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The Leaf Register
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Cannabis Calendar · June 2028

Cannabis events & dates — June 2028

Everything on the cannabis calendar for June 2028: 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.

June 2028

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

                                                                      All items in June 2028

                                                                      1 item
                                                                      1. Jun 30, 2028

                                                                        California cannabis excise tax — AB 564 15% rate period ends

                                                                        Tax deadlines

                                                                        AB 564 rolled California's cannabis excise tax back to 15% (from 19%) effective October 1, 2025, through June 30, 2028. Retailers should watch CDTFA guidance ahead of this date for the rate that follows.

                                                                        CDTFA — cannabis retailers ↗Add to calendar

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