The white grape variety is a new breed between Bacchus x Seyve-Villard 12-375 ( Villard Blanc ). By the way, the two new breeds are with the same parents Phoenix and Sirius emerged. They are genes from Vitis berlandieri. Vitis rupestris and Vitis vinifera contain. The crossing of the hybrid was done in 1964 by Dr. Gerhardt Alleweldt (1927-2005) at the Institute of Vine Breeding Geilweilerhof in Siebeldingen-Pfalz. The name was given after the German noble family Hohenstaufen (the first intended name Silva was discarded because of the risk of confusion with the Silvaner). The variety protection was granted in 1994. The variety is resistant to both mildews and Botrytis which is why they are considered PIWI Variety applies. It renders fruity tasting white wines. In 2010 the vineyard area in Germany was one hectare.
Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)