Amnesia Haze Strain Feminized SeedsSoma's award-winning Amsterdam sativa with a long, lemony bloom
5.00 out of 5 · 5 reviewsThe Amnesia Haze strain is the lemon-and-spice sativa that Soma of Soma Seeds put together in Amsterdam in the early 2000s and that went on to take first place at the 2004 High Times Cannabis Cup. These feminized seeds grow full-size photoperiod plants, all female, that stretch tall and need roughly 10 to 14 weeks of 12/12 before the long, resinous colas are ready.
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What is the Amnesia Haze strain?
Amnesia Haze is a sativa-dominant hybrid, about 80% sativa, created by Soma of Soma Seeds in Amsterdam from Jamaican and Laotian sativa lines with his Afghani Hawaiian. Soma dates the first plants to around 2003, and the strain won first place at the 2004 High Times Cannabis Cup. Strain databases report roughly 19–26% THC with very little CBD, a lemony, earthy, peppery smell, and a long bloom of about 10 to 14 weeks indoors, with 12 weeks the figure most sources agree on.
Ratio from SeedFinder's Soma Seeds entry and AllBud; the indica share traces to the Afghani Hawaiian side.
Amnesia Haze trades a slow 10 to 14 week bloom for tall, resin-heavy colas that won the 2004 Cannabis Cup.
Amnesia Haze strain specs
These Amnesia Haze figures combine Soma Seeds' listing on SeedFinder with AllBud, Weedmaps and the data sheets of seed companies that sell feminized Amnesia Haze. Potency and timing vary between seed makers, so the table shows ranges.
| Type | Sativa-dominant hybrid, about 80% sativa / 20% indica |
|---|---|
| Genetics | Jamaican sativa × Laotian sativa × Afghani Hawaiian (SeedFinder); Soma also credits Neville's Haze as the base |
| Bred by | Soma, Soma Seeds (Amsterdam), first selected around 2003 |
| THC | About 19–26% (Weedmaps); AllBud lists 20–22% |
| CBD | Very low, under 1% |
| Main terpenes | Caryophyllene, limonene, myrcene |
| Aroma & flavor | Lemon and citrus, earth, pepper, incense, a hint of hash |
| Reported effects | Euphoric, creative, happy, giggly, energetic |
| Seed type | Feminized photoperiod (female plants) |
|---|---|
| Flowering indoors | About 10–14 weeks; Soma lists 12 weeks (84 days) |
| Outdoor harvest | Mid to late October (Northern Hemisphere) |
| Height | Tall: around 180–220 cm (6–7 ft) untrained, with heavy stretch in bloom |
| Yield | High; seed companies list about 400–650 g/m² indoors |
| Difficulty | Moderate to hard, mainly because of the long bloom and height |
| Best methods | Topping, SCROG and LST; suits a long vegetative period |
| Climate | Indoors, or warm outdoor regions with a long, dry autumn |
Where does the Amnesia Haze strain come from?
Amnesia Haze was bred in Amsterdam by Soma, an American-born grower who founded Soma Seeds, from haze-type sativa lines and his own Afghani Hawaiian. SeedFinder lists the Soma Seeds cross as Afghani Hawaiian × Laos × Jamaica. In an interview with Fat Nugs Magazine, Soma said he worked from Neville Schoenmakers' haze clones, tested mixes with Afghani Hawaiian and Super Silver Haze phenotypes for two or three years, and named the result around 2003 for the forgetful feeling it gave his group.
Amnesia Haze won first place at the 2004 High Times Cannabis Cup, its first competition, and SeedFinder also records a 2012 Cup win among sativas. The strain became a fixture of Amsterdam coffeeshop menus, and dozens of seed makers now offer a feminized Amnesia Haze, so plants from different sources can differ slightly in timing and aroma.
Is Amnesia Haze the same as Amnesia?
Not always: "Amnesia" is often used as a short name for Amnesia Haze, but a separate strain called Amnesia was also released by Sam the Skunkman, with different genetics. When a seed listing just says Amnesia, check whether it names Soma's haze lineage or another breeder's line.
