Abstract
Hemp (
Cannabis sativa
) seed germination can be variable and unreliable. Exposure of seeds at 7 days postharvest for 10 minutes in sulfuric acid increased germination percent for ‘Tsunami’ but not for ‘Cherry Wine’ × ‘Tsunami’ or ‘Tangerine’ × ‘Tsunami’. Seeds stored dry in plastic bags at room temperature (20 °C) for 60 days lost germination ability, but seeds undergoing cold (4 °C) moist stratification had maintained germination ability at >75% germination. Cold moist stratification for 30 to 60 days or exposure for 10 minutes to sulfuric acid may increase germination for recalcitrant hemp seed like ‘Tsunami’.