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Top 5 high-yielding autoflowering strains
5 min

Top 5 high-yielding autoflowering strains

5 min

Looking for high-yielding autoflowering cannabis strains? You're in the right place! Autoflowers are easy to grow, fast, and as potent as their photoperiod counterparts. In this article, we highlight top-performing autoflower strains that have the potential to deliver massive harvests. Whether beginner or expert, there's an autoflower for all.

There's no denying the simplicity, versatility, and accessibility of autoflowering cannabis strains. Not only do they deliver a great growing experience, but the buds they produce are just as flavourful, aromatic, and potent as their photoperiod counterparts. You may have heard that autoflowers produce diminished harvests. However, this is simply not the case, and we've compiled a list of super-productive auto plants you'll want to check out. Just keep your largest stash jar on standby; you'll need it!

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What is an autoflowering strain?

What is an autoflowering strain?

Autoflowering strains are a type of cannabis plant that automatically moves from its vegetative stage to the flowering phase as it matures. This is in contrast to photoperiod strains, which require changes in light exposure to prompt this switch from vegetation to flowering. Growers also report various other advantages of autoflowering strains, including simple cultivation, resilience, and achieving multiple harvests in one season. They're also incredibly accessible to newcomers and can be cultivated in a wide range of environments, both inside and outside.

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How To Grow Autoflowers: The Complete Guide

Top 5 high-yielding autoflowering strains

So, if you've been looking for some high-performing autoflowering strains but are unsure of where to start, allow us to be your guide. Below are five picks that show how far autoflowering varieties have come, what you can expect throughout the growing process, and, most importantly, the harvests you’ll receive from these plants.

Trainwreck Automatic (Zamnesia Seeds)

Trainwreck Automatic (Zamnesia Seeds)

Kicking things off is Trainwreck Automatic, a descendant of the massively popular original Trainwreck, which itself derives from Mexican and Thai landraces. Cultivating Trainwreck Automatic is an effortless affair and takes just 11–12 weeks from start to finish. This strain doesn't require too much maintenance and stays pretty low to the ground indoors (100 cm). Outdoors, however, it has the tendency to grow quite tall and can reach up to 300 cm. However, this can easily be tamed with a little LST if need be. Once ready to yield, growers will be met with some sizeable returns. Indoor plants have the potential to produce around 550 g/m², with outdoor plants delivering about 150 g/plant. While Trainwreck Automatic prefers warmer climates during the growing process, it's hardy and will make the most of any place you position it.

The buds produced by Trainwreck Auto aren't just plentiful; they're also flavourful. Each flower is teeming with rich, sweet lemon and lime notes mixed with a little spice and earthiness for the perfect blend. Couple this with a THC content of around 21% and highs that are euphoric, invigorating, and energising, and you've got the Trainwreck Automatic experience down to a tee.

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Trainwreck Automatic (Zamnesia Seeds) feminized
Parents Trainwreck (Mexican x Thai) x Ruderalis
Genetics 30% Indica / 70% Sativa
Flowering Time 11-12 weeks from seed to harvest
THC 21%
CBD Low
Flowering Type Autoflowering

Trainwreck Automatic (Zamnesia Seeds) feminized

Parents Trainwreck (Mexican x Thai) x Ruderalis
Genetics 30% Indica / 70% Sativa
Flowering Time 11-12 weeks from seed to harvest
THC 21%
CBD Low
Flowering Type Autoflowering

Banana Purple Punch Auto (FastBuds)

Banana Purple Punch Auto (FastBuds)

For an autoflowering strain that doesn't hold back, take a look at Banana Purple Punch Auto. This indica-dominant masterpiece showcases not only a great growing experience, but a substantial haul of high-quality buds to boot. In the grow-op, Banana Purple Punch Auto is not fussy and can adapt to any indoor or outdoor space. Growers are treated to an easygoing plant that takes 8–9 weeks from germination to harvest. This quick-growing plant doesn't hang around when it comes to delivering the good stuff. Come harvest, growers can anticipate a haul in the region of about 450–550 g/m² indoors and 200 g/plant outdoors.

The chunky buds produced show off a variety of bright purple, orange, and pink hairs that make this strain a real beauty to behold. These visuals clue you in on how great these buds will taste; flavours of fruity candy lean heavily on notes off strawberry, banana, and gummy sweets, making Banana Purple Punch Auto ideal for a wide range of consumption methods. The effects of this autoflower are also celebrated. Thanks to 26% THC and an array of high-quality terpenes and cannabinoids, users can expect a knockout high that's long-lasting, uplifting, and deeply soothing.

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Banana Purple Punch Auto (FastBuds) feminized
Parents Banana Purple Punch x Ruderalis
Genetics 75% Indica / 25% Sativa
Flowering Time 8-9 weeks from seed to harvest
THC 26%
CBD 0-1%
Flowering Type Autoflowering

Banana Purple Punch Auto (FastBuds) feminized

Parents Banana Purple Punch x Ruderalis
Genetics 75% Indica / 25% Sativa
Flowering Time 8-9 weeks from seed to harvest
THC 26%
CBD 0-1%
Flowering Type Autoflowering

Membrana Hiper Auto (VIP Seeds)

Membrana Hiper Auto (VIP Seeds)

From the team at VIP Seeds comes a robust and resilient autoflowering strain that's perfect for any setup. With its mesmerising appearance set to add a little colour to your grow-op, Membrana Hiper Auto is a cultivar you won't want to miss out on. Originating from St. Petersburg in Russia, Membrana Hiper Auto thrives in even the most extreme conditions and doesn't require much maintenance throughout its 12–13-week growing cycle. Reaching around 160 cm, this strain doesn’t grow out of control but can also be tamed to further control her height. Once ready for harvest, Membrana Hiper Auto showcases yields of up to 650 g/m² inside and up to 500 g/plant outside.

