State by State Cannabis Home Growing Laws: A Guide

There is no federal home grow rule and no single national plant limit. State by state cannabis home growing laws decide whether you may cultivate at home, how many plants you may keep, and whether those plants must stay out of public view. Roughly half of US states allow some form of home cultivation, and a few states that permit adult-use sales still ban growing at home.

Cannabis Home Grow Laws by State Guide

How these laws are structured

Most state rules fall into one of three tiers:

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• Recreational home grow allowed. Adults 21 and older may cultivate a set number of plants, often with a cap per household.
• Medical home grow only. Registered patients or their caregivers may grow, and recreational users may not.
• No home grow. Cannabis may be legal to buy and possess, but cultivation at home remains an offense.

Plant counts usually separate mature (flowering) plants from immature or vegetative ones, and many states cap the total a household may grow no matter how many adults live there. Local ordinances, leases, and HOA rules can add further restrictions on top of state law.

state by state cannabis home growing laws

States where adults can grow recreationally

• Alaska: up to 6 plants per adult, 3 flowering, 12 per household.
• Arizona: up to 6 plants per adult, 12 per household.
• California: up to 6 plants per adult, with local limits that can be stricter.
• Colorado: up to 6 plants per adult, 3 mature, 12 per household.
• Connecticut: 3 mature and 3 immature plants per adult, 12 per household.
• Maine: up to 6 mature and 12 immature plants per adult.
• Maryland: up to 2 plants per household.
• Massachusetts: up to 6 plants per adult, 12 per household.
• Michigan: up to 12 plants per household.
• Minnesota: up to 8 plants per household, no more than 4 mature.
• Missouri: up to 6 flowering and 6 non-flowering plants per household with a registration card.
• Montana: up to 4 mature plants per adult, 8 per household.
• Nevada: up to 6 plants per adult, 12 per household, and only if no licensed dispensary is within 25 miles.
• New Mexico: up to 6 mature plants per adult, 12 per household.
• New York: up to 6 mature and 6 immature plants per adult, 12 per household.
• Ohio: up to 6 plants per adult, 12 per household.
• Oregon: up to 4 plants per household.
• Rhode Island: up to 6 plants per adult, 12 per household.
• Vermont: up to 6 plants, 2 of them mature.
• Virginia: up to 4 plants per household.
• Washington, DC: up to 6 plants, 3 mature.

Legal states that do not allow home growing

A handful of states let adults buy and possess cannabis but keep home cultivation off the table:

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• Washington: adult-use sales are legal, home grow is not.
• New Jersey: adult-use sales are legal, home grow is not.
• Illinois: recreational home grow is banned, while some registered medical patients may cultivate with state authorization.
• Delaware: adult-use possession is legal, home cultivation is not.

Medical-only states handle it differently

In states without adult-use programs, home grow usually depends on patient registration. Oklahoma permits licensed patients to grow a limited number of mature and immature plants. Hawaii allows registered patients to cultivate a small plant count. Other medical states, including Florida and Pennsylvania, allow medical cannabis products but not home cultivation at all.

Common limits you will see in these laws

• Separate counts for flowering and vegetative plants.
• A household maximum that overrides per-person totals.
• Requirements that plants stay indoors or behind a locked, private area.
• Rules on visibility from public spaces or neighboring property.
• Setbacks from schools, parks, or childcare centers.
• Registration, tagging, or seed-to-sale tracking for medical grows.
• Gifting limits, which are separate from cultivation limits.

What home grow laws do not change

Cannabis remains a controlled substance under federal law, so state permission does not protect you from federal enforcement, and moving plants or flower across state lines stays illegal. Selling homegrown cannabis without a license is prohibited in every legal state. Landlords, condo boards, and homeowners associations may also ban cultivation on private property even where state law allows it.

How to confirm your own state's rule

1. Check your state's cannabis regulatory agency website for the current plant count and household cap.
2. Review your city or county code, since local bans on outdoor or visible grows are common.
3. Read your lease or HOA agreement before you start seeds.
4. Check whether a registration card, tag, or cultivation license is required.
5. Recheck each legislative session, because bills that raise or lower plant limits pass often.

Growing at home versus buying from a licensed source

Where home cultivation is banned or capped at a low plant count, licensed retailers and delivery services remain the practical option for adults who want flower, vapes, edibles, or other THC products. Where growing is allowed, most home cultivators still buy tested products from licensed shops for consistency and labeling. Either way, the state where you live sets the rules you have to follow.