Concord grapes are used in seemingly every grape-flavored product and yet they don't typically appear in the produce aisle, so how are they different?

It's easy to imagine red grapes being interchangeable for serving, eating, making wine, or mixing into recipes. But with thousands of grape varieties across the world and at least 350 red grapes ...

the U.S. Department of Agriculture’s Agriculture Research Service in Fresno County has produced some of the most popular table grape varieties in the nation, including the first red seedless ...