Membrana Hiper Auto’s buds offer up vibrant colours and a fresh, fruity-citrus taste and smell that you won't want to pass up. Whether made into edibles or utilised in long smoking sessions, it is bound to satisfy the palate. With its effects leaning more towards the cerebral side, this potent strain keeps you chatty and contemplative—ideal for sharing with a few friends or for creative solo sessions.

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Membrana Hiper Auto (VIP Seeds) feminized
Parents Membrana Hiper
Genetics 25% Indica / 75% Sativa
Flowering Time 12-13 weeks from seed to harvest
THC High
CBD Unknown
Flowering Type Autoflowering

Membrana Hiper Auto (VIP Seeds) feminized

Parents Membrana Hiper
Genetics 25% Indica / 75% Sativa
Flowering Time 12-13 weeks from seed to harvest
THC High
CBD Unknown
Flowering Type Autoflowering

Big Devil Auto (Sweet Seeds)

Big Devil Auto (Sweet Seeds)

There's nothing to fear about this autoflowering Big Devil. As one of the biggest auto strains on the market today (in more ways than one!), Big Devil Auto is a multi-award-winning cultivar that can reach heights of about 150 cm inside and around 200 cm outdoors. All it takes is a little TLC to tame this devil, and in just 9–10 weeks, the delicious, gigantic, resin-laden buds are all yours to enjoy. Expect yields of about 550 g/m² and up to 250 g/plant indoors and outdoors, respectively.

Smoking these buds offers a nod to old-school strains with classic flavour profiles. The chunky flowers showcase fruity, skunky and incense-like flavours that are complex but complementary. Rounding off this devilish experience is, of course, the effects. With THC levels of about 20%, Big Devil Auto isn't a slouch with its high, providing a potent, creative, and uplifting effect. This is a strain that's ideal for solo use or for enjoying with some close mates or a partner.

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Big Devil Auto (Sweet Seeds) feminized
Genetics Ruderalis/Indica/Sativa
Flowering Time 9-10 weeks from seed to harvest
THC 20%
CBD 0-1%
Flowering Type Autoflowering

Big Devil Auto (Sweet Seeds) feminized

Genetics Ruderalis/Indica/Sativa
Flowering Time 9-10 weeks from seed to harvest
THC 20%
CBD 0-1%
Flowering Type Autoflowering

Forbidden Runtz XL Auto (Growers Choice)

Forbidden Runtz XL Auto (Growers Choice)

Rounding off our lineup of high-yielding autoflowers is Forbidden Runtz XL Auto. If you're after potency, you've got it. If you're seeking massive flavours, you've got it. If you want huge yields, they're right here. All of these are effortlessly achievable, thanks to an easy growing experience that's bound to tick many boxes for prospective growers and stoners. Forbidden Runtz XL Auto stays pretty low to ground throughout the growing cycle, making it ideal for smaller spaces. Able to thrive in most climates, it takes 8–9 weeks before this plant is ready to deliver a huge harvest. With just the basic level of TLC, Forbidden Runtz XL Auto can provide yields of about 650 g/m² indoors, with outdoor projects showcasing a similar amount.

Once those buds have been collected, dried, and cured, it's time to experience the rich, sweet, fruity, and candy-like notes that have made this strain so popular among sweet-toothed stoners. Boasting 30% THC, Forbidden Runtz XL Auto is also massively potent and inflicts a substantial high. Expect long-lasting and uplifting sensations every time you reach for this autoflowering masterpiece.

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Forbidden Runtz XL Auto (Growers Choice) feminized
Parents Forbidden fruit x Runtz
Genetics 70% Indica / 30% Sativa
Flowering Time 8-9 weeks from seed to harvest
THC 30%
CBD Medium
Flowering Type Autoflowering

Forbidden Runtz XL Auto (Growers Choice) feminized

Parents Forbidden fruit x Runtz
Genetics 70% Indica / 30% Sativa
Flowering Time 8-9 weeks from seed to harvest
THC 30%
CBD Medium
Flowering Type Autoflowering

The autoflower advantage: Yields, quality, and simplicity

The autoflower advantage: Yields, quality, and simplicity

As you can see, there is plenty to love about autoflowering strains. From their simplicity to the huge harvests they produce, there's truly something for all with these cultivars. Moreover, we've only scratched the surface with this article, as there are hundreds of autoflowers to explore—but we'll leave that part up to you. Fortunately, you don't have to head to the most remote areas of the earth to pick them up—just head to the Zamnesia store and get your hands on some superb autoflowering seeds right now.

Adam Parsons
Adam Parsons
Professional cannabis journalist, copywriter, and author Adam Parsons is a long-time staff member of Zamnesia. Tasked with covering a wide range of topics from CBD to psychedelics and everything in between, Adam creates blog posts, guides, and explores an ever-growing range of products.
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