Compact autoflower strains are an obvious solution if you have limited space. While most autoflowers generally stay on the smaller side, certain genetics have been bred to maximize a short stature.
In this article, we'll look at some of the shortest-growing Autoflowers that we have in our collection.
1. Blue Cheese Autoflower (40 - 70 cm)
Blue Cheese Auto is an easy-to-grow strain that reaches 40-70 cm indoors and 60-110 cm outdoors, producing intense fruity and cheesy aromas that require strong odor control.
The flavor profile combines berries and cheese with a signature Blue Cheese aftertaste. The upbeat, potent effects are relaxing and rejuvenating.
Here's what Adam, who is one of our customers, had to say:
If you are not in a hurry are when you are looking for a plant that needs little maintenance, then these blue cheese autoflowers are an absolute must. I really enjoyed the plant. Especially the beautiful development of the tops were breathtaking. The weed is pretty powerful, but not too powerful. Nice and fruity too!
2. Lowryder Auto (30-45cm)
As the name suggests, Lowryder Auto is a compact and resilient auto-flowering hybrid. Despite growing only up to 45cm in size and having a 7-8 week flowering time, this strain can produce up to 120g/m2 indoors and 90g per plant outdoors.
Lowryder Auto has an earthy, spicy scent with sweet citrus undertones. With its moderate 14% THC level, it delivers uplifting mental stimulation followed by lovely deep muscle relaxation.
The calming effects make Lowryder Auto excellent for social gatherings or unwinding after work. The plant thrives indoors under an 18/6 light cycle or outdoors in a guerilla style.
3. Diesel Autoflower (40 - 70cm)
Diesel Auto is a compact powerhouse, perfect for tight spaces. Growing just 40-70cm indoors (and up to 110cm outdoors), it’s a great choice for those looking to maximize yield in minimal space.
The signature gasoline aroma with hints of citrus, earthy, and pine will make your grow space smell like a fresh adventure.
With up to 25% THC, this Sativa-dominant strain brings an energizing buzz with a relaxing body effect, making it a solid option for any grower looking for a small yet mighty plant!
4. Santa Maria Autoflower (40 - 80cm)
Santa Maria Auto is the perfect pick for growers looking for a compact plant with big potential. Reaching just 40-80cm indoors and 80-120cm outdoors, this strain fits nicely in small spaces without sacrificing yield. It’s beginner-friendly, too!
Expect a sweet, fruity aroma with citrus and floral notes, rounded off by an earthy lavender aftertaste. With 12% THC and 0.7% CBD, Santa Maria Autoflower brings a mellow vibe and a solid harvest, making it a top choice for any small grower.
5. AK-48 Autoflower (50 - 70cm)
AK-48 Auto is a sturdy, medium-sized strain that’s perfect for tight spaces. Growing between 50-70cm indoors and 60-90cm outdoors, it’s a solid choice for those looking to pack a punch in a small footprint.
With its sweet, spicy aroma and mango notes, this plant offers a great experience without taking up too much room. It’s also tough, resisting mold and humidity, so it’s a low-maintenance option that fits well into any small grow setup.
6. Purple Haze Autoflower (50 - 70cm)
Purple Haze Auto grows 50-70cm indoors and up to 120cm outdoors. It flowers quickly in 56-63 days with vivid purple buds. Cooler 20°C nights and warmer 25°C days enhance purple hues.
The exotic aroma has sweet, earthy, tropical berries and spicy notes. The fruity flavor lingers. The potent high is euphoric, psychedelic, and creativity-boosting.
7. Blue Dream Autoflower (50 - 75cm)
Blue Dream Auto is a vibrant, fast-flowering Sativa-dominant strain that’s perfect for small grow spaces. Growing compactly between 50-75cm indoors and up to 125cm outdoors, it’s a great choice for growers who want a bushy, colorful plant without needing a ton of room.
The plant’s dominant blueberry aroma with tropical fruit and earthy notes makes it a treat for the senses. With 19% THC, it offers a balanced experience, keeping you active and social while enjoying a nice, mellow vibe.
Plus, it’s mold-resistant, making it a breeze to grow for both beginners and pros alike.
8. Critical Autoflower (55-65cm)
Critical Auto is the perfect choice for small spaces, growing just 55-65cm indoors (and up to 1 meter outdoors). With its quick 56-63 day life cycle, this easy-growing strain fits right into tight spots without a hitch.
The sweet, lemony aroma paired with a woody flavor makes it a delight to grow and enjoy. It’s a resilient little plant that delivers solid yields, making it ideal for growers looking for a compact but efficient strain.
Whether you're a beginner or an expert, Critical Autoflower is a solid pick for small-space growing.
9. Zkittlez Autoflower (60 - 75cm)
Zkittlez Auto is a sweet and sturdy strain that’s perfect for small grow spaces. Growing just 75cm indoors and 100cm outdoors, it’s compact but packs a punch. With its candy and fruit flavor, featuring citrus and kush notes, it’s a treat for the taste buds.
This strain thrives with a bit of TLC—supporting branches during flowering and keeping it well-fed with calcium and magnesium. It’s ideal for growers of all levels who want a colorful, flavorful plant that doesn’t take up much room!
10. Critical Purple Autoflower (60 - 100cm)
Critical Purple Auto is a compact powerhouse that is perfect for small grow spaces. This Indica-dominant hybrid grows up to 1m indoors and 120cm outdoors, making it an ideal choice for tight spots.
With a quick 7-8 week flowering time, it delivers high yields—400g per m² indoors and 200g per plant outdoors. The sweet, earthy, citrusy aroma with cedarwood notes adds a pleasant touch to your grow.
Plus, its autoflowering genetics make it super easy to cultivate without worrying about light cycles, giving you more time to enjoy the process.
Looking For More Short Autoflowers For Your Small Grow Space?
We hope you found the perfect short autoflower strain that will fit your grow space.
If you need more options, please check out our full range of autoflower marijuana seeds for sale. Autoflowers in general stay relatively small compared to photoperiod seeds and are perfect for grow tents and small spaces.
Happy growing!
