This varietal, once known as Bonarda Piemontese or Bonarda Novarese is widespread in northern Italy. Its main areas of cultivation are: Piedmont (Monferrato, in particular, and the hills near Chieri), Lombardy and Emilia-Romagna.
Medium-sized, five-lobed leaves with short green petioles with deep pink nuances.
Bonarda bunches are medium-large and pyramidal, with two to three wings. Generally loose, occasionally it can display tightly-packed berries.
The berries have an ellipsoid shape and are medium-small. The skin is covered with bloom and is a blue-black color.
Budbreak: Medium-early (by mid-April).
Ripening: Medium-late (last ten days of September).
Bonarda is a highly productive grape variety, supported by remarkable vigor. It favors mixed or short Guyot pruning.
It is known for its sensitivity to frost and downy mildew as well as its proneness to millerandage. It has proven to be particularly resistant to powdery mildew.