Louise Swenson
interspecific hybrid
Louise Swenson is a grape variety with white berries.1
Its country of origin is United States.2
In 2023 it covered 3.1 hectares of bearing vineyards worldwide, ranking 1067 of 1497 varieties in the database.2
The largest area is in Canada: 1.9 ha (61% of the world total), across 2 countries.2
Between 2010 and 2023 its area grew by 7%.2
VIVC lists its parents as Elmer Swenson 2- 3- 17 × Kay Gray, as given by the breeder or the literature.1
Crossed in 1980 by Swenson, Elmer.1
VIVC records 2 other names for it.1
Area by country
Area, 2023
Where Louise Swenson grows
Countries from the University of Adelaide database; dots mark country centres, not regions.
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Other names
Elmer Swenson 4- 8- 33 · Es 4- 8- 33
Parents
Other varieties from United States
Sources
- VIVC passport no. 23781. Vitis International Variety Catalogue (VIVC), Julius Kühn-Institut, 2026. level 2
- Database of Regional, National and Global Winegrape Bearing Areas by Variety, 2000 to 2023. Anderson K., Nelgen S., Puga G. Wine Economics Research Centre, University of Adelaide (CC BY 4.0), 2026. level 3