Canada By William GreenJuly 12, 2025Trump Slaps 35% Tariffs on Canada Starting August 1, Warns of Steeper Penalties if Ottawa Retaliates President Trump has announced a striking 35% tariff on Canadian goods, scheduled to kick in on August 1. He warned that even steeper tariffs could be imposed if Ottawa retaliates, escalating the fierce trade showdown between the U.S. and Canada