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Hybrid50/50 to 60/40 Sativa/Indica (phenotype-dependent)18%–26% THC

Sour OG

Also known as: Sour OG Kush, 818 Headband, Sour Kush

Breeder: The Cali Connection

Sour OG is a balanced hybrid that marries Sour Diesel's sharp citrus-fuel top notes with OG Kush's dense, resinous structure and grounded body effect. Available in clone and seed form for over a decade, it gained notoriety as '818 Headband' — named after the San Fernando Valley area code — before the name shifted to Sour OG as it spread beyond California. Often described as a 'one-hit-quit' strain, it delivers an immediate cerebral rush that settles into deep physical relaxation. The cross is prized by breeders for its genetic stability and its ability to reliably pass down greasy resin production and fuel-forward terpene profiles to offspring.

Lineage
Sour Diesel x SFV OG Kush
THC Range
18%–26%
Flower Time
9–10 weeks (65–75 days per breeder; some OG-leaning phenos benefit from the full 70 days for resin maturity)
Difficulty
Moderate / Intermediate

Lineage & Genetics

Cross: Sour Diesel x SFV OG Kush

Parent strains in encyclopedia:OG KushSour DieselSFV OG

Sour Diesel (specifically AJ's cut / 'Asshole Joe' / 'Weasel' — the first cut from AJ's Sour Diesel collection and the precursor to East Coast Sour Diesel) contributes the sharp, acrid citrus-fuel aroma and electrifying cerebral stimulation. SFV OG Kush (San Fernando Valley OG Kush, F4 IBL selection by The Cali Connection) provides dense bud structure, heavy resin output, earthy-pine gas flavor, and grounding indica body effects. The F4 inbred line stabilized the OG traits, resulting in more uniform offspring than a typical poly-hybrid cross.

Lineage Dispute

The Cali Connection's version uses their Original Sour Diesel (AJ's cut, the precursor to ECSD) crossed to an SFV OG Kush F4 IBL male. Multiple breeders offer their own Sour OG versions — Mamiko Seeds uses Sour Diesel Riri x (Sour OG x Illusion OG), and Jaws Gear has a separate release. The generic 'Sour OG' name broadly refers to any Sour Diesel x OG Kush cross, but The Cali Connection's 818 Headband is the original named release and cup winner.

Terpene Profile

DOMINANT

LimoneneSharp sour-lemon acidity driving the citrus-fuel profile

DOMINANT

MyrceneDeep earthy backbone beneath the diesel

SECONDARY

CaryophyllenePeppery warmth emerging mid-palate

SECONDARY

PineneEarthy pine character from the SFV OG parentage

SECONDARY

HumuleneWoody, hoppy depth reinforcing the kush undertone

Aroma: Sharp sour lemon and diesel fuel hit first, followed by deep earthy pine, kerosene funk, and a distinct 'kushy' gas undertone. Some phenotypes express a more fruity profile. The nose is loud — good carbon filtration is essential indoors. Lab terpene data typically shows limonene at 0.4–0.8%, caryophyllene at 0.3–0.6%, and pinene collectively around 0.2–0.4%.

Flavor: Sour citrus and acrid diesel on the inhale with peppery warmth mid-palate. The exhale delivers earthy pine, hashish-like spice, and a lingering lemon-fuel aftertaste. Some cuts lean toward a buttery, cheese-adjacent sweetness on the backend. The flavor holds well through combustion and vaporization due to high liquid-phase terpene concentration.

Effects & Experience

Onset: Fast — within 2–5 minutes. Begins with a bright, euphoric head rush and temple pressure (the 'headband' sensation the 818 name references).

A cerebral, energized, chatty high transitions over 30–45 minutes into a deep, full-body relaxation that can reach couchlock at higher doses. At moderate intake the effect is clear-headed and functional; heavier sessions tilt decidedly sedative. Users report happiness, creativity, and social ease in the first phase, followed by physical calm and appetite stimulation.

Duration: 2–3 hours typical. The cerebral phase lasts roughly 45–60 minutes before the indica body stone dominates for the remainder.

Commonly Reported Uses

Stress reliefDepressionAnxietyPain managementAppetite stimulationEvening wind-down

Growing Characteristics

Flower Time
9–10 weeks (65–75 days per breeder; some OG-leaning phenos benefit from the full 70 days for resin maturity)
Yield (Indoor)
400–600 g/m² (breeder claims 600+ g/m²; advanced setups with CO2 can push beyond 650 g/m²)
Yield (Outdoor)
500–800 g/plant in 30–50 gallon containers; higher in-ground with long veg
Difficulty
Moderate / Intermediate
Height
Medium to tall; vigorous stretch in early flower — expect 1.5–2x height gain after flip. SFV OG phenos stay more compact; Sour Diesel phenos stretch considerably.
Environment
Indoor or outdoor. Prefers warm, temperate to Mediterranean climates. Needs strong airflow and carbon filtration due to extreme odor. Moderate humidity tolerance but benefits from lower RH (40–50%) in late flower to protect dense colas from mold.

