Autoflowering Cannabis Seeds

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Our autoflowering seeds are bred by the best, which means their quality and potency are getting close and often even surpass those of traditional cannabis strains. In addition to all Cannabis Cup winners, we bring you autoflowering seeds like feminized Royal Critical Auto and Northern Light, among others.

Feeling overwhelmed by all the different cannabis strains out there? Use the Cannabis Seedfinder and find the strain that best suits your growing needs in 6 simple steps.

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White Rhino Automatic (Zamnesia Seeds) feminized

Knockout Effects: Massively relaxing & soothing. World-Renowned Parentage: White Widow x Maple Leaf Indica x Ruderalis. Effortless to Grow: Autoflowering genetics to suit all levels of expertise. Massive Flavours: Woody, pungent & spicy notes blend seamlessly

(5)
€ 25,99 € 16,89 +13 Gift Points
In stock

Rainbow Sherbet Automatic (Zamnesia Seeds) feminized

Spectrum of Flavours: Rich, sweet, fruity, and strawberry flavours fill the senses. Impressive Lineage: Bred from Pink Guava, Sunset Sherbet and Ruderalis. Effortless Cultivation: Easygoing growing experience. Perfect for all budding cultivators. Soothing Effects: 24% THC boasting relaxing sensations and uplifting moments.

(11)
€ 25,99 € 16,89 +13 Gift Points
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Black Runtz Automatic (Zamnesia Seeds) feminized

Rare flavours: Exotic notes of blue cheese and sage. Superb pedigree: The autoflowering version of the legendary Black Runtz. Swift growing times: Reap a harvest just 10 weeks after sowing seeds. Unparalleled potency: One of the strongest autos available.

(14)
€ 25,99 € 16,89 +13 Gift Points
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Purple Urkle Automatic (Zamnesia Seeds) feminized

Delightful flavours: A rich blend of grape, plum, and berries. Iconic genetics: Born from legendary Mendocino Purps and ruderalis. Beginner-friendly: Versatile and suitable for all levels of expertise. Soothing effects: With 20% THC, this strain delivers deeply relaxing and uplifting sensations.

(8)
€ 25,99 € 16,89 +13 Gift Points
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Ghost Train Haze Automatic (Zamnesia Seeds) feminized

Compact plants: Ghost Train Haze Auto reaches max heights of 120–140 cm. Speedy flowering time: Harvest real Haze weed just 12–14 weeks after sprouting your seeds. Top-shelf potency: Ghost Train Haze Auto packs 24% THC and dank diesel terpenes. Excellent yields: Ghost Train Haze Auto yields up to 550 g/m² indoors or 200 g/plant outdoors.

(74)
€ 25,99 € 16,89 +13 Gift Points
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Blueberry Automatic (Zamnesia Seeds) feminized

Cannabis classic Blueberry receives an autoflowering makeover. By combining the famous strain with ruderalis genetics, we have managed to create a vigorous, speedy, and potent pot provider—ready in just 8–9 weeks from seed to harvest.

(622)
€ 20,99 € 12,59 +11 Gift Points
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Runtz Automatic (Zamnesia Seeds) feminized

Think you've seen all there is to see with auto strains? Well, Runtz Automatic will give you a run for your money. This powerhouse strain not only offers great flavours and aromas, but also provides a potent hit that will make her a permanent fixture of your smoking and vaping sessions. With so many good things going for her, let's see what the fuss is about.

(549)
€ 25,99 € 16,89 +13 Gift Points
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Purple Haze Automatic (Zamnesia Seeds) feminized

Ever wondered what Jimi was riffing about in 1967? With Purple Haze Automatic, it's never been easier to experience the magic of Purple Haze yourself. In just 65 days, this compact auto will reward you with top-shelf sativa buds that'll take you on a long-lasting, trippy, and creative journey.

(225)
€ 20,99 € 8,40 +11 Gift Points
In stock

Wurlz F1 Automatic (Zamnesia Seeds) feminized

By harnessing the same genetic techniques that are used in commercial farming, Wurlz F1 hybrid Automatic from Zamnesia offers a reliable and uniform growing experience that results in a bevy of buds teeming with terpenes and THC. Taking just 9–10 weeks from seed to harvest, this is a fast-growing cultivar that rewards growers with sweet, fruity nugs that showcase deeply soothing sensations.

