Cannabis events & dates — August 2027
Everything on the cannabis calendar for August 2027: 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 August 2027
3 items- August 2027 · dates TBA
The Emerald Cup 2027
California's long-running craft cannabis competition and festival. Third-party listings put the 2026 edition at the Sonoma County Fairgrounds on August 15–16; the organizer has not published 2027 dates (its site currently serves outdated content).
- Aug 2, 2027
California cannabis excise tax return due — Q2 (Apr–Jun)
Cannabis retailers file the CDTFA cannabis retailer excise tax return and payment for Q2 (Apr–Jun). The excise rate is 15% through June 30, 2028 (AB 564).
- Aug 6–7, 2027
Lucky Leaf Expo — Philadelphia
Lucky Leaf's annual Pennsylvania cannabis convention at the Greater Philadelphia Expo Center (Oaks, outside Philadelphia) — exhibitors and education for the state's medical market.
Missing an event in August 2027?
Organizers are listed free. Send us the dates and the source and we’ll add it after checking.