Sour Silverback

Sour Silverback Regular Seeds by Karma Genetics is a rare, limited-edition hybrid born from two titans of the cannabis world. This powerhouse cross blends the legendary clone-only GG4 with Karma Genetics’ iconic Sour Diesel Bx2 male—a proven stud responsible for many exceptional hybrids over the years. Sour Silverback thrives with vigor, delivering massive yields of top-tier flower in just 8–10 weeks. Expect robust structure, dense resin coverage, and that unmistakable sour-meets-chem funk inherited from its elite lineage. Lineage Breakdown GG4: Sour Dubb × Chem Sister × Chocolate Diesel KG Sour Diesel Bx2: KG Sour D × (KG Sour D BX1) Perfect for both indoor and outdoor growers, Sour Silverback offers reliability, potency, and serious production potential. Specs Indoor / Outdoor: Suitable for both Flowering Time: 8–10 Weeks Genetics: Hybrid Lineage: GG#4 × KG Sour D Bx2 Yield: High Seed Type: Regular