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Runtz Auto by Bluedog Genetics delivers a fast, flavorful, and powerful grow with just 8 weeks from seed to harvest.
This compact, easy-to-grow strain hits hard with up to 24% THC and bursts with sweet tropical and citrus flavors.
Perfect for growers who want big effects and bold aromas in little time.
Runtz Auto Strain Info
Ever dreamed of smoking a tropical fruit tart while lying on a sunny beach, feeling like everything’s just... easy?
The Runtz Auto strain is exactly that—an exotic dessert with a twist of citrus and a big dose of good vibes, packed into one compact little plant.
Born from the genius of Bluedog Genetics, this hybrid blends the balanced genetics of 50% indica and 50% sativa with the autoflowering kick of Ruderalis, making it a true all-rounder.
It’s the kind of cannabis seeds you grab when you want the best of both worlds—uplifting yet chill, fruity but potent, fast but rewarding.
Don’t let the word “auto” fool you—Runtz Auto isn’t some watered-down version of the original Runtz.
These autoflowering cannabis seeds hit hard with THC levels ranging from 20% to 24%, delivering a proper head high that melts into a happy body buzz.
And the best part? You don’t need to be a seasoned grower to get amazing results.
Flowering Time & Yield
Runtz Auto goes from seed to harvest in just 8 weeks, making it a quick win whether you're growing indoors or outside.
Indoor growers can expect around 450–550 grams per square meter (15.8–19.4 oz/yd²) of sticky, aromatic buds.
Outdoor plants stay discreet and manageable, reaching between 90 and 120 cm (2.9–3.9 ft) and offering 50–150 grams per plant (1.7–5.3 oz).
It's a fast, juicy harvest packed with flavor, color, and that sweet, sweet resin.
Effects and Aroma
This is not the strain you smoke and forget—Runtz Auto is the kind of bud that makes you laugh mid-bite of your favorite snack.
Expect a euphoric lift-off followed by waves of happiness, a case of the giggles, and the infamous munchies sneaking up on you when you least expect it.
Perfect for lighting up during chill sessions with friends or unwinding after a long day, this strain brings out your inner extrovert.
The aroma is out of this world—sweet, fruity, tropical, with sharp citrus notes and hints of baked pastries that make your mouth water before you even spark it up.
Breaking the buds unleashes an explosion of fresh fruit, tropical candy, and a citrus bakery that clings to your fingers and lingers in the air.
It's like a fruit stand and a dessert shop had a lovechild... and it got you high.
Visually, the buds are just as seductive—dense, compact, and drenched in trichomes, with pops of purple and pink that make every nug feel like eye candy.
Grow Tips & What We Love About Runtz Auto
If there's one thing we love about Runtz Auto, it’s how it packs so much personality into such a compact, manageable plant.
It’s not just easy on the eyes, it’s also surprisingly resilient, with a natural resistance to common pests and mold that makes growing feel less like a gamble and more like a guaranteed win.
This strain thrives in warm climates, ideally between 20–28°C (68–82°F), and doesn’t mind a bit of indoor hustle as long as it gets fresh air and enough light.
With its short stature and quick cycle, it’s a perfect choice for balconies, small grow tents, or stealth outdoor setups.
We recommend sticking to moderate watering and balanced nutrients—this girl doesn’t ask for much, but she’ll reward good care with heavy, frosty buds.
While it’s beginner-friendly, a bit of LST (Low Stress Training) can go a long way to open up the canopy and fatten up those buds.
Just don’t go crazy with pruning—its fast cycle means you want to keep stress to a minimum.
Honestly, what blows us away most is how this autoflower manages to feel like a premium photoperiod strain, but without the long wait or hassle.
Runtz Auto Strain Characteristics
Seed Type: Feminized Autoflowering
Genetics: 50% Indica / 50% Sativa + Ruderalis
THC Content: 20%–24%
CBD Content: Low
Indoor Yield: 450–550 g/m² (15.8–19.4 oz/yd²)
Outdoor Yield: 50–150 g/plant (1.7–5.3 oz)
Indoor Height: 50–80 cm (1.6–2.6 ft)
Outdoor Height: 90–120 cm (2.9–3.9 ft)
Flowering Time: 8 weeks
Suitable Climate: Warm
Difficulty: Easy to moderate
Resistance: High resistance to pests and mold
Effects: Euphoric, relaxed, happy, talkative, munchies, laughing
Flavors: Sweet, fruity, tropical, citrus, pastry
Aroma: Intense, fruity, tropical, citrus, bakery-like
Therapeutic Uses: Boosts appetite, helps relieve anxiety
Frequently Asked Questions
Is Runtz Auto sativa or indica?
Runtz Auto is a perfectly balanced hybrid with 50% indica and 50% sativa genetics, plus autoflowering Ruderalis influence.
That means it offers the best of both worlds—the uplifting, cerebral high of a sativa and the body relaxation and calm of an indica.
Sativa strains tend to be energizing and better for daytime use, while indicas are more calming and often preferred in the evening.
Runtz Auto rides that line beautifully, making it ideal for all-day enjoyment depending on your dose.
How long does Runtz Auto take to flower?
Runtz Auto completes its entire lifecycle in just 8 weeks from germination to harvest.
That includes both vegetative and flowering phases, thanks to its autoflowering nature.
What does Runtz Auto look like during growth?
It stays compact and sturdy, usually between 50–80 cm (1.6–2.6 ft) indoors and 90–120 cm (2.9–3.9 ft) outdoors.
The buds are dense, colorful, and covered in sticky resin, with flashes of green, purple, and pink under the trichome layer.
Is Runtz Auto good for beginners?
Yes, this strain is great for beginners thanks to its short height, fast cycle, and natural resistance to pests and mold.
It doesn’t need much training, and minimal pruning keeps things simple and stress-free.
How much can I expect to harvest from Runtz Auto?
Indoor yields range from 450 to 550 grams per square meter (15.8–19.4 oz/yd²).
Outdoors, each plant can give you 50 to 150 grams (1.7–5.3 oz), depending on conditions and care.