Cannabis law in Idaho (2026)
Last reviewed: 9 October 2026
In short: The Idaho Office of Drug Policy states that marijuana is a Schedule I substance under Idaho law and that its use and sale for any purpose is illegal. Possessing marijuana and using it publicly are illegal, with penalties set in the Uniform Controlled Substances Act. Home growing and visitor rules were not confirmed.
| Rule | What applies |
|---|---|
| Possession for personal usePersonal use by an adult | Criminal offence [1] |
| Sale to consumersPersonal use by an adult | Prohibited [1] |
| Use or carrying in public placesPersonal use by an adult | Prohibited [1] |
| Medical cannabisPersonal use by an adult | Not available [1] |
| Growing at homePersonal use by an adult | Prohibited [1] |
Notes
- Stated by the Idaho Office of Drug Policy, which cites sections 37-2732 and 37-2732C of the Idaho Code; the statute text could not be read from this server. The page notes a citizen initiative on personal possession approved for signature collection (as of November 2024); its ballot status was not checked.
- Marijuana is a Schedule I substance in Idaho; producing or possessing it is illegal for any purpose.
Sources
- Idaho Office of Drug Policy: Marijuana | Idaho Office of Drug Policy (consulted 9 October 2026) · all sources
National rules that also apply
These rules are set at national level in the United States and apply here too, alongside the rules above. All national rules for the United States
| Possession for personal use | Criminal offence (source: U.S. Government Publishing Office (govinfo)) |
|---|---|
| Growing at home | Prohibited (source: U.S. Government Publishing Office (govinfo)) |
| Sale to consumers | Prohibited (source: U.S. Government Publishing Office (govinfo)) |
Idaho and neighbouring states
| State | Possession for personal use | Growing at home | Sale to consumers | Use or carrying in public places | Medical cannabis | Visitors |
|---|---|---|---|---|---|---|
| Idaho | Illegal; penalties under the Controlled Substances Act | No (illegal to manufacture) | No legal sale | Illegal in public | No medical programme | — |
| Montana | Legal for adults 21+, within limits | Yes: 2 mature plants, 2 seedlings | Licensed dispensaries | Banned in public places | Medical programme (registered cardholders) | Visitors may buy; only residents grow |
| Nevada | Legal for adults 21+, within limits | Yes if no store within 25 miles | State-licensed stores only | Banned in public places | Medical programme (cardholders) | Out-of-state ID accepted |
| Oregon | Legal for adults 21+ within limits | Up to 4 plants per residence | OLCC-licensed retail stores | No use in public places | Medical programme (OMMP) | — |
| Utah | Criminal offence (misdemeanour) | Prohibited | Prohibited (medical pharmacies only) | — | Patients with provider recommendation | — |
| Washington | Legal for adults 21+ within limits | Prohibited (medical patients: 6 plants) | Licensed retail stores, 21+ | No use in public (civil infraction) | Authorised patients, endorsed retailers | Not addressed (21+ only) |
| Wyoming | Criminal offence (misdemeanour) | Prohibited (misdemeanour) | Supply is an offence | — | No medical programme | — |
More rules in Idaho
- Car speed limitsBuilt-up areas: 35 mph · Outside built-up areas (single carriageway): 65 mph state hwys; 55 mph other
- Minimum age for a car driving licenceMinimum age for a car licence: 15 (daylight only); full privileges at 16 · Earliest age to drive a car supervised: 14½ (driver training permit)
- E-bikes and speed pedelecsLegal class: Class 1-3, bicycle rules
- FireworksConsumers may buy and use category F2 fireworks: Yes (non-aerial only, set dates)
- Knives and pepper sprayFolding pocket knives: Blade 6 in or less is not a 'deadly weapon' · Locking or one-handed knives: No separate rule; 6 in blade limit
- Statutory minimum wageNational statutory minimum wage: Yes · Current adult minimum wage (gross): $7.25 per hour
- Using a mobile phone while drivingHolding a phone while driving banned: Banned (hands-free allowed)
- Seat belts and child seatsSeat belt compulsory in front seats: Yes, all seats · Seat belt compulsory in rear seats: Yes, all seats
- Tobacco and nicotine age limitsMinimum age to buy tobacco: 21 · Minimum age to buy e-cigarettes: 21
- Drink-driving limitsBlood alcohol limit for ordinary drivers: 0.08% · Lower limit for novice or young drivers: 0.02% (under 21)
Related pages
General information, not legal advice. Rules change: check the official source before you fly or ride.