Highest Yielding Autoflower Strains for Big Harvests
For anyone growing cannabis at home, the dream is to harvest as much bud as possible without too much effort. High-yielding autoflower strains make this easier. They begin flowering on their own after just a few weeks and finish much faster than regular photoperiod plants.
Over the years, breeders have developed autoflowers that are not only quick but also highly productive. Some can deliver half a kilo or more per square meter, which is impressive for such compact plants.
So what is the highest yielding autoflower strain? The answer depends on where and how you grow, but a few proven strains are known for especially big harvests.
Why High-Yielding Autoflowers Are Worth It
- They finish fast, often in 8 to 11 weeks from seed to harvest.
- They stay compact, which is great for small spaces or discreet gardens.
- They are hardy and can handle changes in the environment.
- In warm outdoor climates, you can grow more than one crop per year.
With the right genetics and simple care, even new growers can achieve strong results.
Top 10 Highest Yielding Autoflower Strains
There are many autoflowers on the market today, but only a few stand out for their truly impressive harvests. These strains bring together strong genetics, easy growth, and reliable production. Whether you are growing indoors under lights or outdoors in the sun, the following ten autoflowers are proven to deliver some of the biggest yields.
Bruce Banner #3 Auto
- Autoflowering
- 550 - 650 g/m² indoors
750 - 850 g/plant outdoors - Unwinding blast of creativity
Bruce Banner #3 Auto is one of the strongest and most productive high yielding autoflower strains available today. Indoors it delivers 550–650 g/m², while outdoors plants can reach 750–850 g each. It grows up to 140 cm tall, finishes in 60–70 days, and produces buds with up to 26% THC. The high starts with uplifting Sativa energy before easing into a relaxing Indica calm.
Blueberry Glue Auto (Glueberry Auto)
- Autoflowering
- 600 - 650 g/m² indoors
700 g/plant outdoors - Enlightened mind
Blueberry Glue Auto combines Blueberry, Gorilla Glue, and OG Kush genetics for both potency and yield. Indoors it produces around 650 g/m², and outdoors up to 700 g per plant. With THC levels around 21%, it delivers a balanced body and mind high, accompanied by sweet blueberry flavours with hints of pine. This strain is a perfect example of a high yield autoflowering seed that also brings excellent flavour.
GG#4 Original Glue Auto
- Autoflowering
- Psychoactive journey
- 600 g/m² indoors
800 g/plant outdoors
GG#4 Original Glue Auto is one of the best yielding autoflower strains, producing up to 600 g/m² indoors and 800 g per plant outdoors. With THC levels that often exceed 25%, it offers a balanced Indica/Sativa effect — uplifting and mood-boosting at first, then relaxing and soothing.
Tangie’matic Auto
- Autoflowering
- Euphoria and flight of fantasy
- 400 - 550 g/m² indoors
50 - 250 g/plant outdoors
Tangie’matic Auto is a tall, Sativa-dominant autoflower that grows 120–150 cm and delivers 650 g/m² indoors or around 350 g outdoors. THC content reaches 21–23%. Known for its citrus aroma and tangerine flavour, it provides a cerebral, energetic, and creative high that’s great for daytime use.
Monster Bruce Banner Auto
- Autoflowering
- Carried by the flow
- 550 g/m² indoors
700 g/plant outdoors
Monster Bruce Banner Auto lives up to its name with yields of 550 g/m² indoors and up to 700 g per plant outdoors. THC levels reach 25%, while the flavour is a mix of diesel, spice, and earth with sweet undertones. The effects lean toward a powerful, relaxing body stone that gradually turns into deep calm.
Critical Neville Haze Auto
- Autoflowering
- Energy booster for a lazy
- 600 g/m² indoors
400 g/plant outdoors
Critical Neville Haze Auto combines the resin production of Critical with the uplifting power of Neville Haze. It yields 600 g/m² indoors and about 400 g outdoors, with THC levels around 21%. Its effects are euphoric, energetic, and long-lasting, while the flavour is sweet, fruity, and pungent.
LSD Auto
- Autoflowering
- 650 g/m² indoors
400 g/plant outdoors - Psychedelic quest
LSD Auto is an Indica-dominant autoflower with impressive yields of 650 g/m² indoors and up to 400 g outdoors. THC levels reach 23%, producing a psychedelic high mixed with deep body relaxation. Flavours are citrusy and tropical with notes of mango and sour-sweet undertones.
Z OG Auto
- Autoflowering
- Cosmic calm
- 600 g/m² indoors
400 g/plant outdoors
Z OG Auto is a balanced 50/50 hybrid that delivers 600 g/m² indoors and 400 g per plant outdoors. THC content ranges from 20–23%. Expect fruity and citrus flavours with berry notes. The effects are balanced — relaxing the body while keeping the mind engaged and uplifted.
Watermelon Z Auto
- Autoflowering
- Euphoric mindset
- 550 g/m² indoors
600 - 700 g/plant outdoors
Watermelon Z Auto is both productive and tasty, yielding 550 g/m² indoors and 600–700 g per plant outdoors. The aroma is sweet and fruity with strong watermelon notes. Its uplifting, energizing high makes it a perfect choice for daytime use, bringing both mood-boosting and relaxing effects.
Auto Skywalker Haze
- Autoflowering
- Very High
- Refreshing and strong
Auto Skywalker Haze is a Sativa-dominant powerhouse with indoor yields of 450–550 g/m². Outdoors it also performs strongly with heavy harvests. With THC levels above 20% and a blueberry-citrus flavour, it is often listed among autoflower strains high yield, producing an energetic, euphoric high that slowly settles into pleasant relaxation.
Simple Tips to Get the Most Out of High Yield Autoflower Strains
- Use good quality grow lights indoors for 18 to 20 hours each day.
- Try gentle training methods, like bending branches, to let in more light.
- Feed lightly, as autoflowers usually need fewer nutrients than photoperiod strains.
- Plant seeds directly in their final pots to avoid stress.
With these basics, even new growers can achieve impressive results.
Final Thoughts
Autoflowers today are no longer just quick and small. With the right cannabis seeds and a little care, they can bring harvests that surprise even experienced growers. These high yielding autoflower strains prove that good results can come fast and with less effort, making them a reliable choice for anyone aiming for strong yields in a short time.
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