THC City Guides • Montana (MT)
Montana Weed Laws 2026: Adult-Use Dispensaries, the 20% Tax, and the Green-County Map
Montana has sold legal adult-use cannabis since January 1, 2022, and cleared $1 billion in recreational sales by the start of 2026. What trips people up is geography: only counties that voted yes on I-190, plus the ones that have opted in since, may host recreational storefronts, and a few cities have banned them inside their own limits. This September 2026 guide covers the possession and purchase limits, the 20% tax, why nothing gets delivered to your door, the 2025 and 2026 rule changes, and how buying actually works in 15 Montana towns.
Quick answer · Montana cannabis, September 2026
Yes. Montana voters passed Initiative 190 in November 2020, possession became legal January 1, 2021, and licensed adult-use stores opened January 1, 2022. Anyone 21 or older with a government photo ID may buy an ounce a day from a dispensary in a green county. Recreational sales carry a 20% state tax, medical sales 4%, and no dispensary may deliver to your door.
Overview
Initiative 190 carried Montana with about 57% of the vote in November 2020. Adult possession turned legal on January 1, 2021, and the first recreational receipts printed exactly one year later. By January 2026 the state had crossed $1 billion in cumulative adult-use revenue, and 2025 finished as the biggest year yet at roughly $327 million in combined medical and recreational sales, about 90% of that recreational. Cannabis is now a normal part of main-street commerce here, with one of the highest storefront-per-resident ratios in the country.
The thing that confuses visitors is the county map. Adult-use retail is allowed only where a majority backed I-190 - the green counties - while the red half of Montana stays closed until its own voters flip it. Custer County did exactly that in November 2024, and Miles City started selling recreational product on January 1, 2025. Cities get a say too. Billings voters barred adult-use storefronts inside the city limits in November 2021, which is why the recreational shops serving Billings sit in Lockwood and Laurel instead.
Money and limits are simple once you know them. Recreational purchases carry a 20% state tax; a registered patient pays 4%. Most counties tack on a local-option tax of up to 3%. The daily ceiling is one ounce of flower, and inside that ounce you may not exceed 8 grams of concentrate or 800 milligrams of edible THC. Two mature plants and two seedlings per adult are legal at home, locked and out of sight.
Two changes reshaped 2025 and 2026. SB 375 and HB 49 pulled almost every hemp-derived THC gummy and seltzer off gas-station coolers, pushing that demand into licensed stores. Then HB 636 cut edible servings from 10 milligrams to 5 on July 1, 2026, so the gummy you bought last spring is packaged differently now.
Legal Snapshot
| Category | Status |
|---|---|
| Adult-use status | Possession legal January 1, 2021; licensed retail sales began January 1, 2022 |
| Where sales are allowed | Green counties only - red counties stay closed until local voters opt in (Custer County did, effective 2025) |
| Medical program | Registry cards issued by the Department of Revenue to Montana residents only; program dates to 2004 |
| Possession limit | 1 ounce of flower at 21+, holding no more than 8 grams of concentrate or 800 mg of edible THC |
| Purchase limit | One ounce per person per day recreational; cardholders get 1 ounce daily and 5 ounces monthly |
| Home grow | Two mature plants plus two seedlings per adult, capped at four and four per household; patients double that |
| Delivery | No recreational delivery anywhere - a licensed transporter may reach a registered cardholder only |
| Purchase age | 21 and up, government-issued photo ID, out-of-state licenses and passports accepted |
| Tax on retail | 20% recreational, 4% medical, plus a county local-option tax of as much as 3% |
| Public consumption | Not allowed - civil fine of up to $50, and federal parks and tribal land are off limits entirely |
| Regulator | Cannabis Control Division, Montana Department of Revenue |
| Last major change | HB 636 halved edible servings to 5 mg on July 1, 2026; SB 27 froze new licenses through June 30, 2027 |
Sources & verification
The legal snapshot, limits and tax figures on this page are summarised from the state regulator below. Rules change between our checks — confirm anything that matters with the regulator before you buy or carry.
- Regulator
- Montana Cannabis Control Division (Dept. of Revenue) revenue.mt.gov
- Program
- Adult-use and medical program
- Data updated
- September 2026 Montana guide data, from the file date
- Sources checked
- regulator link answered on that date
- Method
- How this network is built and reviewed: How it works.
Informational only — not legal advice. Adults 21+ (or registered patients) only where state law allows.
What People Actually Pay
Montana is one of the cheapest legal markets in America. Flower averages a bit over $5 a gram statewide, eighths commonly land between $20 and $40, and ounce specials start near $100 in competitive towns while premium indoor ounces reach $250 or more. Add 20% state tax at the register plus up to 3% county tax, so a $30 eighth rings closer to $37. A medical card drops the tax to 4%, which pays for itself fast if you buy weekly.
How Access & Delivery Work
Nothing recreational gets driven to your house in Montana. State law bars a dispensary, its staff, and any hired courier from handing marijuana to an adult-use customer anywhere except the licensed premises, so every legal purchase ends at a counter or in the parking lot outside it. What stores do offer is online pre-ordering: you build a cart on the shop menu, get a text when it is bagged, and either walk in or take a curbside hand-off at the door. Registered medical cardholders have one narrow extra option, since a licensed marijuana transporter may bring an order to a patient address after checking the registry card. That is a patient service, not an app, and it does not exist in most towns.
Product Guides
- Flower
Flower is the backbone of the Montana market, most of it grown by the same company that sells it, since nearly every licensee runs canopy plus retail. Expect grams, eighths, quarters, and heavily discounted ounces, with outdoor and light-deprivation harvests priced well below indoor.
