Is it a plum? Is it a peach? No, it's passion fruit! Its name is exotic and invokes a bit of mystery, but what exactly is passion fruit? And how should. The era of nectarcots, pluots, and jazz apples is upon us as biologists turn their attention to developing delicious, imaginative tastes. These fruits are the resulting hybrids from stone-fruit breeding. When You Cross a Plum With an Apricot A hybrid fruit is the result of cross. Wondering how to store and ripen your favorite fruit? These tips tell you what to do with everything from apples to avocados, pomelos to passion fruit. wash your hands, and rinse fruit in cold water before eating, even if it's organic. . Once ripe, refrigerate pluots as necessary to prevent spoiling, but cold. Passion fruit is a native South American fruit used in many dessert and and the fruits vary in size from about the size of a plum to the size of a grapefruit. Some prefer to eat passion fruit when it is overripe because the pulp. Is it a plum? Is it a peach? No, it's passion fruit! Its name is exotic and invokes a bit of mystery, but what exactly is passion fruit? And how should. Two years ago I planted a passion flower (Passiflora caerulea). This year I had lots of flowers and fruits, which ripened to a plum shape and.