President Donald Trump says his tariffs on Canada and Mexico are starting next month. The comment Monday indicates the end of a monthlong suspension on planned import taxes that could potentially hurt growth and worsen inflation.

President Donald Trump said on Monday that tariffs on Canadian and Mexican imports are "on time and on schedule" despite efforts by the countries to beef up border security and halt the flow of fentanyl into the U.

Trump also indicated he was pushing forward with a plan for so-called reciprocal tariffs.

President Donald Trump said sweeping tariffs on Canada and Mexico "will go forward" when a monthlong delay on their implementation expires next week.

President Donald Trump, asked on Monday whether tariffs would be placed on Canadian and Mexican goods when the deadline for a pause on such action arrives next week, reiterated his view that the United States had been mistreated by its neighbors and allies.

Gasoline prices are up 29 cents a gallon in Arizona since President Trump took office; prices for produce and other consumer products could spike if he enacts more tariffs on Canada and Mexico, experts say.

President Donald Trump said on Monday that tariffs on Canadian and Mexican imports are "on time and on schedule" despite efforts by the countries to beef up border security and halt the flow of fentanyl into the US ahead of a March 4 deadline, reported Reuters .

One human smuggler who spoke to NBC News said the Mexican troops wouldn’t make a difference, but conceded stricter border policies had significantly cut into his business.

The leaders of Mexico and Canada have been willing to appease U.S. President Donald Trump to avoid tariffs on their products.