- Vapes
Cartridges, disposables, and live-resin pods are stocked statewide. Montana has no potency ceiling on inhalable concentrate, so 80% to 90% THC carts are routine; the state does cap your daily take at 8 grams of concentrate total.
- Pre Rolls
Singles run half a gram to a gram, and multipacks of five or ten shorties are the value play. Infused pre-rolls coated or cored with concentrate count against the concentrate portion of your daily ounce.
- Edibles
Since July 1, 2026 a recreational serving may not exceed 5 milligrams of delta-9 THC, half the old limit, with a hard 100-milligram cap per package. Registered patients are exempt from the serving rule. Your daily edible ceiling is 800 milligrams of THC.
- Concentrates
Live resin, badder, sugar, rosin, and shatter are widely available and cheap by coastal standards. The 8-gram daily concentrate limit is the only real constraint, and staff will flag it if your cart runs over.
- Tinctures
Sublingual oils and alcohol-based tinctures sit in the ingestible category, so they carry the same 100-milligram package cap and count toward the 800-milligram edible allowance.
- Topicals
Balms, salves, and roll-ons aimed at ski knees and ranch shoulders are a small but steady shelf in Montana, and non-intoxicating CBD versions are sold outside dispensaries too.
State guides
Montana cannabis guides
Longer-form guides for Montana: delivery rules, the medical card process, on-site consumption, and a first dispensary visit.
Whether delivery is legal in this state, who is licensed to run it, and the ID checks, fees and order limits that apply.
Qualifying conditions, what an evaluation costs, how long approval takes, and what the card lets you buy.
Whether on-site consumption is licensed here, where it is allowed, and the public-use rules around it.
What to bring, how the ID check and the menu work, what you can legally buy, and what a first order costs.
Recommended Brands
Montana retail is dominated by vertically integrated homegrown chains rather than national multistate operators. The names you will see across multiple towns include Bloom Montana, Lionheart Cannabis, Top Shelf Botanicals, Elevated, Lone Peak Cannabis Company, SweetGrass, Seed of Life Labs, Frosteez, Honey Sour, Dancing Goat Gardens, and Apogee Gardens. Because the same license covers cultivation and the sales floor, house-grown flower usually carries the store name on the jar, and the in-house cartridge or gummy line is the cheapest thing on the menu. Cross-shopping matters more here than brand loyalty: a strain that costs $12 a gram in one town may be $7 forty miles away.
Current Trends (2026)
Prices keep sliding while volume climbs: 2025 set a sales record even as per-gram pricing fell, and the first five months of 2026 ran ahead of 2025 on the recreational side while medical kept shrinking. SB 27 froze new licenses through June 30, 2027, so the shop count is fixed and competition is playing out on price and loyalty programs instead of new storefronts. Red counties holding opt-in votes are the only source of new territory.
Frequently Asked Questions
Is weed legal in Montana in 2026?
Yes. Adults 21 and older may possess an ounce and buy from licensed dispensaries, a right that took effect with I-190 in 2021 and turned into retail sales on January 1, 2022. Sales are limited to green counties and the red counties that have since opted in.
Can tourists buy cannabis in Montana?
Yes. Recreational purchase requires only a government-issued photo ID showing you are 21 or older, and out-of-state licenses and passports work fine. The medical registry is a different story - those cards go to Montana residents only.
Does Montana allow weed delivery?
Not for recreational buyers. Dispensaries and third-party couriers may not hand product to an adult-use customer off the licensed premises. Registered patients are the exception: a licensed transporter can bring an order to a cardholder address.
How much can I buy in one day?
One ounce of flower per day, and within that total you cannot exceed 8 grams of concentrate or 800 milligrams of THC in ingestible form. Registered patients get the same daily ounce plus a five-ounce monthly ceiling.
What is a green county in Montana?
A county where a majority voted yes on I-190 in 2020, which is what authorizes recreational storefronts there. Counties that voted no are closed to recreational sales until their own voters approve an opt-in ballot question.
How much tax will I pay at the register?
Twenty percent state tax on recreational purchases, four percent for registered patients, and many counties add a local-option tax of up to three percent on top. Budget roughly a quarter over the shelf price.
What changed for edibles on July 1, 2026?
HB 636 cut the recreational serving size from 10 milligrams of delta-9 THC to 5, keeping the 100-milligram package cap. Packages labeled under the old rule could not be sold after that date. Registered patients are exempt from the serving limit.
Can I still buy hemp THC gummies at a Montana gas station?
Almost never. SB 375, effective May 2025, banned sale of hemp ingestibles containing detectable THC unless the FDA has approved them, and HB 49 capped hemp servings at 0.5 milligrams. That merchandise moved into licensed dispensaries.
Can I grow my own in Montana?
Two flowering plants and two seedlings per adult, with a household ceiling of four and four regardless of how many adults live there. Registered patients may keep four mature and four seedlings. Grows must be locked and screened from public view.
Where is it still illegal to carry cannabis in Montana?
On federal ground and on tribal land where the tribe has not authorized it. That covers Yellowstone and Glacier national parks, national forest campgrounds under federal enforcement, military installations, and reservation land. Public consumption anywhere draws a civil fine of up to $50.
Frequently Asked Questions About Cannabis in Montana
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Comparison-first city hub with neighborhood depth. Built for real THC intent.
Local routing + decision-first structure for shoppers and operators.
Comparison-first city hub with neighborhood depth. Built for real THC intent.
Local routing + decision-first structure for shoppers and operators.
Comparison-first city hub with neighborhood depth. Built for real THC intent.
Source: Montana Cannabis Control Division (Dept. of Revenue) · Montana data updated September 2026 · Sources & verification
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