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Responsible Cannabis Use

Cannabis should be enjoyed thoughtfully and responsibly. This page is here to share general information about safer use, Ontario rules, and how to help protect yourself and others.
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This information is intended for adults in Ontario and is for education only. It is not medical, legal, or professional advice.

Legal age and Ontario rules

In Ontario, you must be 19 years of age or older to buy, use, possess, or grow recreational cannabis.
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  • Possession limits:
    • Up to 30 grams of dried cannabis (or equivalent) in public.
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  • Where you can use:
    • Generally where tobacco smoking and vaping are allowed, with some exceptions and local bylaws.
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Always check the latest information from Ontario and your local municipality, as rules and bylaws can change.

Using cannabis responsibly

Everyone’s relationship with cannabis is different. If you choose to use:
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  • Start low and go slow
    • Especially if you’re new or trying a new product or method.
    • Edibles can take up to 2 hours (or more) to fully kick in, avoid taking more while you’re still waiting to feel the effects.
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  • Know the product
    • Check THC and CBD levels.
    • High-THC products or concentrates can increase the risk of unpleasant or harmful effects.
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  • Avoid mixing with alcohol or other substances
    • Combining cannabis with alcohol or other drugs can increase impairment and risks.
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  • Use in a safe environment
    • Choose a comfortable place and avoid situations where you need to drive, operate machinery, or make big decisions.

Don’t drive high

Driving while impaired by cannabis is dangerous and illegal.
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  • Cannabis can affect reaction time, coordination, attention, and decision-making.
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  • There are strict penalties for drug-impaired driving.
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  • Plan ahead:
    • Use a designated driver, taxi, rideshare, or public transit.
    • Stay where you are until you are no longer impaired.
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If in doubt, don’t drive.
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