and pull it down firmly from week 8 of flower
- Watch Ca and Mg in mid-to-late flower: the heavy resin and bud development draw on them as they peak
- Consistency over a long run: a 12 to 14 week flower rewards steady feeding and environment more than big swings
- Harvest late, dry slow: wait for the trichomes, then a 10 to 14 day dry and a proper cure to hold the citrus terpenes
🗓️ Amnesia Haze Seeds Week-by-Week Grow Timeline
| Phase | What's Happening | Key Actions | Watch Out For |
|---|---|---|---|
| Veg Weeks 1–5+ |
Vigorous sativa growth, long internodes, open branching. Plenty of vertical reach | 18/6. Top at node 4 to 5. Start SCROG or LST early. Build EC slowly | Under-training. The stretch is severe, so the structure must be shaped before the flip |
| Early flower Flower weeks 1–4 |
The big stretch, 50 to 80% height gain. Bud sites establishing across the canopy | Transition to bloom, reduce nitrogen. Raise lights and tuck branches. EC 1.2 to 1.6 | Running out of headroom. Flip at 50 to 60 cm for limited ceilings, fold and tie rather than cut |
| Mid flower Flower weeks 5–9 |
Stretch done, colas forming. The lemon-spice aroma building distinctly. Resin increasing | Peak EC 1.4 to 1.8. Watch Ca and Mg. Back off nitrogen from week 8. Carbon filter running | Nitrogen excess, which shows fast on this strain and dulls the terpenes |
| Late flower Flower weeks 10–13 |
Buds fattening and frosting. Citrus aroma at full intensity. Trichomes still developing | Drop RH below 45%. Keep conditions steady. Check trichomes from week 11, do not rush | Bud rot in dense colas. Strong airflow and low humidity are essential this late |
| Finish Flower weeks 13–14 |
The final ripening that defines Amnesia Haze. Potency and flavour peak here, not at week 10 | Begin flush. Harvest on trichome read, typically week 13 to 14. Slow dry at 15 to 18 °C, 55 to 60% RH | Harvesting early, the single most common and costly mistake. Give it the extra week |
| Cure | The lemon-spice complexity develops and sharpens in the jar over several weeks | Jar at 60 to 65% RH, burp daily for 2 weeks. 3 weeks minimum, 4 to 6 better | A fast, hot dry. The volatile citrus terpenes are the first thing lost |
🧠 Jason's Tip: Growing Amnesia Haze
The number one mistake with Amnesia Haze is harvesting too early. I get it, 12 to 14 weeks is a long time to wait, especially when the buds look done at week 10. They are not. This strain finishes late and develops its best potency, resin, and flavour in those final weeks. Check trichomes, not the calendar, and when you think it is ready, give it another week.
Indoors, get your training sorted in veg and do not rush the flip. Amnesia Haze responds exceptionally well to SCROG, the open sativa structure fills a net naturally and the light penetration through those long internodes means every bud site gets proper exposure. A well-managed SCROG will outperform an untrained plant by 30 to 40% on yield.
Outdoors, this strain is genuinely special in Australian conditions. The warm summers, bright sun, and dry autumn in most of the country suit its Mediterranean and tropical genetics perfectly. Plant early in late October, give it room, and let the Australian summer do the work. The harvest in late April makes the wait worthwhile.
⚖️ Amnesia Haze Feminised Seeds vs Auto Amnesia Haze: Which Format Suits You
| Feature | Amnesia Haze Photo (this page) |
Auto Amnesia Haze |
|---|---|---|
| Type | Photoperiod | Autoflower (ruderalis cross) |
| Timeline | 12–14 weeks flower plus veg | Faster, fixed seed-to-harvest |
| Indoor yield | Up to 650 g/m² | Moderate |
| Height | Medium to tall, needs training | Compact |
| Light schedule | 18/6 veg, 12/12 flower | Any, no flip required |
| Effect & flavour | Full lemon-spice sativa expression | Same character, slightly lighter |
| Best for | Maximum yield and full expression | A faster, simpler, compact grow |
Choose Amnesia Haze feminised seeds for maximum yield and the full lemon-spice sativa expression. Choose the Auto Amnesia Haze for a faster, fixed timeline and a compact plant without managing a light flip.
🎯 Is Amnesia Haze Feminised Right for Your Grow?
✅ Amnesia Haze Feminised is the right choice if:
- You want a powerful, sustained, clear-headed cerebral sativa for daytime
- The lemon-spice flavour and the Cup pedigree are what you are after
- You are growing outdoors in QLD, NSW, SA, or WA where the warm, dry season suits it
- You have the patience for a 12 to 14 week flower and can manage the height indoors
- You want serious yield from a sativa, up to 650 g/m² or 700 g per plant
❌ Consider the alternatives if:
- You want a faster harvest, where the Auto Amnesia Haze trades some yield for speed
- Your indoor ceiling is tight without a SCROG, since the stretch will be a problem
- You want a heavy, sedating indica, which this is not, a calmer sativa like Blue Dream may suit better
- This is your very first grow, since the long flower and height management reward a run or two of experience first
- You are growing outdoors in cold southern regions where a long-flowering haze struggles to finish
Still comparing options? Our full strain lineup guide covers the range, or browse the sativa-dominant range, the high-THC range, or the complete cannabis seeds catalogue. For another iconic sativa, see Jack Herer.
