Iowa cannabis history
Reviewed
The Medical Cannabidiol Act was approved May 12, 2017 and took effect on enactment. The current code says a patient shall not smoke medical cannabidiol.
This is a short history, not legal advice. The rules that apply today are on the Iowa cannabis laws page. A date is included only when the linked page states it.
At a glance
May 12, 2017The act says it takes effect upon enactment.
2026 codeChapter 124E shall be known as the Medical Cannabidiol Act.
The Medical Cannabidiol Act
- The enrolled act is chapter 162 of the 2017 Acts. The health department has separately described dispensary distribution; the date used on this timeline is the approval date in the act.
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.