How many cannabis plants can you grow for personal use?
There is no single national number. In the United States, how many cannabis plants for personal use are legal depends on your state, and the limits run from 2 plants per household to 12 or more. The most common rule is 6 plants per adult with a 12-plant cap per home.
Federal law allows no home growing at all, so state law is the only rule that changes your risk in practice.
The most common limit: 6 plants per adult, 12 per household
About half of the states with legal adult-use cannabis pick the same structure: a per-person number plus a per-household ceiling. A couple can grow more than a single person, but not an unlimited amount.
- California: 6 plants per residence, and cities may set lower caps.
- Colorado: 6 plants per adult 21 and over, 12 per household.
- Massachusetts: 6 per adult, 12 per household.
- Michigan: 12 plants per household.
- New York: 6 mature and 6 immature per adult, with a 12-mature cap per household.
- Ohio: 6 per adult, 12 per household.
- New Mexico: 6 mature per adult, 12 mature per household.
- Maine: 6 mature and 12 immature per adult, 12 mature per household.
Confirm the current number with your state regulator before you plant. Legislatures amend these caps, and the changes often take effect in the middle of a grow cycle.
States with lower limits or no home grow
Not every legal state is generous. Some cap a whole household at 2 to 4 plants, and a few allow retail sales while banning home cultivation.
- Oregon and Virginia: 4 plants per household.
- Maryland: 2 plants per household.
- Connecticut: 3 mature and 3 immature per adult, 6 mature per household.
- Vermont: 2 mature and 4 immature per adult, 12 total per household.
- Montana: 4 mature per adult, 8 per household.
- Illinois, New Jersey, Washington, and Delaware: no home grow for recreational users. Washington medical patients can grow with an authorization.
Medical programs often allow more. Michigan medical patients may grow 12 plants each, and a caregiver can grow for several patients at one address.
What counts as one plant?
Plant counts are not as simple as they sound. Many states count only flowering or mature plants toward the cap, which means seedlings and clones in a veg tent may not use up your slots.
Other states count every rooted plant, including a clone sitting in a cup of water. Read the definitions section of your state rule, not a summary on a dispensary blog.
Some states also cap how much dried cannabis you can keep at home after harvest. A legal plant count can still put you over a possession limit if you jar every ounce.
Why convenience changed who grows at home
Fifteen years ago, home growing was a way to get cannabis when no store would sell it. Today, delivery, curbside pickup, and a dispensary on most main streets make buying faster than a 12-week grow.
Convenience did not kill home growing. It changed the reason for it: strain access, cost per ounce, control over pesticides, and the hobby itself.
That shift shapes the rules too. Regulators who see easy retail access have less pressure to raise plant caps, so the numbers above have stayed flat in most states.
What can change your legal plant limit?
Local laws
Cities and counties can be stricter than the state. A state cap of 6 plants means little if your city allows 2, or bans outdoor grows on small lots.
Medical status
A medical card often raises your plant count or removes a household cap. The trade-off is registration, fees, and in some states a limit on where the plants may grow.
Rentals, leases, and HOAs
Property rules are separate from criminal law. A landlord can ban growing in a lease, and an HOA can ban it in the covenants, even where the state allows it.
Gifting and sharing
Most legal states let you give cannabis to another adult with no payment involved. Selling the extra from a 12-plant grow is a felony in every legal state, and plant count is the first thing prosecutors count.
Is home growing legal under federal law?
No. Cannabis is a Schedule I controlled substance, and federal law makes no exception for personal plants. State legalization shields you from state charges, not federal ones.
Federal cases against a few plants at home are rare, but the exposure exists on paper. It grows with plant count, sales, or shipping cannabis across state lines.
How to confirm your state's limit in five steps
- Go to your state cannabis regulator's website, not a dispensary blog.
- Search that site for "home cultivation" or "personal cultivation."
- Note whether the cap is per person or per household.
- Check your city or county code for a lower number.
- Read your lease, then ask the regulator if the wording is unclear.
FAQ
Is 6 plants the legal limit in every state?
No. Six is the most common adult-use number, but limits range from 2 plants per household in Maryland to 12 per household in Michigan. Four legal states ban home growing for recreational users.
Can two adults in one home grow 12 plants?
In states with a 6-per-adult limit and a 12-plant household cap, yes. In states with a flat household cap, the number stays the same no matter how many adults live there.
Do seedlings and clones count toward the plant limit?
It depends on the state. Some count only mature or flowering plants, others count every rooted plant. Check the definitions in your state rule.
Can I grow cannabis if my state has dispensaries but no home grow law?
No. Retail sales and home cultivation are separate permissions. Illinois, New Jersey, Washington, and Delaware allow stores but not personal grows for recreational users.
Does the plant count include cannabis I already harvested?
Harvested cannabis falls under a possession limit instead, measured in ounces. Check both numbers before a large harvest.