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.caMushroom trade impacted by U.S. duties are now in place in response to a government probe 2.84% broadly 1.62% rate for Champ's Fresh Farms and 4.97% for Farmers' Fresh Mushrooms; an anti-dumping duty decision to be announced later in May 2026; Following a complaint by U.S. mushroom producers; Canadian growers warn tariffs could impact cross-border trade across agriculture; advocates say the duties restore level playing field; Announcements were published in the federal register; CBC and related outlets reported in May 2026.