How to Talk to Teens About 4/20

You might hear your teen mention 4/20 and wonder what they actually know about it.

Or maybe you see it show up on social media and realize your teen probably sees it too.

They are already being exposed to the message, whether it is from friends, school, or online.

This is one of those moments to pause and have a quick, real conversation. Not a lecture. Just a check-in.

A good place to start is understanding what 4/20 means and why it comes up so often.

What Does 4/20 Mean?

4/20 is a cultural reference tied to marijuana use. It is often treated as a day when people post about cannabis or gather around it.

It is not an official holiday, but it shows up often in teen culture and on social media. Many teens hear about it, even if they are not using marijuana.

Knowing this helps you walk into the conversation with context, not guesswork.

Why This Conversation Matters for Teens

Teens hear a lot of mixed messages about marijuana.

Some make it sound harmless. Some make it sound extreme. Neither helps your teen make a clear decision.

Here is what matters:

Marijuana affects parts of the brain tied to memory, attention, learning, decision-making, and reaction time. The brain is still developing through the teen years and into the mid-20s.

That does not mean every teen will have the same experience. But it does mean this stage of development matters.  

What Teens Often Hear About Marijuana

Your teen is piecing together what they hear from friends, social media, and school.

You do not need to correct everything. Focus on the big ones. Here are a few:

“It’s legal, so it’s safe”

You can say:

“Some things are legal for adults but not safe for teens. Alcohol is one example. It is legal for people over 21, but it can affect a teen’s brain. Marijuana is similar.”

Laws for adults do not make something safe for a developing brain.

“It’s natural, so it’s harmless”

You can say:

“Some natural substances can still affect your brain and body. What matters is how it affects you.”

The main ingredient in marijuana that causes impairment affects how the brain works, no matter how it is used.

“Everyone is doing it”

You can slow this down with one question:

“What makes you think that?”

Then follow up:

“It can feel that way, but not all teens are using.”

What teens see online or hear from a few people can shape what feels normal.

This is called the social norms theory. It explains that what teens believe others are doing can shape their choices.  That is why it matters they know the facts, not just what they assume. Because the reality is, the majority of young people aren’t using drugs or drinking alcohol. Read about it here. 

It’s Not Just Smoking: What Parents Should Know

If you picture marijuana as something people smoke, you are not wrong. But that is not the full picture anymore.

Teens may also come across:

• Vapes with THC oil
• Edibles like gummies or baked goods
• Concentrates used for dabbing

Some of these products are stronger than people expect.

Edibles can take longer to feel, which can lead to taking more than intended. Some vape products and concentrates contain high levels of THC.

A simple way to say it:

“Some of these products can hit harder than people expect, especially vapes and edibles.”

How to Talk to Your Teen About 4/20

You do not need the perfect words. You just need a way in.

Try something simple:

• “I’ve been seeing a lot about 4/20. What are you hearing?”
• “Do kids at school talk about weed much?”
• “What do you think is true about it?”

Then pause.

Let your teen talk. Even a short answer gives you a starting point.

Keep the tone calm. Keep the conversation open. This works better than trying to cover everything at once.

What Parents Can Say About Marijuana

Teens need to hear where you stand.

You can keep it simple:

“I do not want you using marijuana right now. I care about your safety, your brain, your judgment, and your future.”

You do not need a long explanation. Clear and calm goes further than a long speech.

What you say matters.

Teens are less likely to use substances when they know what you expect and feel that you are paying attention.

That does not mean watching everything they do. It means staying involved and keeping the conversation going.

You may not see a reaction right away. That is normal.

But your voice sticks. It is often what they hear in their head when they have to make a decision.

Help Your Teen Handle Peer Pressure

Do not stop at sharing facts. Help your teen think ahead.

Most teens do not plan to say yes in these moments. It just happens fast. Someone offers. People are watching. There is no time to think.

That is why it helps to talk through it before it happens.

Teens are more likely to make safer choices when they have practiced what to say or how to leave a situation ahead of time.

You can keep it simple:

• “What would you say if someone offered it to you?”
• “What would you do if people start using at a party?”
• “Who could you call if you needed help getting out?”

Let your teen answer first.

If they get stuck, you can offer a few easy options:

• “I’m good.”
• “I have something tomorrow.”
• “My parents would know.”
• “Let’s go do something else.”

Some teens will not say anything at all. They will just leave. That works too.

You can also set up a code word. A quick text can be their way out, no questions asked.

The goal is not to script your teen. It is to give them something to fall back on when the moment gets uncomfortable.

A Goal for This Talk

The goal is not to win an argument.

The goal is to become the adult your teen trusts for real information.

If the conversation feels awkward, that is normal. Most do.

Keep it short. Stay calm. Come back to it later.

Strong parent-teen relationships and open communication are linked to lower risk of substance use.

Frequently Asked Questions