Colorado brand Rockmount made a weed-themed cowboy shirt to celebrate the state's new cash crop.

The issue started in 2012 when Iowa State approved a T-shirt design for the school's chapter of the National Organization for the Reform of Marijuana Laws - or ISU NORML.

Iowa State violated First Amendment by barring pro-marijuana student group from printing T-shirts with ISU logo (plus cannabis leaf) ...

Iowa State University has lost an appeal in a federal free speech lawsuit that affirms student rights regardless of political viewpoint.

NASCAR’s current policies don’t allow marijuana-related designs, but we’re here to push boundaries and change the game. Maybe one day, you’ll see this on the track!” ...

Denver dispensary Seed & Smith will debut a new strain selected by the cultivation staff every month, with hats and shirts sporting creative designs to commemorate the high times. The dispensary ...

Two Iowa State University students are suing school officials after the university's trademark licensing office forbade a pro-marijuana group from using the Cy logo on T-shirts.

Students also said ISU administrators had initially approved the group’s T-shirt design that featured CY and a small cannabis leaf in October 2011, but then withdrew their approval after ...