Even if the tariffs were to be reversed tomorrow, one wine business leader said, it’ll take "at least a year, if not longer, for my industry to recover.”

Canada’s break from American-made wine and the Trump administration’s global tariffs have compounded the struggles of the United States’ already-stressed wine industry to the point that it may be difficult for much of it “to come back from,” an American wine organization leader told NBC News.

“Canada is the single most important export market for U.S. wines with retail sales in excess of $1.1 billion annually,” Robert Koch, the California Wine Institute’s president and CEO, said in a statement.

Last month Canada united to boycott American wines — taking all U.S.-made vino and alcohol off its liquor and wine store shelves and out of restaurants across the country — as an aggressive retaliatory response to Trump’s tariffs on its political ally north of the border.