A comprehensive schedule of Colorado cannabis events, marijuana conferences, hemp expos, and weed conventions for 2025 and 2026:
2025
Date |
Event |
Details |
Once every 3 months |
Retail Marijuana Public Health Advisory Committee |
The advisory committee reviews scientific literature on marijuana's health effects, discusses and forms consensus on these effects, translates the findings into public health messages, recommends policies, identifies research gaps, and suggests surveillance activities. Meetings can be attended in person (in Denver), or remotely. |
April 10–12, 2025 |
NoCo Hemp Expo |
A hemp-specific networking event, held at the Events Complex and Conference Center, at a retreat in Estes Park. |
April 20, 2025 |
Mile High 420 Festival |
An annual cannabis culture celebration featuring live performances, artistic displays, and a wide range of vendors. The festival draws attendees from across the nation. |
June 12–13, 2025 |
Cannabis Law Institute |
This leading yearly event for professionals in cannabis law unites attorneys, regulators, and industry leaders to explore ongoing changes and developments in cannabis legislation. |
September 19–21, 2025 |
National Interdisciplinary Cannabis Symposium |
This symposium gathers professionals from diverse disciplines to explore the various dimensions of cannabis, such as its legal, medical, and societal aspects. Registration begins on January 1, 2025. |
October 1–3, 2025 |
Cannabis Research Conference |
An annual scientific event with a focus on advancing cannabis and hemp science. |
TBD |
AICPA & CIMA Cannabis Industry Conference |
An annual conference to understand the latest cannabis laws and regulations, held in Aurora. |
2026
Date |
Event |
Details |
Once every 3 months |
Retail Marijuana Public Health Advisory Committee |
The advisory committee reviews scientific literature on marijuana's health effects, discusses findings, recommends policies, identifies research gaps, and suggests surveillance activities. Meetings can be attended in person (Denver) or remotely. |
TBD |
Cannabis Research Conference |
An annual scientific event focusing on advancing cannabis and hemp science, held in Fort Collins. |
TBD |
AICPA & CIMA Cannabis Industry Conference |
An annual conference to understand the latest cannabis laws and regulations, held in Aurora. |