E.
But the discovery of the mutated red-fleshed, sweet-flavored Ruby Red grapefruit tree changed all that, and gave birth to the great Texas grapefruit industry. Due to high demand, Texas eliminated all pink and white grapefruit trees and dedicated their time and land to cultivating Ruby Red grapefruits and other red-fleshed varieties. Furthermore, standard and dwarf Ruby Red Grapefruit Trees bear large-sized grapefruit that have red-blushed yellow rind and sweet, luscious deep ruby flesh. Aside from being rich in vitamin C, Ruby Red grapefruit also contain vitamin A, potassium, dietary fiber and other nutrients.