Sweet 100 cherry tomatoes are one of the most popular varieties for at-home gardeners ... eight hours of exposure each day to provide the best-tasting—and most productive—yield.

When the farmers of southern Italy learned to sun-dry their tomato crop in the long wake of its arrival to the country from the New World in the 1500s, the primary goal was preservation, not flavor.

If you like your tomatoes sweet, the smaller cherry ... commercial varieties by knocking out these genes,” says Zhang. “It is still at the beginning stages.” Besides tasting sweeter, another ...