The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 8232Sativa

Old Red Sour by Old School Genetics

Vintage Sativas × Thai Chi × Pakistan Chitral Kush

Old Red Sour is a sativa-dominant strain developed by Old School Genetics, integrating classic landrace traditions with modern breeding. It is recognized for its uplifting and mood-enhancing qualities, stemming from a lineage focused on cerebral stimulation.

AromaSourCitrusEarthyPineHerbalPungent

Appearance

Old Red Sour buds are visually striking, characterized by dense formations and a vibrant color palette featuring deep reds, forest greens, and occasional purple hues. They are coated in a crystalline layer of trichomes, indicating significant resin content and potency. The buds often display a conical structure, complemented by long pistils, and maintain consistent density and color, reflecting the strain's well-stabilized genetics.

Aroma & Flavor

The aroma of Old Red Sour is potent and complex, beginning with a strong sour tang reminiscent of aged citrus, layered with earthy undertones. Additional notes of resinous pine and subtle herbal accents contribute to its invigorating scent profile. The flavor follows suit, offering an initial burst of sour citrus that evolves into earthy and pine-like tastes, finishing with a smooth, lingering sweetness described as similar to tart berries and caramel.

Effects

This sativa-dominant strain is known for delivering cerebral and energetic effects, promoting focus and creativity. Users often report an uplifting mood enhancement, making it suitable for daytime use when a boost in mental clarity and motivation is desired. Its profile is designed to provide a clean, invigorating experience without significant sedation.

Terpenes & Cannabinoids

Old Red Sour typically exhibits THC levels ranging from 18% to 25%, averaging around 21%, positioning it as a potent sativa option. CBD content is generally below 1%, aligning with its intended use for psychoactive stimulation. Key terpenes identified in its profile include Myrcene, Limonene, Caryophyllene, Linalool, Pinene, and Humulene, contributing to its distinct aroma, flavor, and effects.

Origins & Lineage

Bred by Old School Genetics, Old Red Sour has a heritage rooted in classic landrace sativa traditions blended with modern breeding techniques. It is predominantly sativa, with over 80% of its genetic traits derived from historically robust sativa lines, aiming to capture uplifting and mood-enhancing qualities. Its lineage shows influences from strains like Thai Chi and Pakistan Chitral Kush.

Growing

While specific growing details are not extensively detailed, Old Red Sour's genetic background suggests a robust plant structure suitable for both indoor and outdoor cultivation. Its sativa dominance implies a potentially longer flowering period and a need for adequate space. The consistency in bud appearance suggests a well-stabilized strain that responds well to cultivation efforts.

Frequently asked questions

Who bred the Old Red Sour strain?
Old Red Sour was bred by Old School Genetics.
What is the THC content of Old Red Sour?
Old Red Sour typically has THC levels between 18% and 25%, averaging around 21%.
What are the primary effects of Old Red Sour?
The primary effects are cerebral, creative, energetic, and focused, often leading to an uplifting mood.
What flavors and aromas can be expected from Old Red Sour?
Expect a complex profile with sour citrus notes, earthy undertones, pine, and herbal hints, with flavors evolving from sharp and invigorating to a smooth sweetness.