The exact parent plants are not fully documented. Soma's own account mentions Neville's Haze, Afghani Hawaiian and Super Silver Haze tests, while SeedFinder and Leafly reduce the family tree to South Asian, Laotian and Jamaican landraces plus Afghani Hawaiian.
How does Amnesia Haze smell, taste and feel?
Aroma and flavor
Amnesia Haze tastes of sharp lemon and citrus over an earthy, peppery base, and many smokers also pick up an incense-like haze note and a light hashy finish.
- Lemon
- Citrus
- Earth
- Pepper
- Incense
- Hash
Terpenes
- Caryophyllene
- Peppery, spicy backbone of the haze smell
- Limonene
- The bright lemon and citrus top note
- Myrcene
- Earthy, musky depth
Some strain guides also report terpinolene in Amnesia Haze; lab profiles differ between seed lines.
Reported effects
Users most often describe Amnesia Haze as a euphoric, creative and talkative high that comes on quickly in the head and stays upbeat for a long time. Weedmaps reviewers add that enough body calm follows to keep it from feeling jittery, which is why it is usually rated as a daytime strain.
- Euphoric
- Creative
- Happy
- Giggly
- Energetic
Dry mouth and red eyes are the usual Amnesia Haze complaints, along with paranoia or dizziness for some people when they take too much of such a strong sativa.
This Amnesia Haze summary draws on AllBud and Weedmaps reviews plus Soma's notes. Reactions vary a lot from person to person, and nothing here is medical advice.
How do you grow Amnesia Haze seeds?
Amnesia Haze seeds need patience and headroom: veg the plants for a few weeks, train them flat before flowering, then give them 10 to 14 weeks of 12/12 and watch humidity as the long colas ripen.
- Germinate3–7 days
Amnesia Haze seedlings show narrow, sativa-style leaflets almost from the first true leaves.
- Vegetate3–6 weeks indoors
Top the main stem and fill a SCROG net before the flip, because Amnesia Haze can double or triple in height during early bloom.
- Flower10–14 weeks
Amnesia Haze builds long, airy-to-dense spears slowly; most growers see real bud weight only from week six or seven of 12/12.
- HarvestAround day 84 indoors · mid to late October outdoors
Harvest when most trichomes look cloudy; Amnesia Haze often keeps pushing fresh white pistils late, so judge by trichomes, not hairs.
Grow tips for Amnesia Haze
- Flip early in small rooms. Amnesia Haze stretches hard after the switch, so in a short tent start 12/12 while the plants are still well under half the space you have.
- Use a net or trellis. The long Amnesia Haze colas get heavy near the end and can bend thin branches; a SCROG or trellis keeps them upright and evenly lit.
- Plan for a late outdoor finish. Outdoor Amnesia Haze ripens from mid to late October, which works best where September and October rain is rare; in short northern seasons a greenhouse helps.
- Control the smell. Amnesia Haze has a loud lemon-and-spice aroma in late bloom, so indoor growers usually run a carbon filter for the last several weeks.
- Feed lightly but steadily. Like most haze sativas, Amnesia Haze tends to dislike very heavy nutrient doses; watch leaf tips for burn and raise feed gradually during the long bloom.
- Feminized seeds save a slot. Because these Amnesia Haze seeds are feminized, they grow female plants, and no tent space in a long 12-week cycle is wasted on males.
Is Amnesia Haze the right strain for you?
Great pick if you
- Want a classic Amsterdam haze with a strong, lemony, spicy smell
- Prefer an upbeat, creative daytime high
- Have the headroom and patience for a 10 to 14 week bloom
- Like training plants with a SCROG net to fill a space
Think twice if you
- Need a harvest in 8 weeks or less
- Grow in a very short tent or a region with early autumn rain
- Want a sleepy, heavy indica for evenings
- Are sensitive to strong, racy sativas
Amnesia Haze strain FAQ
Is Amnesia Haze indica or sativa?
Amnesia Haze is a sativa-dominant hybrid, about 80% sativa and 20% indica according to SeedFinder and AllBud. Its haze side comes from Jamaican and Laotian sativa lines, while Soma's Afghani Hawaiian adds the indica share.
Who bred Amnesia Haze?
Amnesia Haze was bred by Soma of Soma Seeds in Amsterdam. He has said he selected it from haze clones and his own Afghani Hawaiian over two or three years of testing, and named it around 2003.
