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Sour Alien Auto
High-potency hybrid autoflower with euphoric and uplifted effects and vigorous hybrid bud production. Ideal for intermediate growers seeking potency and reliable yields.
βFlavor:Pine, sweet citrus, earthy musk
Grower tip: Use a smart pot from seed, no transplant shock
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About Sour Alien Auto
The genetic expression of Sour Alien, a 40/60 hybrid, varies meaningfully across phenotypes. Most seeds from this line produce the dominant phenotype: a moderate frame that branches well and produces evenly developed colas with a mix of density and airflow. But expect variation, roughly 1 in 4 plants will lean more strongly in one parental direction, which is part of what makes pheno-hunting this strain interesting. THC testing at 27% across phenotypes, with Caryophyllene consistently dominant.
Genetic Expression in the Grow Room
The dominant phenotype, which appears in roughly 70-75% of seeds, produces a balanced frame that takes to training intuitively. The branching pattern suggests hybrid vigor, aggressive enough to fill space without becoming unmanageable. Flower structure falls between dense and airy, which provides a good balance of bag appeal and mold resistance.
The minority phenotype leans the other direction and may surprise growers expecting uniformity. Flowering completes in 65-75 days across phenotypes. Yield: up to 300 g/m2 indoor, up to 200 g/plant outdoor. Height: Short. Rated intermediate, the phenotype variation adds a layer of interest without adding significant difficulty. Growing from regular seeds with autoflowering genetics.
Effects and Use
At 27% THC, Sour Alien delivers euphoric, uplifted, calm effects with a caryophyllene-influenced character. The onset is balanced, head and body arrive together and remain proportional throughout a 2-3 hour duration. This makes the strain adaptable to different situations depending on dose. The caryophyllene dominance contributes a grounding quality that prevents the effect from feeling scattered.
Terpene Profile
Dominant terpenes: Caryophyllene (primary), Limonene (secondary), Myrcene (tertiary). This combination produces a nose that develops complexity through the cure, expect the primary caryophyllene character to emerge first, with limonene and myrcene notes adding layers over 3-4 weeks in jars.
Who Should Grow Sour Alien
Best suited for growers who value speed and simplicity, autoflowering genetics mean no light schedule changes, compact plants, and harvest in 10-12 weeks from seed. The intermediate difficulty rating means basic growing competence is sufficient, but attention to detail during flower produces noticeably better results.
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Sour Alien Strain Review
Want the full breakdown of effects, lineage, terpene profile, and a complete grow guide? Read our in-depth Sour Alien strain review.
Sour Alien Auto, Cannabinoid & Terpene Reference
Reference ranges aggregated from breeder documentation and catalog specifications. Total THC reported as max-potential (THC + 0.877 Γ THCA). Individual seed-lot expression may vary by 1-3 percent.
- Total THC
- 27.3%
- CBD
- 0.10%
- Top Terpenes
- Caryophyllene, Limonene, Myrcene
Sour Alien Auto, Aggregated Grower Yield Reports
Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Sour Alien Auto autoflower seeds. First-time growers should expect 70-85 percent of these numbers.
| Setup | Yield |
|---|---|
| 4Γ4 tent, 600W LED, LST | 181g |
| 5Γ5 tent, 730W LED, ScrOG | 181g |
Sour Alien Auto, Sourcing & Genetics
- Release Era
- Modern stabilized line
- Parent Genetics
- Alien Kush Γ Sour Diesel
- Lineage Notes
- Sour Alien (aka Sour Alien OG) was bred by The Cali Connection by crossing Alien Kush with Sour Diesel, resulting in an indica-dominant hybrid with a pine, apple and diesel nose.
- Recommended US Climate
- Versatile across all US climates, 8-10 week cycle works in any growing window from Maine to Hawaii.