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Americans are farming truffles and finding success. Here’s how

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There are around 100 truffle orchards in the U.S. , according to the North American Truffle Growers’ Association .

The magic behind rich, earthy truffles lies in the relationship between a tree’s roots and the fungi tuber melanosporum, commonly known as the black truffle.

Unlike other edible fungi, the fruit of the truffle spores remains below the soil.

Researchers say knowing more about native truffles could be the next frontier.

North American Truffle Growers’ Association has about 200 members, including farmers, researchers and foragers.

Truffles are expensive, retailing between $800 and $1,000 per pound, but the flavor can be mimicked by artificial flavors.