The best black truffles undoubtedly come from France, where winter black truffles are more commonly called the Diamond of Perigord. This exquisite mushroom tuber melanosporum vitt grows in the Provence region of France from December to March. During this season the truffle markets are abundant of this delicious tuber, black with a dark marbled interior, characterized by an earthy and chocolaty flavor. The Black winter truffles are an amazing experience. The winter truffle is strong and highly pungent in aroma with a rich deep earthy flavour. Winter truffles are what food lovers dream about and food experts write about. Used well, they are a true culinary experience. At the Mushroom Shop we stock French winter truffles (regarded as the finest in the world). Winter truffles have a black skin and black marbled flesh.