(132)
€ 34,99 € 14,00 +18 Gift Points
In stock

Pineapple Express F1 Automatic (Zamnesia Seeds) feminized

Boasting rich, sweet flavours and uplifting effects, Pineapple Express F1 Automatic is a rewarding autoflower that delivers a massive haul of buds in 9 weeks or less from germination. And topping out at a manageable height of just 50–70cm, this strain is well-suited to indoor, outdoor, and greenhouse spaces. Experience this fierce F1 specimen for yourself!

(133)
€ 34,99 € 14,00 +18 Gift Points
In stock

Grease Monkey Automatic (Zamnesia Seeds) feminized

Greasy, gassy terps: Enjoy heavy harvests of dank, fuel-flavoured buds. Balanced hybrid traits: Grease Monkey Auto boasts a perfect split of indica and sativa genes. Wickedly potent: Brace yourself for a THC-packed smoke that provokes a heavy stone. Celebrity ancestry: Grease Monkey Auto stems from a GG4 x Cookies & Cream.

(19)
€ 25,99 € 16,89 +13 Gift Points
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Blue Monster Automatic (Zamnesia Seeds) feminized

Brought to you by Zamnesia Seeds, Blue Monster Automatic is a fully automatic feminized strain with a very short 7–8-week bloom period and great versatility. Its prestigious genetic background is responsible for creating a strain supreme in both flavour and high. A definite must-have for every serious stoner.

(132)
€ 18,99 € 12,34 +10 Gift Points
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Super THC Pack - Automatic Strains

Gone are the days when growing autos meant sacrificing potency and aroma. Modern autoflowers are capable of producing excellent buds that easily rival those of photoperiod strains, and this pack is here to prove it. The seeds included here come from select autoflowering genetic lines that produce dense buds dripping with mouth-watering aromas and, most importantly, mind-bending amounts of THC.

(57)
€ 44,99 € 31,49 +23 Gift Points
In stock

Strawberry Cough Automatic (Zamnesia Seeds) feminized

When shopping for a flavoursome auto, you simply must try Strawberry Cough Automatic from our creative breeders at Zamnesia. By marrying Strawberry Fields and Haze with a ruderalis specimen, they came up with an auto that performs well when cultivated by experienced and rookie growers alike. Strawberry Cough Automatic boasts plenty of delicious terps, promising a feast for the senses.

(116)
€ 25,99 € 16,89 +13 Gift Points
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Apple Fritter Automatic (Zamnesia Seeds) feminized

Few auto strains deliver the potency, aromas, and excellent grow traits found in Apple Fritter Automatic. Backed by top-shelf US genetics, this seed is sure to quickly climb your list of favourite autoflowering strains.

(161)
€ 25,99 € 18,19 +13 Gift Points
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Sunset Sherbet Automatic (Zamnesia Seeds) feminized

From the folks at Zamnesia Seeds comes Sunset Sherbet Automatic. This easy-growing strain boasts a super-short growing cycle of just 60 days. Effortless to maintain, she delivers bountiful yields emanating sweet, fruity flavours that are bound to get mouths watering. Coupled with an impressively relaxing high, there is plenty to love about this well-rounded strain.

(248)
€ 25,99 € 16,89 +13 Gift Points
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Do-Si-Dos Automatic (Zamnesia Seeds) feminized

Do-Si-Dos Automatic will shock growers of old-school autoflowers. Unlike those bygone varieties, she produces sky-high levels of THC, huge yields, and a terpene profile that refreshes the mind and makes the mouth water. This unique auto puts out colourful buds that exert a two-pronged high composed of a heavy body stone and a cerebral surge. What's not to love?

(304)
€ 25,99 € 16,89 +13 Gift Points
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Green Crack F1 Automatic (Zamnesia Seeds) feminized

Forget what you think you know about cannabis; Green Crack F1 Automatic from Zamnesia Seeds is here to shake things up. Harnessing F1 genetics, growing weed doesn't get more accessible than this. These plants offer uniform yields and exceptional returns. Get ready to harvest high-quality bud packed full of flavour and mind-blowing effects.

