Every adult use state sets a limit on how much cannabis an adult 21 or older can carry, and most set a separate limit for concentrates. Some also allow more at home than in public. Going over the limit can turn a legal purchase into a fine or a criminal charge. This guide lists the public possession limits for flower and concentrates in the 24 adult use states and Washington DC as of late October 2026. Laws change, so confirm the current rule with the state before relying on it. This is general information and not legal advice.

How to read the table

• Flower is the amount of dried cannabis you can carry in public.
• Concentrate covers products such as hash, rosin and vape oil. Where a state does not set a separate limit, it is noted.
• Home limits are listed in the notes where they differ.
• Medical patients often have different limits. Check your program.

Possession limits by state

State	Flower in public	Concentrate	Notes
Alaska	1 oz	Counts toward 1 oz
Arizona	1 oz	5 g
California	28.5 g	8 g
Colorado	2 oz	Counts toward limit	Over 2 oz is a misdemeanor (HB21-1090)
Connecticut	1.5 oz	Equivalent amount	5 oz at home in a locked container
Delaware	1 oz	12 g
Illinois	30 g	5 g	Nonresidents get half
Maine	2.5 oz	5 g
Maryland	1.5 oz	12 g
Massachusetts	1 oz	5 g	10 oz at home
Michigan	2.5 oz	15 g	10 oz at home
Minnesota	2 oz	8 g	2 lb at home
Missouri	3 oz	Equivalent amount
Montana	1 oz	8 g
Nevada	2.5 oz	1/4 oz
New Jersey	6 oz	Equivalent amount
New Mexico	2 oz	16 g
New York	3 oz	24 g	5 lb at home
Ohio	2.5 oz	15 g	SB 56 kept these limits
Oregon	1 oz	5 g	8 oz at home
Rhode Island	1 oz	Equivalent amount	10 oz at home
Vermont	1 oz	5 g
Virginia	2 oz	Counts toward limit	2 oz since July 1, 2026 (HB 30), retail sales start July 1, 2027
Washington	1 oz	7 g
Washington DC	2 oz	Equivalent amount	Gifting rules, limited retail

Most of these limits are cumulative. If a state lets you carry 1 ounce of flower and 5 grams of concentrate, that usually means both at once, but some states count everything toward one total. Read the fine print for your state.

Why the limits differ so much

States wrote their laws at different times and under different politics. Early adopters like Colorado and Washington chose 1 ounce at first, which became a common benchmark. Later states, including New York and New Jersey, set higher limits, partly to reduce arrests. States that legalized by ballot measure often copied numbers from earlier campaigns. Some states have raised limits after a few years of sales.

Equivalent amounts

Several states do not list a fixed gram limit for concentrates. Instead they use equivalents, such as a set number of grams of concentrate or milligrams of THC in edibles counting as 1 ounce of flower. Dispensaries track these equivalents at checkout, so a store will not sell you more than the daily or per visit purchase limit. Purchase limits are often lower than possession limits.

Home limits and home grow

States that allow home growing often let adults keep more at home, since a harvest can exceed the public limit. Home limits usually require the extra cannabis to stay at the residence where it was grown, sometimes in a locked container. For grow rules, see our guide to the legal requirements for growing weed plants in your state.

What happens if you go over

Penalties for going slightly over the limit are often civil fines in legal states. Larger amounts can bring misdemeanor or felony charges, especially if police find signs of selling, such as many small bags or scales. Some states treat the first ounce over as a fine and anything beyond as a crime.

Worked examples

A visitor in Illinois. A nonresident adult buys flower and a vape cart. Because Illinois gives nonresidents half the resident limit, the visitor can carry 15 grams of flower and 2.5 grams of concentrate. The dispensary will stop sales above that.

A resident in Michigan. A Michigan adult carries 2 ounces of flower and a few grams of concentrate to a friend’s house. That is under both public limits. At home they keep 8 ounces from their own garden, which is under the 10 ounce home limit, as long as the extra is kept secure.

A resident in Colorado. An adult carries 1.5 ounces. That is within Colorado’s 2 ounce limit, so it is legal. Carrying more than 2 ounces is a misdemeanor.

How weight is measured

Police and courts usually weigh flower as packaged or seized, and some states weigh including moisture. Concentrates are weighed by product, not by package. Edibles are often measured by milligrams of THC on the label rather than by product weight. If you are near a limit, assume the higher weight will be used and stay well under.

Medical and nonresident rules

Medical patients often may carry more, usually a 30 day or 60 day supply set by the program. Some states, such as Illinois, give nonresidents a lower limit. Out of state visitors should assume the resident rule applies only to residents unless the state says otherwise.

Limits do not travel

Even in two states with the same limit, carrying cannabis between them is a federal crime. Our driving across state lines post explains why. For a broader view of each state’s laws, see our marijuana laws by state map and our roundup of the most recent states to legalize recreational marijuana.

Tips for staying under the limit

• Keep receipts and packaging. They show what you bought and where.
• Count everything. Pre rolls, vape carts and edibles count toward limits.
• Store extras at home. Do not carry home supplies around town.
• Check before a trip. If you visit another legal state, look up its limit before you shop. Limits differ even between neighbors.
• Know local rules. Some cities restrict public use even if possession is legal.

Our USA seed laws page explains where home growing is allowed and where Kind Seed Co ships.

Grow legally and responsibly

Home cultivation is only legal in some states, and each state sets its own plant limits, locking rules and rules about whether plants can be visible from a public place. You must be 21 or older to buy seeds from Kind Seed Co, and you should grow only where your state and city allow it. Check your state rules in our guide to the legal requirements for growing weed plants in your state before you plant. Federal treatment of cannabis seeds is also changing, so read our December 11 2026 seed rule explainer before you order. Keep plants and harvested flower locked away from children, pets and visitors, and never drive after using cannabis. This article is general information. It is not legal advice and it is not medical advice.

Frequently asked questions

What is the most common marijuana possession limit?

One ounce of flower in public is the most common limit, though many newer states allow 2 to 3 ounces or more.

Do concentrates count toward the flower limit?

It depends on the state. Some set a separate concentrate limit, while others count everything toward one total.

Can I have more at home than in public?

In several states, yes, especially where home growing is legal. The extra must usually stay at home.

Do possession limits apply to visitors?

Usually yes, and some states give nonresidents a lower limit than residents.

Final thoughts

Possession limits range from 1 ounce to 6 ounces of flower in public, with separate concentrate limits in most states. Check the current law before you buy, keep products in their packaging and remember that legal possession never covers crossing state lines.

Ready to start

Browse the full range in the Kind Seed Co shop or go straight to usa. Kind Seed Co sells only to adults 21 and older. Always follow the cannabis laws where you live.