Potatoes are not a grain, according to a bipartisan group of 14 senators who want the Agriculture and Health and Human Services departments to continue classifying the starchy spud as a vegetable.

Sen. Susan Collins (R-Maine) said she received assurances Wednesday that potatoes will not be reclassified as a grain, a move she feared would give the impression that one of Maine’s key crops ...

The International Potato Center (CIP ... are ready to harvest earlier than most grains, and contain significant levels of essential vitamins and minerals. CIP has built on these attributes ...