Did Amnesia Haze win the Cannabis Cup?
Yes. Amnesia Haze took first place at the 2004 High Times Cannabis Cup in Amsterdam, and SeedFinder lists another first place in the sativa category at the 2012 High Times Cannabis Cup. It also won the sativa category at the 2005 IC 420 Growers Cup.
How long does Amnesia Haze take to flower?
Amnesia Haze flowers for roughly 10 to 14 weeks indoors after the switch to 12/12. Soma Seeds lists about 12 weeks (84 days), and some seed companies quote up to 14. Outdoor plants north of the equator finish from mid to late October.
How much THC is in Amnesia Haze?
Amnesia Haze is usually reported at about 19–26% THC on Weedmaps, with AllBud listing 20–22% and seed companies quoting 22–24%. CBD is very low. Your own plants may land higher or lower, since seed source, light and harvest timing all move the number.
How tall does Amnesia Haze grow?
Amnesia Haze grows tall. Seed companies list roughly 180–220 cm (6–7 ft) for untrained plants, and indoor plants keep stretching for weeks once bloom starts; growers usually top early and weave branches through a screen to keep the canopy under the lights.
What does Amnesia Haze smell like?
Amnesia Haze smells of lemon and citrus over earth and pepper, with an incense-like haze note. Soma's own description on SeedFinder mentions lime, lemon and a diesel edge. Caryophyllene, limonene and myrcene are the terpenes most often listed.
Why is it called Amnesia Haze?
Soma named Amnesia Haze after the forgetful, spaced-out feeling his friends reported while testing it. The Haze part reflects its haze sativa genetics, which put it alongside other Amsterdam hazes of the time.
Is the feminized or autoflower Amnesia Haze better?
Feminized Amnesia Haze is the full photoperiod plant: taller, slower at 10 to 14 weeks of bloom, and usually heavier yielding. The autoflower version finishes in about 9 to 12 weeks from seed at a smaller size, which suits short seasons and small tents.
Amnesia Haze reviews
5.00 out of 5 from 5 reviews
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5 reviews for Amnesia Haze Feminized Marijuana Seeds
Amnesia Haze's relatives and similar hazes
Amnesia Haze Autoflowering
Super Silver Haze Feminized
Amnesia Kush Feminized
Super Lemon Haze FeminizedBeaver Seeds sells cannabis seeds for collection and genetic preservation where permitted. Check the laws in your state, province or country before germinating seeds. Effects are user-reported and are not medical claims.
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Mike De’Ocampo –
I strongly advise those who enjoy lemony and citrusy-like flavors! So awesome and extremely fragrant, possessing a distinct flavor, and heavily coated in trichomes. I’ve never had a more stimulating and intelligent buzz than this. Oh, and growing this strain is simple. To succeed with it, you also need to pay attention to the water, the soil, and the lighting. All things considered, though, I would suggest this strain to anyone who appreciates a sativa high.
Ma. Tenorio –
Spectacular strain. Easy to grow. A friendly grower plant. By the looks, smell and effects this weed blew me away. Smoke hits smoothly. It leaves you with a feeling of optimism, happiness, and motivation that lasts for a really long time. This strain lifts the weight of the world off my shoulders and makes me want to do stuff! I would recommend this strain to anyone who enjoys a sativa high.
H.Carr –
Simply marvelous. Easy to grow strain.You need to pay attention to the soil, the water and the lighting to do well with it. Great flavor on the inhale and nice taste left on the tongue on the exhale very creamy. Tastes great and delivers a relaxing body high. It packs a punch for recreational wants so enjoyable. It could be after dinner as a dessert, after a long day of work to release some stress/tension. Absolutely recommended.
Cl.Stringfield –
Amazing Strain. Easy to grow very resilient to mold and pest, yields med to high. Very aromatic with it’s own unique taste and absolutely smothered in tricones. This is the best energizing and cerebral buzz ever. I would recommend.
ChapinC –
She grew up very well without any problem very resistant to everything from the beginning. This strain is totally astonishing, the flavor is awesome, lemony and smell like diesel it’s such an excellent taste. I HIGHLY recommend for people who appreciates lemony flavors.