Exclusive Breeders
PSGX
Justin Lehmann is a globally respected 5th-generation American farmer, geneticist, horticulturist, and breeder with nationwide, zone-fluent expertise across multiple crops. Specializing in cannabis and hemp, he focuses on indoor/outdoor full-expression lineage breeding through rigorous, lab-tested selection. With years of hands-on experience from basements to professional operations across Hawaii, New York, the Midwest, California, and Nevada, Justin brings unrivaled plant knowledge and next-generation exotic hybrid genetics to growers worldwide. PSGX (Prairie State Genetix) seeds are now grown globally and will remain garden staples for the next decade+. Never relying on awards, famous regions, or marketing hype, PSGX has built its success on stable, high-quality genetics and genuine plant honesty. Since 2020, Justin has been a trusted underground voice in cannabis — a true people’s champion seed brand.
