Illinois Cannabis Laws
(IL)Illinois legalized recreational cannabis in 2020. Residents can possess 30g flower. Home growing for medical only.
Illinois is one of the states with legal recreational marijuana. View all recreational states →
Key Statistics
Quick Facts
Legal
Legal
21+
Dec 31, 2019
Recreational Cannabis Laws
30g flower, 5g concentrate (residents); 15g/2.5g (visitors)
30g flower, 5g concentrate, 500mg edibles (residents)
5 plants for medical patients only; not permitted for recreational
Medical Cannabis Program
2.5 oz per 14 days
5 plants
40+ qualifying conditions including cancer, HIV, PTSD, chronic pain
Need help getting your medical card? Complete guide to getting a medical marijuana card .
Federal vs Illinois State Law
Federal Law
Cannabis remains a Schedule I controlled substance under the federal Controlled Substances Act. Possession, distribution, and cultivation are federal crimes regardless of state law.
Illinois State Law
Status: Recreational & Medical Legal. Adults 21+ may possess and purchase cannabis at licensed dispensaries.
Federal employees, federal contractors, and anyone crossing state lines should follow federal rules regardless of state legalization.
Frequently Asked Questions
Official Resources
For the most up-to-date and authoritative information, visit the official state resource:
Illinois Official Cannabis WebsiteSources
- Illinois Official Cannabis Resource (accessed Dec 6, 2025)
Information last verified: Dec 6, 2025. Cannabis laws change frequently — always verify current rules with official state sources.
Quick Reference
- State
- Illinois (IL)
- Status
- Recreational & Medical Legal
- Rec Limit
- 30g flower, 5g concentrate (residents); 15g/2.5g (visitors)
- Med Limit
- 2.5 oz per 14 days
- Min Age
- 21+
- Home Grow
- 5 plants for medical patients only; not permitted for recreational