Kay Gray
interspecific hybrid
Kay Gray is a grape variety with white berries.1
Its country of origin is United States.2
In 2023 it covered 0.5 hectares of bearing vineyards worldwide, ranking 1298 of 1497 varieties in the database.2
It is now grown in one country only: Canada.2
Between 2010 and 2023 its area shrank by 62%.2
VIVC lists its parents as Elmer Swenson 217 × Onaka, as given by the breeder or the literature.1
Crossed in 1965 by Swenson, Elmer.1
VIVC records 2 other names for it.1
Area by country
Area, 2023
Where Kay Gray grows
Countries from the University of Adelaide database; dots mark country centres, not regions.
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Other names
Key Gray · Elmer Swenson 1- 63 · Es 1- 63
Offspring (VIVC)
Parents
Other varieties from United States
Sources
- VIVC passport no. 6051. 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