We Are Harvesting Lots of Black Perigord Truffles at NCSU! We Are Harvesting Lots of Black Perigord Truffles at NCSU! 01/02/2020 admin 1/31/2020 – Skepticism was high in 2010 when we planted our first filbert orchard with young trees inoculated with the Black Perigord truffle. View full article