What Are the Legal Age and Possession Limits?
Understand cannabis age requirements and possession limits in legal states. Essential legal knowledge for responsible use.
•4 min read•204 words
Before using cannabis, understand the legal framework in your area.
Age Requirements
Recreational use:
- Must be 21+ in all legal recreational states
- Valid government ID required for purchase
- No exceptions without medical card
Medical use:
- Typically 18+ with valid medical marijuana card
- Some states allow minors with parental consent
- Varies by state
Possession Limits (Examples)
| State | Flower | Concentrates |
|---|---|---|
| California | 28.5g (1 oz) | 8g |
| Colorado | 28g (1 oz) | 8g |
| Oregon | 28g public / 227g home | 5g |
| Michigan | 71g (2.5 oz) | 15g |
Note: These limits change. Always verify current laws in your state.
Where You Can Use
Generally legal:
- Private residences
- Licensed consumption lounges (where available)
Generally illegal:
- Public spaces
- Federal land
- Near schools
- In a vehicle
Driving and Cannabis
- Driving under the influence is illegal in all states
- No open containers in vehicles
- THC stays in your system - don't drive even hours after use
Traveling with Cannabis
- Cannot bring on airplanes (TSA is federal)
- Cannot cross state lines
- Cannot bring onto federal property
Key Takeaways
- 21+ for recreational, 18+ for medical (with card)
- Possession limits vary by state (typically 1-2.5 oz flower)
- Never use in public or drive under the influence
- Don't cross state lines with cannabis
- Federal law still applies in certain situations
Have questions about this topic?
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