(68)
€ 34,99 € 22,74 +18 Gift Points
In stock

Wedding Cake Automatic (Zamnesia Seeds) feminized

From the team at Zamnesia Seeds comes Wedding Cake Automatic. This autoflowering strain is not only a joy to grow, but also to smoke—thanks to her impressive flavour profile and abundant high. An easy, breezy specimen in the grow room, she's perfect for beginners looking to get their feet wet, and experienced growers seeking a hassle-free home project.

(303)
€ 20,99 € 13,64 +11 Gift Points
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Sticky Beast Automatic (Zamnesia Seeds) feminized

What happens when three famous strains come together? Zamnesia Seeds’ Sticky Beast Automatic is pure autoflower bliss made from some of the best strain favourites. This elusive combo where the mouth-watering Bubble Gum meets the famed OG Kush and the high-yielding Critical Auto makes for a true one-of-kind autoflower that is also very easy to grow!

(531)
€ 20,99 € 13,64 +11 Gift Points
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Northern Lights Automatic (Zamnesia Seeds) feminized

Bred from the loins of a classic, Northern Lights Automatic is like a pot present from the past, but with a futuristic upgrade. This feminized version sees Northern Lights crossed with ruderalis to create an extra-sweet strain that fans new and old are sure to adore. Growers can expect bountiful results in just 9 short weeks, from seed to harvest!

(256)
€ 18,99 € 12,34 +10 Gift Points
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Black Orchid Automatic (Zamnesia Seeds) feminized

It's said that the orchid symbolises love, refinement, and beauty; well, we can confirm that Black Orchid Automatic encapsulates all of these attributes, and many more. This autoflowering sensation has plenty going for it, with a peculiar yet highly enjoyable flavour profile that accents a relaxed, blissful high. Moreover, this plant is capable of producing excellent yields in ideal conditions.

(129)
€ 25,99 € 16,89 +13 Gift Points
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Pink Rozay Automatic (Zamnesia Seeds) feminized

Harnessing the best of US strains Lemonchello and London Pound Cake, Pink Rozay Automatic is a powerhouse strain in its own right. Whether for its intoxicating social high, exceptional yields, or exotic aromas, don't hesitate to add this unique auto to your next grow.

(272)
€ 25,99 € 16,89 +13 Gift Points
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White Widow Automatic (Zamnesia Seeds) feminized

Not only one of Amsterdam's finest but one of the world's finest cannabis strains, White Widow gets a bit of autoflowering revamp by the expert cultivators at Zamnesia Seeds. Mixing together White Widow with Ruderalis, they managed to create an amazing specimen that goes from seed to harvest in just 10-12 weeks!

(114)
€ 20,99 € 13,64 +11 Gift Points
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Autoflowering Cannabis Seeds

What are autoflowering cannabis seeds?

Autoflowering seeds are cannabis seeds that begin flowering after a genetically predetermined amount of time, rather than in reaction to a change in the photoperiod (hours of daylight).

Compared to their photoperiod-dependent counterparts, auto seeds tend to produce fast-growing, resilient, and compact specimens. Due to their characteristics, they are well-suited to indoor growing and low-stress training techniques such as ScrOG or SOG. They can nevertheless be grown successfully outdoors too. In fact, due to the fact that they don’t rely on the sun to flower, they can be grown all year round (weather permitting), allowing cultivators to fit multiple harvests into a single season.

How are autoflowering seeds created?

Autoflowering cannabis seeds are hybrid strains containing indica and/or sativa genetics alongside ruderalis genetics—the latter of which is responsible for gifting plants with the ability to flower automatically. Ruderalis cannabis is native to Siberia and surrounding regions. Due to the short summer season there, ruderalis plants evolved to flower according to an internal clock, rather than in response to the sun.

By breeding sativa and indica strains with ruderalis, breeders are able to pass the autoflowering trait onto those plants. However, without careful breeding, this trait will be lost in the next generation of plants, as it is a recessive gene.

It has taken some years to get auto seeds up to a similar quality as photoperiod seeds, as natural ruderalis produces very low yields and low cannabinoid concentrations. However, these days, careful breeding has closed the gap.

Related article

Are Autoflowering Cannabis Strains Less Potent Than Others?

Are all autoflowering seeds female?

