What is blue gold of Carolina?

The "blue gold" of Carolina refers to blueberries, specifically the wild blueberries that are native to North Carolina and are highly valued for their unique flavor and antioxidant properties. North Carolina is one of the top producers of blueberries in the United States, and the industry plays a significant role in the state's agricultural economy. The term "blue gold" underscores the economic importance and desirability of these blueberries from North Carolina.