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Top 10 Best Autoflowers Weed Strains of 2025
Autoflowering cannabis strains are speedy, strong, flavourful, and compact. As a keen cultivator, what's not to love!? We've distilled a list of the 10 best autoflowering cultivars you can buy—including revolutionary F1 hybrids, classics, and trendsetting US genetics. Enjoy the best results every time you grow.
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Autoflower cannabis strains have become massively popular among weed cultivators. After all, they grow fast, they're beginner-friendly, and with a healthy injection of modern genetics, they're potent and flavourful to boot. They're also great for growers who want to keep their passion project under wraps, as plants usually stay small and compact. In short, there's a lot to love about autos!
With so much to offer, it's only fitting that we shake up the selection of autos available at Royal Queen Seeds and bring you something from every corner of the cannabis world. That means cutting-edge F1 hybrids, timeless classics, and a handful of modern genetics straight from the US. If you're unsure about growing autoflowering cannabis strains or have been disappointed in the past, then let the ten varieties outlined below restore your faith.
Autos are bigger and better than ever, and we can prove it! Whether you opt for traditional autos or next-gen F1 hybrids, get acquainted with the best autoflowering strains to grow in 2025.
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. Cherry Pie Auto
Cherry Pie weed is some of the tastiest around. So, why not get your hands on those delicious blueberry and candy flavours in even less time than usual? Well, with Cherry Pie Auto, you can do just that, with seeds racing to harvest in just 9–10 weeks after germination. Yes, you read that right. In as little as nine weeks, you'll have up to 450g/m² from indoor plants and 175g/plant from their outdoor counterparts.
Of course, we can't forget about the high. After all, big flavours are only great if they come with equal amounts of euphoria. We're pleased to report that Cherry Pie Auto delivers in spades, providing up to 19% THC and a balanced experience that many describe as uplifting and physically relaxing.
Cherry Pie Auto
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Cherry Pie x Granddaddy Purple Auto |
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400 - 450 gr/m2 |
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70 - 100 cm |
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7 - 9 weeks |
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THC: 19% |
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Sativa 30%, Indica 65%, Ruderalis 5% |
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90 - 175 gr/plant |
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120 - 150 cm |
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9 - 10 weeks after sprouting |
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Balanced, Physically Relaxing, Uplifting |
6. Wedding Cake Auto
If you're in the mood for uplifting euphoria, then this autoflowering variant of the iconic Wedding Cake strain has you covered. Expect bursts of candy and citrus on the inhale, with subtle hints of pine and fruit on the exhale—just like traditional Wedding Cake seeds.
Her performance in the grow room is equally impressive. Plants will be ready to harvest a mere ten weeks after sprouting, which will delight growers in a hurry. However, what’ll really get your pulse racing is the sheer volume of buds possible in that time. Indoors, you can expect 400–450g/m², while outdoor cultivators can achieve 70–120g/plant.
Wedding Cake Auto
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Wedding Cake x BF Super Auto 1 |
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400 - 450 gr/m2 |
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60 - 70 cm |
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7 - 8 weeks |
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THC: 19% |
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Sativa 20%, Indica 75%, Ruderalis 5% |
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70 - 120 gr/plant |
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70 - 100 cm |
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10 – 11 weeks after sprouting |
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Euphoric, Physically Relaxing, Uplifting |
7. Pink Runtz Auto
The Runtz family is synonymous with sky-high potency and candy-like flavours. But what if you could experience both of those qualities in as little as ten weeks from sprouting? Well, with Pink Runtz Auto, your wish is our command. Proving that autos can pack as much of a punch as their photoperiod counterparts, Pink Runtz Auto is teeming with up to 22% THC and a generous helping of terpenes that retain that iconic Runtz fruitiness.
Plants grown under ideal conditions indoors can deliver yields of 450g/m², while outdoor specimens produce up to 175g/plant. Fortunately, all those buds (and their thick resin) won't simply melt your mind, either. The high offers a delicate balance of motivation and euphoria. It's also long-lasting, so expect an afternoon blaze to keep you going well into the evening.
Pink Runtz Auto
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Pink Runtz x Gelato Auto |
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400 - 450 gr/m2 |
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60 - 100 cm |
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7 - 9 weeks |
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THC: 22% |
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Sativa 45%, Indica 50%, Ruderalis 5% |
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90 - 175 gr/plant |
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80 - 140 cm |
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10 – 11 weeks after sprouting |
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Balanced, Long Lasting , Motivating , Uplifting |
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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Watermelon x OG Kush Auto |
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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!
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