Sour Diesel BX2 by Karma Genetics
 
Sour Diesel BX2 is the long-awaited backcross of Karma Genetics' legendary 2007-selected Karma Sour D cut, the very same mother used in the iconic Headbanger strain. This elite backcross (BX2) refines and isolates the best traits of the original KG Sour D, resulting in a high-yielding, incredibly pungent hybrid with intense sour fuel terpenes. With a flowering time of 8-11 weeks and medium to high yields, this strain is a dream for lovers of old-school Sour Diesel but demands experience and precision to cultivate successfully.
 
Strain Information
 
Strain Name: Sour Diesel BX2
Strain Breeder: Karma Genetics
Lineage: KG Sour D x (KG Sour D BX1)
Genetics: Hybrid
Seed Type: Regular
Flowering Type: Photoperiod
Flowering Time: 8-11 weeks
Effect: Strong cerebral high, uplifting, long-lasting with a mild body effect
Aroma: Pungent sour diesel, gassy funk, and earthy citrus
Taste: Sharp sour fuel, tangy citrus, and skunky haze undertones
Height: Medium to tall with strong lateral branching
Yield: Medium to high
 
Strain Description
 
Sour Diesel BX2 is an elite backcross that refines and enhances the classic KG Sour D genetics, intensifying its gassy, sour terpenes and legendary high. This high-yielding powerhouse delivers rock-solid buds coated in trichomes, with a nose-burning sour-fuel aroma that requires strong odor control.
 
The effects are fast-hitting and long-lasting, starting with a strong cerebral rush that enhances creativity and focus, before settling into a mild body relaxation that keeps you engaged without sedation. This is a true sativa-dominant experience, making it perfect for daytime use, productivity, and social settings.
 
However, this strain is not for beginner growers—it requires precise feeding and environmental control to reach its full potential. With expert care, Sour Diesel BX2 can produce some of the finest, most pungent flowers available today.
 
Growing Information
 
Sour Diesel BX2 is a demanding but rewarding strain, requiring skill and close monitoring to maximize its yield and terpene expression.
 
Flowering Time: 8-11 weeks, with some phenotypes finishing faster, while others lean toward a longer haze-style bloom.
 
Growth Structure: Medium to tall height with strong lateral branching, forming long, dense colas.
 
Training Methods: SCROG, LST, and topping help control height and maximize light penetration.
 
Resin Production: Extremely high, making it a top-tier choice for hash and extractions.
 
Yield Potential: Medium to high, with exceptionally dense, resin-rich buds.
 
Climate Adaptability: Prefers warm, stable indoor conditions; outdoors, it thrives in sunny, Mediterranean-like climates.
 
 
Tip from Karma Genetics: This strain has an extremely pungent aroma—strong carbon filtration is required for indoor cultivation.
 
Strain Flavour and Aromas
 
Sour Diesel BX2 delivers one of the most pungent, fuel-heavy terpene profiles on the market, featuring:
 
Sour diesel gas – A nose-burning, skunky, fuel-drenched aroma.
 
Tangy citrus zest – A sharp, lemony kick that enhances the intensity.
 
Earthy haze and skunk – A rich, complex backend with classic diesel funk.
 
 
The smoke is dense and flavorful, lingering with a gassy sour aftertaste, making it a must-try for connoisseurs and terp lovers.
 
Strain Lineage
 
Sour Diesel BX2 is the result of an elite backcrossing project, using:
 
KG Sour D (2007 Selection) – The same mother used in Headbanger, known for its intense sour fuel aroma, high yield, and legendary potency.
 
KG Sour D BX1 – A carefully selected backcross that further refined the structure, potency, and terpene expression of the original KG Sour D.
 
 
This combination isolates the best traits of the original cut, ensuring strong yields, unparalleled terpenes, and a powerful, long-lasting high.
 
Strain Summary
 
Sour Diesel BX2 is a refined, ultra-pungent backcross of the legendary Karma Sour D, delivering intense sour fuel terpenes, high resin production, and an electrifying cerebral high. With a flowering time of 8-11 weeks, medium to high yields, and strong haze-like effects, this strain is perfect for experienced growers, extractors, and true Sour Diesel enthusiasts.
 
For those seeking the ultimate old-school Sour Diesel experience with modern refinement and stability, Sour Diesel BX2 is an elite choice that won’t disappoint.
 
Disclaimer:
All seeds sold at Breeders Collective are strictly intended as souvenirs and for preservation purposes. We do not condone or encourage breaking any laws regarding cannabis. It is your responsibility to research and adhere to the laws in your jurisdiction regarding the purchase, possession, and use of cannabis seeds.