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The Leaf Register
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Cannabis Calendar · August 2027

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.

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August 2027

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                                                                    This month · dates TBA

                                                                    KeyEventSalesPolicyRegulatoryTaxCultureDashed outline = date estimated or pending; confirm with the organizer before booking.

                                                                    All items in August 2027

                                                                    2 items
                                                                    1. August 2027 · dates TBA

                                                                      The Emerald Cup 2027

                                                                      Awareness & cultureSanta Rosa, CASonoma County Fairgroundsest.

                                                                      California's long-running craft cannabis competition and festival. The 2026 edition ran August 15–16 in Santa Rosa; 2027 dates not yet published.

                                                                      Organizer: The Emerald CupThe Emerald Cup ↗Add to calendar
                                                                    2. Aug 2, 2027

                                                                      California cannabis excise tax return due — Q2 (Apr–Jun)

                                                                      Tax deadlines

                                                                      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).

                                                                      CDTFA — cannabis retailers ↗Add to calendar

                                                                    Missing an event in August 2027?

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