Sour Ripper is a feminized, THC-dominant cultivar developed by Ripper Seeds as a refined, stable version of the legendary Sour Diesel line. The breeder emphasizes that this version preserves the essential traits of Sour D, its distinct taste and high potency, while adapting it for modern feminized seed production. The plant features an open structure with long internodes, reduced foliage, and a more compact and appetizing top cola compared to the original Sour Diesel. Indoor flowering lasts 60–70 days (≈8.5–10 weeks, and outdoor harvest occurs in October, producing very high yields.The cultivar is renowned for its powerful psychoactive effects, consistent with the Sour Diesel heritage, which typically expresses elevated THC levels and a sharp, fuel-dominant terpene profile. Its structure and internodal spacing make it adaptable to pruning and training methods like SCROG or topping, though the breeder provides no explicit guidance on nutrient sensitivity or resistance.Sour Ripper has achieved multiple international awards for resin quality and terpene intensity, including First Prize for Sativa at Expogrow 2014, multiple wins at Spannabis (2015 and 2017), and repeated top honors for solventless extracts between 2017–2019 at THC Valencia and Masters of Rosin. These accolades have cemented Sour Ripper’s reputation as one of Europe’s most accomplished diesel derivatives.The cultivar preserves the legacy of the original Sour Diesel, a cornerstone of U.S. cannabis history, by offering a stable, feminized version adapted for European cultivation. Its genetic refinement by Ripper Seeds ensures a continuation of this legendary terpene profile, maintaining its role as a reference cultivar for potency, aroma, and resin excellence .