Michigan Cannabis Laws for Travelers

Possession limits, transport rules, and where you can legally consume in Michigan.

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Adult-Use Legal

Quick Facts

Public Possession

2.5 oz (71g) flower; 15g concentrate

Home Possession

10 oz (283g) flower at home beyond what you grew

Transport Rules

Must be in sealed container, not accessible to driver. Indiana border is zero-tolerance — do not cross with cannabis. Note: crossing into Ohio is also a federal crime regardless of Ohio's own adult-use laws.

Medical Reciprocity

No Reciprocity

Michigan does not recognize out-of-state medical cannabis cards. Visitors purchase from adult-use retail.

Dispensaries & Purchasing

Licensed adult-use retailers statewide. Detroit, Ann Arbor, Grand Rapids, and Lansing have significant retail presence. Delivery available in many areas.

Purchase limit: 2.5 oz flower per transaction

Where You Can Consume

Where the property owner permits. No smoking in vehicles. Some private events and venues allow on-site consumption — verify the venue's policy.

Key Facts for Travelers

2.5 oz public possession limit — higher than most states
Michigan has a large and competitive adult-use market
Ann Arbor has historically been cannabis-friendly
Indiana border: zero tolerance — active enforcement
Home cultivation allowed: up to 12 plants per household
No state-licensed consumption lounges as of 2026

Never Cross State Lines with Cannabis

Transporting cannabis across any state line is a federal crime under the Controlled Substances Act, regardless of laws in both states. This applies to driving, flying, and mailing. Penalties range from fines to felony charges.

Frequently Asked Questions

Can tourists buy weed in Michigan?

Yes. Adults 21+ with any valid government-issued ID can purchase from Michigan licensed adult-use retailers.

Is Ann Arbor cannabis-friendly?

Ann Arbor has historically had lenient cannabis policies and has multiple licensed dispensaries. However, public consumption is still technically illegal per state law.

Can I drive from Michigan to Ohio with cannabis?

No. Crossing any state line with cannabis is a federal crime under the Controlled Substances Act, regardless of either state's own laws. Do not transport cannabis across any state border.