On the weekend after Ferragosto, Cortona organizes the Porcini Mushroom Festival in the Park of Cortona, called Parterre. Here you can taste different dishes all prepared with this delicious type of Mushroom.
Evey year the week end after Ferragosto ( the dates will be published few months before on the following website: https://www.cortonamia.com/en/cortona-events/)