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Roesler has a high resistance against fungal diseases and is favoured in organic viticulture. A new crossing conducted in Klosterneuburg.

Austria, LFZ Klosterneuburg

New breed from Blauer Zweigelt x Klosterneuburg 1189-9-77 (= Seyve Villard 18-402 x Blaufränkisch)

278.63 ha; 0.6%


Natural seedling from new crossing between Blauer Zweigelt and Klosterneuburg 1189-9-77 (= Seyve Villard 18-402 x Blaufränkisch) by Dr Gertrude Mayer at the LFZ in Klosterneuburg

Vineyard area

This variety has been an approved Qualitätswein variety in Austria since 2000 and is one of the fungus-resistant varieties.

A picture shows grapes of the grape variety Roesler.

Important ampelographic features

© Austrian Wine / Oberleithner

Important ampelographic features


large, five to seven lobes, with a heavily vesicular surface

Grape cluster

large, loose berry density, cone-shaped, shouldered, with one to two secondary clusters; berries are small, round and bluish black in colour






very early
early to middle
middle to late
very late

Significance & conditions

Due to its strong colour, Roesler is also used in cuvée blends.
It benefits from a good partial resistance to oidium and Peronospora, and can tolerate winter frosts very well.

Area under vine in Austria
(as a proportion of the variety’s total area)

Click on the wine origin in the list for a breakdown into more specific regions of origin.

Total area in Austria:

The Leithaberg and Neusiedlersee wine-growing regions overlap by almost 160 ha (Rieds Hausberg and Neuberg), according to the Austrian Wine Law. This means that the listed area under vine in Burgenland is 160 ha less than the actual total area across all wine-growing regions in Burgenland.

A picture shows a person holding a glass of red wine.

Characteristics of the wine

© Austrian Wine / Blickwerk Fotografie

Characteristics of the wine

Yields red wine with pronounced wild berry aromas. The colourful berries create extremely dark wines that are rich in extract, body and tannins.



New Varieties

Source varietal specifications: Höhere Bundeslehranstalt und Bundesamt für Wein- und Obstbau (Federal College and Federal Office for Viticulture, Oenology and Fruit Growing) in Klosterneuburg, “Austria’s Qualitätswein grape varieties and their clones“ („Österreichische Qualitätsweinrebsorten und deren Klone“), 2nd, reviewed edition, September 2015

Source area under vine: Calculation by Austrian Wine based on data from BML/IACS (as at 28 June 2023). Moving annual total (MAT) from June 2022 to June 2023.