History scroll

Idaho cannabis history

Reviewed

The Office of Drug Policy says the use and sale of marijuana for any purpose is illegal in Idaho. House Bill 7 amended the possession penalty and took effect July 1, 2025.

This is a short history, not legal advice. The rules that apply today are on the Idaho cannabis laws page. A date is included only when the linked page states it.

At a glance

Current statutePossession of more than three ounces is a felony. Possession of three ounces or less is a misdemeanor, and a person 18 or older faces an added fine of at least $300.
July 1, 2025The bill declares an emergency and is in force on and after July 1, 2025.

The possession statute

  1. The published history says section 37-2732 was added in 1971 and lists a 2025 amendment.
  2. House Bill 7 is the session law for that penalty amendment. The drug-policy page mentioned a possible initiative and did not certify a 2026 ballot result.

Sources

Citations were checked against the linked pages on October 24, 2026. Claims without a statute, election result, regulator page, court opinion, or news report were left out.