Today, truffles are found in temperate areas of Mediterranean Europe, western North America and Australia. They find their way into some of the world's best restaurant kitchens within a few days (sometimes hours) of being foraged.

Where are truffles found in the United States?

In the United States, black Perigord truffles and Burgundy truffles (Tuber uncinatum) are currently being produced in North and South Carolina, Tennessee and Virginia. Other farms in West Virginia, Maryland and Delaware are close to harvesting.

Why truffles are so expensive?

Truffles are costly because they're hard to find, frustrating to grow, and impossible to store for any length of time. They generally range from strawberry- to apple-sized, though larger ones have been discovered. ... Black truffles from France and white truffles from Italy are the two most highly valued.