Pretty much, but not always. While the vast majority of autoflowering seeds are fully feminized, there are some regular ones on the market. They tend to be female because autoflowering seeds are often chosen by beginner growers or those who desire exclusively female plants (as these are the ones that bear viable—i.e. smokeable—flowers). Therefore, contending with 50% male plants, which could pollinate the female plants, is somewhat counterproductive.

That said, there are some regular autoflowering cannabis seeds available. At Zamnesia, we offer a large range from Top Tao Seeds, a company that specialises in regular autoflower seeds.

Why should you buy autoflower seeds?

There are many reasons you may choose to buy autoflowering seeds. These include:

  • Fast growth — Some have life cycles as short as 49 days total

  • Resilient — Ruderalis makes these strains tough and easy to grow

  • Smaller plants — Many strains stay well under a metre in height, allowing them to fit nicely into many grow spaces

  • Stealth — Given their small size, these plants are well-suited to clandestine grows

  • Autoflowering trait — As they are not photoperiod-dependent, you are not beholden to a specific light cycle

  • Ease — All of the above traits make these plants generally easy and enjoyable to grow

As you can see, the main reason to buy autoflowering seeds is that they are easier. Fast, robust, and simple, they are the perfect choice for the novice grower, or simply those who want to be as hands-off as possible.

Despite recent advances, autoflowers tend not to be quite as good as photoperiod strains in the yield department. Moreover, they may be slightly less potent to boot. What’s worth noting, though, is that this is only if you look at their maximum potential. Given how forgiving they are to grow, novices may actually produce better-quality buds and higher yields from autoflowering strains, as they are more forgiving of certain mistakes.

How to grow autoflower seeds

Growing autoflowering cannabis seeds is significantly easier than photoperiods—especially indoors. To germinate them, you can either use the final pot or seedling trays. The seedling stage is the one where autoflowering plants are more vulnerable than photoperiods, and this is because they have a very short vegetative stage. Given this, any damage to their roots will not have time to properly heal, and so they can become quite stunted. This is why it might be worth germinating them in their final pot.

Either way, you can immediately put them under an 18/6 light cycle, and leave them like that until harvest. Some growers leave them under light all day, every day, while others try different methods. Though evidence is scant, we suggest an 18/6 or 20/4 light cycle throughout the entire grow.

Compared to photoperiod plants, autos require less in the way of water and nutrients, so start low and build up. The ruderalis makes them very efficient, and you can damage them easily with overfeeding.

Other than that, just treat them well.

Related article

How To Grow Autoflowers: The Complete Guide

How to choose the best autoflowering seeds

It mostly comes down to taste. These days, pretty much all strains are also available as autoflowering seeds, and so you can grow whatever you want. Some prioritise speed, others size, others strength. These traits are not mutually exclusive either, so you can find rapid, high-yielding, and high-potency strains.

Take a look around the extensive Zamnesia autoflowering cannabis seed catalogue and whet your appetite—there’s plenty to choose from!

Autoflowering Cannabis Seeds: Questions & Answers

🌱 What are autoflowering cannabis seeds?
Autoflowering cannabis seeds produce female plants which flower automatically after a certain amount of days. Generally those seeds are the easiest to grow.
🕘 How long does it take to grow autoflowering plants?
The average growing period of autoflowering plants is somewhere between 8-10 weeks. The end product fully depends on the strain and the growing circumstances.
✔️ What are the benefits of autoflowering cannabis seeds?
Autoflowering seeds flower after a certain amount of days and are not dependent on light cycles. This is a huge advantage and outdoors it can lead to multiple harvests in a season. In addition autoflower genetics are very sturdy and can handle harsher conditions in general.
💪 Is autoflowering cannabis less potent?
This is probably the most heard rumor about autoflowering cannabis. In the early days of autoflowering cannabis the potency was less than that of feminized cannabis though. After a lot of crossbreeding this is not the case anymore and autoflowering cannabis can reach high THC and CBD percentages.
💡 Can you grow autoflowering cannabis seeds indoors?
It's perfectly possible to grow autoflowering cannabis seeds indoors. 20 hours of lighting and 4 hours of darkness is considered to be the optimal light cycle for autoflowering cannabis. This light schedule is also referred to as 20/4.