Cannabis events & dates — October 2026
Everything on the cannabis calendar for October 2026: conferences and trade shows, retail sales days, policy and voting dates, and regulatory and tax deadlines. Click any item for details and add-to-calendar links, or switch to the week and day views.
KeyEventSalesPolicyRegulatoryTaxCultureDashed outline = date estimated or pending; confirm with the organizer before booking.
All items in October 2026
8 items- October 2026 · dates TBA
CHAMPS Trade Show — Austin
CHAMPS' fall Texas edition. Exact October dates not yet published on the organizer's site.
- Oct 2–3, 2026
NECANN New York Cannabis & Hemp Convention
NECANN's New York convention in Albany — the state's largest B2B cannabis and hemp gathering. Dates per the New York State Cannabis portal; confirm on necann.com.
- Oct 6–8, 2026
Cannabis Research Conference
Academic and applied research conference on cannabis science, agronomy and health. Dates from a third-party listing.
- Oct 14–15, 2026
MJ Unpacked — Kansas City
Curated conference and expo for licensed operators, brands and retailers, with investor programming. Pre-conference activities October 13.
- Oct 15, 2026
Extended federal return due — C-corps & individuals
Extended 1120 and 1040 returns are due.
- Oct 21–22, 2026
Hall of Flowers — New York
Curated B2B trade show pairing licensed New York retailers with brands and ancillary providers.
- Oct 27, 2026
State of the Cannabis Industry Conference
One-day Boston conference on the state of the industry. Dates from a third-party listing.
- Oct 31, 2026
Missing an event in October 2026?
Organizers are listed free. Send us the dates and the source and we’ll add it after checking.