Montana

Recreational

Legal Status

Recreational

Possession Limit

1 oz in public

Minimum Age

21+

Dispensaries

Open

What's Legal

Public consumption is a civil infraction; consumption is allowed on private property.

1 oz in public

Up to 4 plants per household (2 mature) for personal use

Adult-use cannabis is legal in Montana. Consuming in prohibited public spaces or exceeding possession limits may still result in a civil fine.

For the most up-to-date rules and licensing information, visit the official state agency.

Amount certified by a licensed practitioner; program still being established

Up to a 90-day supply of low-THC products (≤1% THC) under the Compassionate Use Program

Up to 20 oz of low-THC oil (≤5% THC) for registered patients