As home gardeners in the U.S. page through seed catalogs and pick out their favorite heirlooms, there's a new seed that has never been available to them before: a tomato the color of a concord grape ...

Tomatoes are among some of the most popular plants to grow in a home garden. Not only is the fruit highly versatile in cooking, but there are also a ton of varieties — at least 10,000, in fact — from ...