Mela San Giovanni is an apple of Alta Irpinia, grown in Avellino province in the Ufita country that lies between Grottaminarda and Ariano Irpino. What makes it worth a second look is not a winter cellar story but speed: among apple cultivars it belongs with those that finish first, a fruit that arrives while the year is still climbing toward high summer.
The name is a calendar, not a flourish. The crop comes on very early, clustered around 24 June, the feast of San Giovanni, and that is why it is called as it is. Imagine the orchard turning before most apples have even begun to colour: a small, local clock that rings at midsummer rather than at harvest fairs.
The practical takeaway is geographic and seasonal at once. If you are placing Campania apples on a map, look to that Ufita strip in the Avellino hills and expect fruit at the front of the ripening order, not a late keeper. From here the natural next step is other Irpinian orchard names that share the same ridges, still read against the same midsummer marker.