Missouri

Possession of Marijuana

Amount Penalty Fines Jail Time Additional penalties that may apply
up to 35 grams misdemeanor up to $1,000 up to one year in jail n/a
between 35 grams and 30 kilogram felony up to $5,000 up to seven years in prison n/a
between 30 and 100 kilogram felony between $5,000 and $20,000 between five and fifteen years in prison guilty of drug trafficking in the second degree

Marijuana Sales

Amount Penalty Fines Jail Time
less than 5 grams felony between $5,000 up to 7 years
between 5 grams and 30 kilogram felony up to $20,000 between 5 and 15 years
between 30 and 100 kilogram felony between $20,000 between 5 and 15 years
100 kilogram or more felony up to $20,000 minimum of 10 years and up to life in prison without probation or parole
500 plants or more felony up to $20,000 minimum of 10 years and up to life in prison without probation or parole

Penalties for Driving Under the Influence of Marijuana

Number of conviction(s) Fines Jail Time License Suspension Additional penalties that may apply
First conviction n/a up to 6 months in jail mandatory 30 days license suspension mandatory participation in a substance abuse traffic offender program
Second conviction (within 5 years) a fine of up to $1,000 mandatory 5 days (and up to one year in jail) at least 2 years of mandatory license suspension 30 days of community service
Third conviction a fine of up to $5,000 mandatory 60 days in jail (and up to 4 years in prison) at least 3 years of mandatory license suspension 60 days of community service
Fourth conviction a fine of up to $5,000 mandatory 60 days in jail (and up to seven years in prison) at least 3 years of mandatory license suspension 60 days of community service
Fifth conviction n/a between 5 and 15 years in prison at least 3 years of mandatory license suspension n/a