Michigan / Adult-use rules
Michigan basics
Know the rules.
What Michigan law says about age, amounts, home grow, where you can use cannabis and how to store it. Every point links to the official text.
As of November 9, 2026 · Plain-English summary, not legal advice
01
21 and over only
Adult-use cannabis in Michigan is for people 21 years of age or older. The law does not allow anyone under 21 to possess, buy, use, grow or sell it, or anyone to give or sell it to a person under 21.
02
Carrying: 2.5 ounces
An adult 21+ may possess, carry and buy up to 2.5 ounces of marihuana. No more than 15 grams of that may be concentrate.
03
Per-purchase limit
A licensed retailer may not sell more than 2.5 ounces to an adult in a single transaction, and no more than 15 grams of it may be concentrate.
04
At home: 10 ounces
Inside your residence you may keep up to 10 ounces, plus what plants grown on the premises produce. Anything over 2.5 ounces at home must be kept in a container or area with locks or another working security device.
05
Home grow: 12 plants
Adults may grow up to 12 plants per residence for personal use. Plants may not be visible from a public place without optical aids and must be in an enclosed area with locks or other security devices.
06
Gifting between adults
An adult may give up to 2.5 ounces (no more than 15 grams as concentrate) to another adult 21+ for free, as long as the gift is not advertised or promoted to the public.
07
Not in public
Consuming cannabis in a public place is not allowed. Property owners and managers can prohibit smoking or use on their property. A town may authorize designated consumption areas that people under 21 cannot access.
08
Renters
A landlord may prohibit smoking, but a lease may not prohibit a tenant from lawfully possessing cannabis or consuming it by means other than smoking.
09
Never drive impaired
The law does not allow operating or being in physical control of a car, boat, snowmobile, off-road vehicle or aircraft while under the influence of marihuana. Consuming while operating any of them, or smoking in the passenger area of a vehicle on a public road, is also not allowed.
10
Schools and buses
Possessing or consuming cannabis is not allowed on the grounds of a public or private school (preschool through grade 12), in a school bus, or on the grounds of a correctional facility.
11
Workplaces
Employers do not have to allow cannabis at work and may enforce a workplace drug policy.
12
Local rules
A city, village or township may prohibit or limit the number of cannabis businesses within its boundaries, so the rules for stores can differ from town to town.
13
Stay in Michigan
Under current federal law, cannabis cannot be transported across state lines, even between two states where it is legal. Michigan's regulator notes the same is true on aircraft and across state or international waters.
14
Store it safely
Every package sold in Michigan must carry the words "Keep out of reach of children." Keep products in their original labelled packaging, locked up and out of reach of children and pets. The National Poison Control Center number, 1-800-222-1222, is printed on every label.
Official sources
- MRTMA Sec. 4 — MCL 333.27954
- MRTMA Sec. 5 — MCL 333.27955
- MRTMA Sec. 6 — MCL 333.27956
- MRTMA Sec. 3 — MCL 333.27953
- CRA rules: Marihuana Sale or Transfer (R 420.501–420.511)
- CRA public comment to the DEA (July 2024)
- CRA — Updated Universal Symbol
- Michigan Cannabis Regulatory Agency
Checked against the official pages on November 9, 2026. Laws and rules change; the official text always wins.
For adults 21+. Education only — not medical advice. Experiences vary from person to person.