They subjected the roots to genetic testing at the University of Milan and were able to identify the exact type of vine that Leonardo had planted – a variety known as Malvasia di Candia, which is still grown in the hills around Piacenza, a town in the Emilia Romagna region, south of Milan. The experts have replanted Malvasia di Candia vines, recreating Leonardo's original vineyard, in the garden of the palazzo in Milan's Corso Magenta.