Expect total taxes on adult use cannabis purchases of 19.25% to 42.75%. 10% tax on flower or extract with 35% THC or less 20% tax on infused products (such as edibles) 25% tax on flower or extract with 35% THC or more 6.25% to 11% state/county/city sales tax (varies statewide) 3% to 6.75% county/city cannabis tax (varies statewide)