On the Sitenrain we only grow “PiWi”-varieties. These disease-resistant crossings have a high
resistance to fungus and therefore can be grown without chemical treatments. That’s the reason why they work very well for organic viticulture.
Solaris was bred at the Institute for Viticulture in Freiburg in 1975 by crossing Merzling x GM 6493.
We like Solaris because it is resistant to a variety of diseases. It is a lot of work in the vineyard, though, because its shoots don’t stand up themselves and need to be placed in the trellis system by hand. It rewards this effort with its high natural sugar content producing full bodied, aromatic wines.
Solaris is still a rarity in Switzerland as only 25 hectares are cultivated. It can be found more to the north, mainly in Germany. The variety is very resistant to cold and id grown in Denmark, Sweden and even in Norway.