Grow Tips: Two main phenotypes emerge: a taller, stretchier Sour Diesel-leaning pheno with earlier aroma expression and a head-forward effect, and a shorter, tighter OG-leaning pheno with denser colas and heavier body stone — select based on your goals. Top early and use trellis netting (SCROG) to manage stretch and support heavy colas in late flower. LST responds well. Heavy feeder — maintain adequate EC through mid-flower, then reduce in the final 10–14 days for a clean finish that preserves the bright terpene profile. Harvest timing is critical: target mostly cloudy trichomes with 10–15% amber for balanced effects. Letting it go too long shifts heavily sedative. Outstanding resin producer — trichome coverage starts early and coats surrounding sugar leaves in wet frost. The greasy, gritty trichome texture makes it a strong candidate for ice water hash and rosin extraction. Watch for hermaphrodite tendencies under stress — Sour Diesel lineage can carry intersex traits. Maintain stable environment and inspect regularly. SOG method works well indoors due to the growth pattern, particularly with the OG-leaning phenotype.

History & Origin

The Cali Connection created Sour OG by crossing their Original Sour Diesel cut (AJ's cut — the first selection from AJ's legendary Sour Diesel collection and the precursor to East Coast Sour Diesel) with their SFV OG Kush F4 IBL male. The strain was originally dubbed '818 Headband' as a nod to the San Fernando Valley's area code and the team's home turf. It gained national recognition after winning 1st Place in the Hybrid category at the 2011 High Times Medical Cannabis Cup in Detroit, Michigan. The name gradually shifted to 'Sour OG' as the strain spread beyond California. Multiple breeders — including Mamiko Seeds and Jaws Gear — have since released their own Sour Diesel x OG Kush crosses under the Sour OG name, but The Cali Connection's 818 Headband remains the original named and awarded version.

Awards & Recognition

  • 1st Place, Hybrid Category — 2011 High Times Medical Cannabis Cup, Detroit, MI (The Cali Connection)
  • 9th Place, Hybrid — The Karma Cup 2018 (grown by ZiggyBudz)
  • 9th Place, Mixed Light/Greenhouse — The Emerald Cup 2017 (grown by Humboldt Redwood Healing)
  • 24th Place, Outdoor — The Emerald Cup 2016 (grown by RxC San Diego)

Notable Crosses

Strains bred using Sour OG as a parent:

Original Sour DieselSour Diesel x Sour OG
Sour Diesel KushOriginal Sour Diesel x Sour OG
Sour FireSour OG x Fire OG Bx
Method OGSour OG x FAW
Rising SunSour OG x GMO Fuel
Sour BubbaSour OG x King Bubba
Hoosier Headband818 Headband x Purple 710 Gum
Rebel SourLeafly-listed cross
OG Sour DieselLeafly-listed cross
Sources & References (11)
  1. SeedFinder.eu — The Cali Connection Sour OG (breeder description, lineage tree, cannabinoid profile, awards, grow reviews): https://seedfinder.eu/en/strain-info/sour-og/the-cali-connection
  2. SeedFinder.eu — Mamiko Seeds Sour OG: https://seedfinder.eu/en/strain-info/sour-og/mamiko-seeds
  3. Leafly — Sour OG strain page (THC, effects, grow info, user reviews): https://www.leafly.com/strains/sour-og
  4. Weedmaps — Sour OG strain page (history, 818 Headband alias, breeder attribution): https://weedmaps.com/strains/sour-og
  5. Herbies Seeds — 818 Headband by Cali Connection (genetics, flowering time, awards): https://herbiesheadshop.com/cannabis-seeds/818-headband-cali-connection-seeds
  6. Pure Sativa — 818 Headband aka Sour OG (lineage, cup placings): https://www.puresativa.com/818-headband-aka-sour-og-female-cannabis-seeds-by-the-cali-connection
  7. KindGreenBuds — Sour OG strain profile (THC range, terpenes, yield, grow difficulty): https://kindgreenbuds.com/marijuana-strains/sour-og/
  8. JointCommerce — Sour OG comprehensive guide (terpene lab data, growing detail, phenotype archetypes): https://app.jointcommerce.com/blog/category/cannabis-101/sour-og-strain-a-comprehensive-strain-guide/
  9. CannaRadar — Sour OG strain profile (effects, flavors, growing info): https://cannaradar.ca/leaf-lab/sour-og
  10. The Lodge Cannabis Denver — Sour OG review (818 Headband history, 2011 Cup win): https://thelodgecannabis.com/strains/sour-og/
  11. Strainpedia — Sour Kush profile (resin/wash characteristics): https://www.strainpedia.com/sour-kush/

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