Duncan grapefruit is primarily grown in Florida and is available from November to March. Rio Red grapefruit is a popular ...

As the duchess of Rio Red Grapefruit, a staple of Texas citrus, she donned an elaborate red gown with rhinestones running down the length of the dress’s skirt to resemble sections of a grapefruit.

Newer varieties of grapefruit, like the Rio Red, are sweeter and much more palatable than the bitter bombs of yore. But, ...