When eating fruit, the bracha borei pri ha'etz is said. When eating different kinds of fruit, which should one recite the bracha over?
The most important principal is preference: Make the bracha over the fruit that you prefer over the others.
When one has no preference, and, some of the available from the seven species of Israel: then the fruit from the "seven species" take precedence.
Within the seven species of Israel, what is the order of precedence? wheat products, barley products, wine, olives, dates, grapes, figs, pomegranates.
Does a fruit that one hasn't eaten in a season and requires a shehcheyanu take precedence over personal preference? No, one should still start with the fruit they prefer.
If one has no preference and is eating a shehecheyanu fruit as well as fruit of the seven species: The seven special species take precedence.