Alien OG by Cali Connection

Alien OG strain photo
Type indica/sativaTHC 16.00%Cross Tahoe OG Kush × Alien Kush

4 other breeders' versions of Alien OG — compare flowering times side by side →

Listen, if you were anywhere near the scene in the early 2010s, you couldn't escape the Alien hype. Swerve and the crew at Cali Connection dropped Alien OG, and it hit the community like a freight train. They took the legendary Tahoe OG Kush—a cut already notorious for its devastatingly heavy, lemon-pine knockout power—and slammed it into Alien Kush. Now, that Alien Kush was a beast in its own right, bred from an old Afghani landrace called Alien Technology crossed with Las Vegas Purple Kush. The result? An absolute monster of an indica-dominant hybrid that had growers scrambling for seeds the second they dropped.

In the forums, Alien OG earned a reputation as a heavy hitter that didn't just smell loud—it screamed. Pop a jar, and the room instantly fills with this aggressive, eye-watering funk of sharp pine, chemical lemon floor cleaner, and deep, musky earth. It's that classic, pungent OG profile dialed up to eleven. The high is no joke, either. It starts with a soaring, cerebral rush that tricks you into thinking you're about to get some work done, only to slam on the brakes thirty minutes later and drop you into a deep, heavy couch-lock that you aren't waking up from anytime soon.

In the grow room, she can be a bit of a diva, which is classic OG behavior. She’ll stretch on you if you don't keep her trained, and she demands a solid feeding schedule. But treat her right for those 8 to 9 weeks of flower, and she rewards you with rock-hard, lime-green nuggets completely suffocated in trichomes, with bright orange hairs poking through the frost. It’s a strain that separates the men from the boys in the garden, but when you nail a run of Alien OG, you've got top-shelf, day-ruining fire that holds its own against anything on the market today.

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Similar strains

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BreederCali Connection
Typeindica/sativa
THC16.00%
CBD0.20%
EnvironmentOutdoors
LineageTahoe OG Kush × Alien Kush
DescendantsXenu, Above and Beyond, Kaya's Koffee, Alien Poison, ET OG, Space Ghost, Alien OG, Alien Cookies, Chemdog #4 x Alien OG, Elefante, Deep Breath, Pie Breath, Alien-OG x Alien Bubba, Stratosphere, Alien Abduction, Alien OG, Alien Breath, Alien SinMint, Ripley's OG, Headway, Men in Blackberry, Irene Alien OG, Alien Candy Kush Fast, Pink Abduction, Alien Cookies, Alien OG Kush, Mogwai

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🧬 Explore the family: Tahoe OG Kush · Alien Kush · Xenu · Above and Beyond · Kaya's Koffee · Alien Poison · ET OG · Space Ghost · Alien OG · Alien Cookies

Ancestry Pedigree

Tahoe OG Kush
The Cali Connection
OG Kush
Clone Only Strains
Unknown Strain
Original Strains
Hindu Kush Indica
Original Strains
SFV OG Kush
The Cali Connection
SFV OG
Clone Only Strains
OG Kush
Clone Only Strains
Afghani Nr1
Sensi Seeds
Afghanistan Indica
Original Strains
Afghanistan Indica
Original Strains
Alien Kush
The Cali Connection
Las Vegas Purple Kush
Clone Only Strains
Northern Lights
Unknown or Legendary
Purest Indica
Clone Only Strains
Afghani
Unknown or Legendary
Afghanistan Indica
Original Strains
Hindu Kush Indica
Original Strains
Alien Dog
The Cali Connection
Chemdog
Unknown or Legendary
Indica Sativa
Original Strains
Alien Technology
Obsoul33t Genetics
Afghanistan Indica
Original Strains

Growing Alien OG: what to expect

As an indica-leaning plant, expect a modest stretch after the flip (roughly 50–100%) and dense bud structure — which makes late-flower humidity discipline the main risk: keep RH in the 40s once buds fatten to stay ahead of mold. Growers familiar with Tahoe OG Kush or Alien Kush will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.

Alien OG FAQ

Is Alien OG an indica or a sativa?

Alien OG is listed as indica/sativa.

What are the parents of Alien OG?

Alien OG was bred from Tahoe OG Kush × Alien Kush by Cali Connection.

How strong is Alien OG?

Reported THC for Alien OG is 16.00% and CBD 0.20%. Actual potency depends heavily on environment, harvest ripeness, and cure quality.

What environment does Alien OG like?

Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.

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Facts compiled from public breeder listings. Growing Alien OG? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.