The White House gave a press preview for the State Dinner honoring PM Justin Trudeau and they chose the colors, flowers and menu with 'an ambiance that reflects the scenic beauty of our shared border and celebrates the coming of spring.' The first course is a baked Alaskan Halibut Casserole accented with asparagus, chanterelles and spring onion from a farm in Ohio, and finished with herbed butter sourced from Mrs. Obama's White House Kitchen Garden.