🌟 Amnesia Haze Customer Experiences
Paraphrased from verified customer reviews and grower communications.
⭐⭐⭐⭐⭐ "A great strain, the smell is a burst of lemons the moment you open the jar. Easy to smoke with no coughing, and a mellow, uplifting cerebral high that leaves you smiling for hours. Everything a sativa should be.", Verified customer (paraphrased)
⭐⭐⭐⭐⭐ "The high lasts 3 to 4 hours and gave me tons of energy and creative drive. Got more done in an afternoon than I usually manage in a day. One of my favourite daytime strains for creative work.", Verified customer (paraphrased)
⭐⭐⭐⭐⭐ "Yes it takes longer than other strains, but it is absolutely worth the patience. Dense, frosty buds that smell incredible and yielded more than I expected. The lemon aroma in the tent during late flower is something else.", Verified customer (paraphrased)
❓ Frequently Asked Questions: Amnesia Haze Seeds
Why is it called Amnesia Haze?
The name comes from the effect. Amnesia Haze is cerebral enough that people would lose their train of thought mid-sentence, not in a foggy way but in a euphoric rush of mental activity. It became a joke, then the strain's permanent identity, and the "Haze" half references its classic haze genetics. For the full origin story, see our Amnesia Haze strain review.
How many Cannabis Cups has Amnesia Haze won?
Multiple High Times Cannabis Cup awards, including first prize in the sativa category, which makes it one of the most awarded sativas in the competition's history. The wins came down to the quality of the flower, the distinctiveness of the lemon-spice flavour, and the uniqueness of the effect, and three decades on the reputation holds.
Is the 12 to 14 week flowering time worth it?
Growers who commit to the full window consistently say yes. The extended flower is why Amnesia Haze develops the terpene complexity, potency, and flavour depth that shorter strains cannot match. Harvesting at week 10 or 11 gives you an unfinished version, while week 13 to 14 gives you the real thing. If the wait is a concern, the Auto Amnesia Haze is a faster alternative.
Is Amnesia Haze good for beginner growers?
It suits intermediate growers rather than complete beginners. The long flower needs consistent environmental management, height control matters indoors, and the urge to harvest early has to be resisted. The genetics are stable and forgiving of small mistakes, so if you have one or two grows behind you, Amnesia Haze is a natural next step.
How does Amnesia Haze perform outdoors in Queensland and NSW?
Exceptionally. QLD and NSW coastal growers get some of the best outdoor Amnesia Haze results anywhere, since the warm summers, high UV, and relatively dry autumns suit the tropical and Mediterranean genetics. Plant late October, allow a full summer of veg, and harvest late April. In-ground plants with full sun and good nutrition regularly produce 500 to 700 g per plant.
How does Amnesia Haze compare to a sativa like Blue Dream?
Amnesia Haze sits at the more extreme sativa end. Blue Dream (around 70% sativa) is more balanced, with more body relaxation and a gentler, more functional effect. Amnesia Haze delivers the more purely cerebral, euphoric, and long-lasting high, more intense mentally and less balanced physically, with a lemon-spice profile that stands apart. If Blue Dream is the everyday sativa, Amnesia Haze is the occasion strain.
What yields can I expect from Amnesia Haze seeds in Australia?
Indoors, 550 to 650 g/m² under quality lighting with proper training and environmental control, with SCROG hitting the upper range. Outdoors in QLD and NSW, 500 to 700 g per plant planted late October with full sun. Victoria and SA land closer to 350 to 500 g due to the shorter, cooler season. These are achievable figures for growers who commit to the full flower and maintain good conditions.
How does the Auto Amnesia Haze compare to the photoperiod?
The Auto Amnesia Haze brings the same lemon-spice genetics on a faster, fixed timeline in a compact plant with no light flip. The trade-offs are a lighter yield and a slightly reduced terpene intensity. For maximum yield and the full sativa expression, the photoperiod on this page is the definitive version.
What are the most common mistakes growing Amnesia Haze?
Three come up consistently. Harvesting too early is the most common and costly, since the strain looks done before it is, so check trichomes. Inadequate height management indoors is next, so flip at 50 to 60 cm or the stretch causes problems. Third is humidity neglect late in flower, since the long window extends into conditions where mould control becomes critical. Get those three right and it is a rewarding grow.
Do you ship Amnesia Haze seeds across Australia?
Yes, with fast domestic shipping and discreet packaging, and most orders arrive within a few business days. All seeds are batch-tested with the paper towel method at ~22 °C and stored cold and dry to preserve viability.
64 reviews for Amnesia Haze Feminized Seeds
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Bugger. I cannot load the photo. You will just have to trust that this strain is a growth champion.
Very happy
Thank you
Unfortunately only 60% strike rate for me.
That 60% are growing strong though.
Thanks guys
And a 90% Sativa Haze - with landrace genetics?
Can't wait to try her!!!