The laws on cannabis prohibition in Idaho are among the most severe in the United States, with possession of even small amounts of it a misdemeanor crime, and no legality of medical marijuana.
[6] In the same period, the mayor of Boise noted his concerns: The Mexican beet field workers have introduced a new problem-the smoking in cigarettes or pipes of marijuana or grifo.
Smoking grifo is quite prevalent along the Oregon Short Line Railroad; and Idaho has no law to cope with the use and spread of this dangerous drug (WCTU, 1928: 3).
[15][16] Senate Bill 1146a, which would have legalized CBD oil for persons with severe epilepsy, passed the Idaho Legislature following "lengthy and emotional" hearings, but was vetoed by Governor Butch Otter in April 2015.
[22] On February 8, 2021, the Senate passed SB 1017 by a vote of 30–3, which included a provision for removing Epidiolex, a brand of prescription cannabidiol, from its Schedule V listing and limiting its THC content to 0.1%.