As biting prices weigh on families heading into the US holiday season, farmers and business owners say President Donald Trump's tariffs have driven up production costs on everything from turkeys to vegetables.

Grocery prices rose 2.7 percent from a year ago in September, recent government data showed, while a Politico poll found that groceries were the most challenging category for Americans to afford.

Originally published on doc.afp.com, part of the BLOX Digital Content Exchange.