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Top 10 Autoflowering Weed Strains
Autoflowering cannabis strains are speedy, strong, flavourful, and compact. However, not all of them perform the same. To save you time and effort, we've distilled a list of the 10 best autoflowering cultivars you can buy—including four revolutionary F1 hybrid cultivars. Enjoy the best results possible, every time you grow.
Autoflowering cannabis strains have become massively popular among many weed cultivators. They grow fast. They’re potent. They don’t need a change in light exposure to begin flowering. They’re compact and stealthy. What’s not to love?
While traditional autoflowering cultivars offer all of these benefits, F1 hybrid autos take things one step further. Deriving from pure inbred lines, these varieties possess what's known as hybrid vigour. Simply put, this means they offer bigger yields, increased disease resistance, superior uniformity, and stronger buds. Whether you’re new to autos or want to improve your current results, add some F1 hybrids to your seed arsenal for an enhanced cultivation experience.
Whether you opt for traditional autos or next-gen F1 hybrids, allow us to introduce the best autoflowering strains to grow in 2023.
Contents:
1. Royal Gorilla Automatic
Not long ago, some growers would turn up their noses at those who chose to grow autoflowers. The reason behind this is that early autos simply couldn’t match the yield, potency, and flavour of photoperiodic strains. Today, no one would dare say anything bad about Royal Gorilla Automatic, a dank auto that is more than deserving of the spotlight. This uber-potent lady from the US West Coast is a cross of Royal Gorilla, Royal Cookies, and ruderalis. She has been finely tuned for exceptional performance, beastly potency, and top resin production. Not to mention, she delivers up to 400g/m² of dense bud indoors—all within a short 8–10 weeks from seed.
Royal Gorilla Automatic boasts an impressive 20% THC, so she can deliver a real knockout punch. She starts you out with a happy, heady euphoria that makes way for an incredibly relaxing couch-lock. Smoke (or vape) the girl, and you will taste Diesel flavours with citrus, pine, and fruity notes.
Royal Gorilla Auto
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Gorilla x Cookies x Ruderalis |
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325 - 400 gr/m2 |
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70 - 100 cm |
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6 - 8 weeks |
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THC: 20% |
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Sativa 30% Indica 50% Ruderalis 20% |
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120 - 170 gr/plant |
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80 - 140 cm |
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10 - 12 weeks after sprouting |
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Heavy, Physically Relaxing, Stoned |
2. Titan F1
You thought you knew autoflowering genetics—then you met Titan F1. Cannabis breeders have certainly improved autoflowering genetics over the past few decades, but RQS has elevated them to a whole new level. This F1 hybrid cannabis variety stands proud as one of the fastest and most productive autos out there. Because she descends from pure parent lines, Titan F1 possesses hybrid vigour that results in huge harvests, excellent disease resistance, and higher levels of THC and other cannabinoids.
Overall, this variety thrives both indoors and outdoors. Her high level of uniformity means every plant exhibits the same size and shape; you won’t have to deal with any unpredictable phenotypes. With a maximum height of 65cm, you can confidently grow this variety while remaining below the radar. Expect sizable yields after 73 days from germination.
Titan F1
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Blue Dream x Sugar Magnolia x Amnesia |
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40 - 45 days |
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THC: Ultra-high |
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Calming, Focus , Physically Relaxing, Uplifting |
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70 - 75 days after germination |
3. Triple G Automatic
Many growers start to feel those post-harvest blues as the outdoor season comes to a close. However, strains like Triple G Automatic offer hope. When the autumn and winter approach, you have the option of obtaining another harvest within a matter of weeks by switching things up and growing indoors. Many autoflowering strains offer good results in tents and grow rooms, but Triple G Auto really stands out thanks to her rapid growing time, compact size, and ample THC content. Harnessing parent strains Triple G and Big Skunk Auto, our breeders managed to create a quick and compact cultivar that outperforms many autoflowers and photoperiods with a THC content of 20%. Throw in a sweet and chocolatey terpene profile, and you have one seriously stoning phytochemical cocktail. Reserve these flowers for lazy afternoons and evenings to enjoy their euphoric effects.
If you’re looking for discretion, then you just found it! As one of the best autoflowering strains for covert growers, this little pocket rocket will churn out up to 500g/m² while remaining at a height of 60–120cm. Prepare to harvest 10–12 weeks following germination.
