Calville Blanc d'hiver
The Calville Blanc d'hiver is an apple cultivar. It originated in France in the 17th century from a chance seedling.
The older apple varieties that carry the name "Calville" are very popular in Germany and are notable for their unusual look. Calville Blanc d'hiver apples have excellent flavor and an unusually high amount of vitamin C. It is the preferred apple for Tarte Tatin in France.
'Calville Blanc' is one of the apples grown at Monticello by Thomas Jefferson.