The latest edition of the Canada Food Guide recommends that half the foods Canadians eat in a day should come in the form of fruits and vegetables. It does not, however, make any mention of where these foods should come from. But the threat of punishing trade tariffs from U.S. President Donald Trump (not to mention his continued talk of annexation) has many Canadians wondering if the produce they buy from the United States might be better sourced from closer to home.