Is Adult-Use Cannabis Legal in Connecticut?

Cannabis has been legalized in Connecticut, where individuals over the age of 21 can lawfully possess and consume marijuana. Detailed information about the new legislation is available, highlighting the continuation of Connecticut’s leading medical marijuana program to serve patients. Learn about the specifics of the law and the medical program by visiting

In Connecticut, adults aged 21 and older can use cannabis on private properties, but consumption is not permitted on properties where landlords or management have set rules against it. This is important to consider when renting, as lease agreements may prohibit the use of cannabis. Similarly, most hotels have policies in place against smoking cannabis in the rooms. For specific hotel policies, it’s recommended to inquire at the hotel reception.

Public consumption of cannabis is illegal, and driving under the influence, defined as having more than 5 nanograms of active THC per milliliter of blood, can lead to serious legal consequences. Additionally, it is prohibited to transport cannabis across state lines from Washington.

New Jersey distinguishes between regulated cannabis and unregulated marijuana, the former being what is handled by licensed state businesses, and the latter being the unregulated plant form.

At the federal level, marijuana and certain cannabis-infused products remain illegal, with the exception of those containing no more than 0.3 percent THC or those approved by the FDA. The Transportation Security Administration (TSA) must be notified of any suspected legal violations, as highlighted by the TSA.

Despite cannabis being recognized as a medicine in the UK since November 1, 2018, access to medical cannabis remains limited for many patients. The full commentary on this issue can be found in the study published in PMC, Medical cannabis in the UK: From principle to practice.

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Connecticut also allows medical marijuana patients and adults of legal age to grow a limited number of plants at home, under specific conditions. For detailed guidelines on home cultivation, visit

In Massachusetts, residents voted in favor of legalizing recreational marijuana use for those 21 and older. Information about state and city regulations can be found on

The CDC provides an overview of what is currently known about marijuana, including its components and effects. This resource is available at the CDC’s official site.

For Canadian citizens involved in the legal cannabis industry traveling to the U.S., it’s important to note that entry to the U.S. for reasons related to the industry may render them inadmissible. Further details on this policy can be found at the U.S. Embassy’s page on Cannabis and the U.S. – Canada border.

Cannabis Laws in Connecticut

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