Opal (apple)

opal® is the brand name for apple cultivar 'UEB 32642'. The variety originates from a natural crossing of 'Golden Delicious' with 'Topaz'.[1]

Hybrid parentage'Golden Delicious' x 'Topaz'
Cultivar'UEB 32642'
OriginCzech Republic

Developed by the Institute of Experimental Botany in Prague,[2] it is grown by FirstFruits Farms LLC in Washington and marketed by FirstFruits Marketing.[3][4]

It is also cultivated in Austria, Italy, Spain, Germany, Slovenja, France[5] and the United Kingdom. 'UEB 32642' is a variety registered at the Community Plant Variety Office of the European Union[6] under EU N°: 16749.

This variety of apple is naturally low in polyphenol oxidase and is often sold pre-sliced.


  1. "www.opal-apple.com". Retrieved 13 April 2022.
  2. "OPAL Information" (PDF). Institute of Experimental Botany. Retrieved 20 December 2012.
  3. "Apple growers marketing tasty new varieties". WCF Courier. October 20, 2010. Retrieved 20 December 2012.
  4. "US: Popularity of Opal apple continues to grow". The Global Fruit. Nov 2012. Archived from the original on June 26, 2013. