Yielding a dry and subtly scented wine, Arneis is the star white grape ofPiedmont. Though the grape has been local to Roero since the 1400s, it didnt experience real popularity until the 1980s when local demand for white wine exploded. Somm SecretA few key Roero producers are also focusing on exploring the ageability of high quality Arneis. It is only grown outside of Piedmont to a very limited extent.