Buying cannabis seeds online in California is legal for adults aged 21 and older, as long as the seeds are intended for personal cultivation. Under , California residents can legally grow up to six plants per residence. Legal Landscape in California (2026)
Online seed banks offer a wider variety of genetics than most local dispensaries, including autoflowering, feminized, and high-CBD strains. Buy Cannabis Seeds in California - DNA Genetics
Adults 21+ (or 18+ with a medical recommendation) can legally purchase and possess cannabis seeds for personal use.
As of early 2026, cannabis seeds are federally legal as "hemp" if they contain less than 0.3% THC. However, a new federal law (Section 781) is set to redefine seeds based on the mother plant's THC content starting November 12, 2026 , which may restrict interstate shipping in the future.
State law caps personal cultivation at six plants per household, regardless of how many adults live there.