Triple G Auto
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Triple G x Big Skunk Auto |
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450 - 500 gr/m2 |
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60 - 120 cm |
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8 - 9 weeks |
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THC: 20% |
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Sativa 15% Indica 80% Ruderalis 5% |
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90 - 140 gr/plant |
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80 - 140 cm |
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10 - 12 weeks after sprouting |
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Clear, Fast Thinking, Motivating |
4. Cookies Gelato Automatic
High levels of THC; beautiful purple buds; jar-filling yields—Cookies Gelato Automatic has it all! This well-rounded cultivar ticks all of the boxes that make for a great indoor option. How did a single strain end up with such an impressive bundle of traits? Our breeders crossed Cookies Gelato and Big Skunk Auto, resulting in a progeny with 75% indica genetics, 20% sativa, and 5% ruderalis. After hitting blunts and bongs packed with these flowers, you can expect a creative and stoning high paired with flavours of cookies, earth, fruit, and honey.
Cookies Gelato Auto serves as the perfect option for your indoor growing space following the end of the outdoor season. This strain reaches a height of 90–140cm; use training techniques to keep her at the lower end of this spectrum. You can expect to start harvesting and trimming frosty purple buds in as little as 10 weeks following sprouting. Make sure you have enough jars to store up to 500g/m².
Cookies Gelato Auto
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Cookies Gelato x Big Skunk Auto |
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450 - 500 gr/m2 |
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90 – 140 cm |
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8 - 9 weeks |
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THC: 23% |
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Sativa 20%, Indica 75%, Ruderalis 5% |
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90 - 140 gr/plant |
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80 - 140 cm |
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10 - 12 weeks after sprouting |
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Balanced, Creative |
5. Amnesia Haze Automatic
The original Amnesia is a famous sativa with a cult following. Her euphoric high and unique flavour are the reward for what many would describe as a difficult growing process. Most Hazes need around 12 or more weeks to flower, and their size and nutrient demands can be an issue too. Luckily, Amnesia Haze Automatic by Royal Queen Seeds is here to save the day! This fabulous autoflowering variant does away with the long wait, instead requiring only 80–85 days from germination. Moreover, she will remain at a convenient height of 80–150cm, which makes her very manageable.
Amnesia Haze Automatic provides the same superb heady effect that made her big sister so famous—a high that is as cerebral as it is uplifting. Another highlight is her classic Haze aroma that blends earth and citrus notes to max capacity. As long as you make sure not to overfeed her, growing (and enjoying) Amnesia Haze Automatic will be a breeze.
Amnesia Haze Auto
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Amnesia x Ruderalis |
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350 - 400 gr/m2 |
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50 - 100 cm |
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7 - 8 weeks |
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THC: 18% |
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Sativa 50% Indica 20% Ruderalis 30% |
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130 - 180 gr/plant |
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100 - 120 cm |
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11 - 12 weeks after sprouting |
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Clear, Uplifting |
6. Medusa F1
Medusa F1 doesn’t sport thick locks of snakes. Instead, she possesses a dense layer of trichomes that work overtime during the flowering phase to pump out high levels of cannabinoids and terpenes. When smoking this variety, large concentrations of THC synergise with CBG and the terpenes ocimene, farnesene, and caryophyllene to deliver a physically soothing high that also elevates your mental state.
Equipped with exceptional vigour, this F1 hybrid ranks as one of the most abundant autoflowering varieties available. Not only does she produce lots of dense buds, but she reaches maturity in only 72 days following germination. Whether grown indoors or outdoors, Medusa F1 will handle any adverse conditions with ease; excess humidity and pest pressure are no match for this vigorous variety.
Medusa F1
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Sugar Magnolia x American Beauty |
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40 - 45 days |
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THC: Very high |
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Balanced, Creative, Physically Relaxing, Sleepy |
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70 - 75 days after germination |
7. Epsilon F1
Some growers are luckier than others; they have the luxury of growing in warm and dry climates where plant pathogens seldom attack. However, if you have to traverse a gauntlet of heavy rain and humidity every time you grow outdoors, then Epsilon F1 will drastically increase your chances of success.
