Ohio’s marijuana laws changed again.

With S.B. 56, the General Assembly repealed the prior adult-use “Cannabis Control Law” structure and merged adult-use marijuana regulation into Ohio’s existing Medical Marijuana Control Law (Chapter 3796). In plain terms: adult-use marijuana is still legal for adults 21+, but the practical rules around possession, sharing, use locations, and transportation are tighter and easier to violate.

If you use marijuana in Ohio, these are the issues most likely to matter in real life and in real criminal cases.

1) The new “golden rule”: where did your marijuana come from?

Under S.B. 56, legal possession is effectively tied to lawful sourcing. The bill allows possession of “adult-use marijuana” and “homegrown marijuana,” which limits lawful possession to marijuana acquired from an Ohio-licensed dispensary or grown legally under Ohio’s home-grow rules. The Legislature’s own analysis is blunt: marijuana acquired elsewhere (like an out-of-state dispensary) cannot be legally possessed under the bill.

Practical takeaway: if you buy in Michigan and bring it back, you are outside the adult-use protections.

2) How much can you legally possess?

The familiar limits remain, but they’re now framed as “plant material” and “extract”:

Up to 2.5 ounces of plant material (excluding seeds, live plants, or clones)
Up to 15 grams of extract

If you go over those limits, S.B. 56 ties that to the standard Ohio “possession of marijuana” statute (R.C. 2925.11), where penalties scale with the amount involved.

3) “Gifting” is allowed, but only under strict conditions

Ohio still allows limited adult-to-adult transfers, but S.B. 56 narrows the rules:

To stay legal, a transfer must be:

No money (no remuneration)
No more than 2.5 oz plant material or 15g extract to the same person in the same day
And it must happen at private property used primarily for residential or agricultural purposes

The bill analysis also notes that these rules apply to adult-use and homegrown marijuana, not medical marijuana.

If you transfer outside these rules, S.B. 56 treats the conduct as trafficking in marijuana under Ohio’s trafficking statute.

4) Using marijuana in public is a fast way to create legal trouble

S.B. 56 sharply limits where you can consume marijuana, especially by smoking, combustion, or vaporization.

Adult-use/homegrown smoking, combustion, and vaporization are permitted only on privately owned property used primarily for residential/agricultural purposes, and even then the law prohibits it in specific locations such as childcare homes, places where a lease forbids it, public places/places of employment, and certain DPCS-licensed facilities (halfway houses and similar).

Violations are treated as a minor misdemeanor.

5) Transportation rules are now explicit (and officers will use them)

If you drive with marijuana, S.B. 56 gives police clear “checklist” rules:

You cannot knowingly transport marijuana unless it’s adult-use, homegrown, or medical marijuana.
Adult-use and medical marijuana must be in original, unopened packaging while being transported.
Marijuana must be in the trunk, or if no trunk, in a rear area not easily accessible to the driver.

Breaking these transport rules is a minor misdemeanor.

Watch the paraphernalia issue

S.B. 56 also limits transporting paraphernalia to items authorized by DMC rule and requires original, unopened packaging. A violation can be charged as illegal possession/use of marijuana paraphernalia under R.C. 2925.141.

6) Vehicles and DUI/OVI: still the highest-risk area

S.B. 56 does not create a “right to drive high.” The bill analysis reiterates that operating or having physical control while under the influence remains subject to Ohio’s OVI framework.

One new criminal-penalty change worth highlighting: if a passenger smokes/combusts/vaporizes adult-use marijuana in a vehicle (and similar conveyances), that conduct becomes a misdemeanor of the third degree when the driver is operating or in physical control.

7) Home grow is still allowed, but exceeding limits is treated more harshly

Home grow remains capped at 6 plants per adult and 12 per residence, but S.B. 56 changes the criminal exposure for exceeding the limit.

The bill analysis explains that instead of focusing on “more than double,” the bill makes knowingly exceeding the home-grow limits “illegal cultivation of marijuana.”

S.B. 56 also restricts where home grow can occur (including rental housing where the lease prohibits it, childcare homes, and certain transitional facilities) and prohibits growing on behalf of someone else.

8) Under 21 and “straw purchase” cases: the penalties are real

S.B. 56 spells out criminal penalties for common under-21 scenarios:

Distributing adult-use/homegrown marijuana to a person under 21 is an M1, and becomes an F5 on a second/subsequent offense.
Using false information or fake/altered ID to purchase adult-use marijuana is an M1 with specified fine ranges, and repeat offenses can include license suspensions.
Soliciting another person to buy adult-use marijuana for you is an M4 (and becomes an M2 with a prior).

9) New option to clear certain old marijuana/hashish possession records

S.B. 56 creates a new expungement path for certain prior marijuana/hashish possession offenses (and some dismissed cases), including specified hashish offenses involving not more than 15 grams, so long as they occurred before the section’s effective date.

If granted, the proceedings are treated as not having occurred and the records cannot be used for purposes including criminal record checks.

Bottom line

S.B. 56 does not “end legalization,” but it changes the on-the-street rules in ways that will absolutely generate criminal cases: out-of-state product, improper transport, public use, gifting outside the rules, and home grow overages.

If you have a marijuana-related charge (or an OVI where marijuana is alleged), you should get legal advice specific to your facts as early as possible.

This article is general information, not legal advice. Laws and enforcement practices can change, and outcomes depend on specific facts.