U.S. slaps duties on fresh Canadian mushrooms over ...
The United States has put countervailing duties on fresh mushrooms grown in Canada following a U.S. Department of Commerce investigation.
globalnews.caU.S. countervailing duties on Canadian mushrooms are now in place as a response to a Commerce Department investigation 2.84% broadly rates including 1.62% for Champ's Fresh Farms 4.97% assigned to Farmers' Fresh Mushrooms; an anti-dumping determination is expected later in May 2026; Prompted by a U.S. mushroom producers’ complaint; Canadian growers warn tariffs could impact cross-border trade across agriculture; the U.S. industry argues they restore level competition; The announcements appeared in the federal register; CBC and related outlets reported in May 2026.