Not only is Epsilon F1 more capable of fending off Botrytis and other fungal pathogens, but her rapid growing time makes her an ideal candidate when cultivating in a region with a brief growing season. With a short stature and a growing cycle of only 60 days, this pocket rocket will arrive at harvest time quickly—you better have some stash jars ready! After drying and curing your buds, you’ll enjoy fruity flavours and a high that will put you in the mood to simply kick back and relax.
Epsilon F1
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Blue Dream x Blueberry x Amnesia Lemon Haze x Black Domina |
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30 - 40 days |
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THC: Very high |
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Calming, Long Lasting , Physically Relaxing |
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60 days after germination |
8. HulkBerry Automatic
The original HulkBerry pushed the boundaries of cannabinoid production and amazed the European cannabis world with her hard-hitting highs. Royal Queen Seeds managed to capture the best elements of this legendary high in an autoflowering strain.
After crossing HulkBerry with Diesel Automatic, the progeny emerged as a sativa-dominant variety boasting long, tapered flowers with a THC level of 21%. Opening a stash jar full of these buds releases a wave of sweet and fruity terpenes into the air, which gives a hint of the flavours to come.
HulkBerry Auto thrives in a mild climate and does particularly well in grow tents and greenhouses, where she reaches a height of 80–120cm. Indoor plants produce 450–500g/m² and respond well to LST. Outdoor plants offer 100–150g/plant and do well when interplanted with companion species such as basil. You can expect to make the chop just 8–9 weeks after your seeds germinate.
HulkBerry Auto
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Hulkberry x Diesel Auto |
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450 - 500 gr/m2 |
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80 - 120 cm |
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6 - 7 weeks |
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THC: 21% |
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Sativa 65% Indica 30% Ruderalis 5% |
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100 - 150 gr/plant |
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80 - 120 cm |
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8 - 9 weeks after sprouting |
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Clear, Uplifting |
9. Orion F1
The excitement of germinating cannabis seeds quickly wanes as the realisation of the wait ahead takes hold. However, Orion F1 takes the sting out of this thought. This F1 hybrid cannabis seed moves with great speed. After germination, she’ll start shooting upward and pumping out fan leaves to fuel growth. Thanks to her disease resistance, you can rest easy knowing that she’ll stand strong in the face of many types of pests and pathogens. Eventually, she’ll top out at 80cm and start to develop shimmering buds that boast wild trichome density. Overall, you’ll only have to wait 70 days to snip off these buds and load them into your drying rack.
Speed aside, Orion F1 will get you more baked than most autos available on the market. Her high levels of THC, small concentrations of CBG, and fruity terpenes serve up a relaxing and stoning experience. Grab some snacks, put on some tunes, and enjoy the ride!
Orion F1
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Blue Mammoth Auto x Blue Dream x Amnesia |
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35 - 40 days |
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THC: Very high |
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Calming, Physically Relaxing, Stoned |
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65 - 70 days after germination |
10. Watermelon Automatic
Watermelon Automatic combines high levels of THC with medium quantities of CBD to exert a grounding and comforting high perfect for any time of day. As her fruity name suggests, each puff of this strain delivers strong notes of refreshing watermelon to the taste buds—use a vape to get a true appreciation for the flavour she has to offer. You’re in for a jaw-dropping experience come harvest time. Even if you’re growing other gorgeous strains in close proximity, Watermelon Auto’s deep purple tones and thick layers of resin will steal the show. But these dense colas don’t just look good—they also contain an impressive THC content of 20%.
At a height of 80–110cm, you’ll have no problem managing this variety in the grow room. The best part? You’ll get to start trimming up to 500g/m² of buds in as little as 8 weeks after your seeds sprout.
Watermelon Auto
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Tropicanna Cookies x Lemon OG |
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450 - 500 gr/m2 |
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80 - 110 cm |
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6 - 7 weeks |
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THC: 20% |
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Sativa 20%, Indica 75%, Ruderalis 5% |
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50 - 90 gr/plant |
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100 - 120 cm |
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8 - 9 weeks after sprouting |
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Calming |
Have you found a favourite that you want to grow from our list of top autoflowers? For even more choices, check out all the cannabis strains in the Royal Queen Seeds catalogue! RQS offers not just top autoflowers, but also feminized cannabis seeds and CBD-rich medicinal cannabis seeds.
Happy growing!
