The winery Leopold and Silvane summer is located in the community Donnerskirchen in the Burgenland DAC area Leithaberg
(Austria). The family operates documented since the year 1698 viticulture. A guest house is connected. The vineyards cover 20 hectares of vineyards. They are 75% of the white varieties Grüner Veltliner (6.5 ha), Welschriesling (3 ha), Riesling, Chardonnay, Sauvignon Blanc, Muscat Ottonel, Gewürztraminer and Rivaner, and to 25% with the red varieties Blaufränkisch
, Zweigelt , Cabernet Sauvignon, St. Laurent and Merlot planted. Leopold Sommer is also known as "Mister Veltliner", because for the Burgenland rather unusual top wines from this variety are vinified in the four variants "L & T" (light and dry), "Classic", "Premium M" and "Reserve". Other premium wines are the "Cuvée Noire Leithaberg" (Zweigelt, Blaufränkisch
), the white wine cuvée "Primus Pannonikus" (Grüner Veltliner, Rivaner), Sauvignon Blanc Premium and Blaufränkisch
Premium. There are also brandies, bottle fermented sparkling wine and a altar wine
generated. An export takes place to Germany, England, Switzerland, the Czech Republic and the USA. The winery is a member of the two winegrower associations Weinquartett Donnerskirchen and Vinology.