AZ HB2451

Prohibits marijuana establishment advertising to individuals under 21 years of age, including ads with names resembling child food/drink brands, cartoon or toy imagery (including Santa Claus), or content with special appeal to minors.

Bans marijuana advertising on public transportation shelters, buses, and trains; requires electronic/social media advertising to reach at least 71.6 percent audience of individuals 21 years or older.

Requires all marijuana advertisements to display a conspicuous warning: "Do not use Marijuana if you are under twenty-one years of age. Keep marijuana out of reach of children."

Prohibits billboard advertisements within 1,000 radial feet of child care centers, churches, substance abuse recovery facilities, public parks, playgrounds, and schools serving preschool through grade 12; prohibits billboards from displaying strain names, potency, or THC levels; prohibits images of individuals consuming marijuana.

Establishes $20,000 civil penalty per violation for unauthorized individuals or entities advertising marijuana or marijuana products; enforcement conducted by the Attorney General; effective June 29, 2025 upon three-fourths legislative vote.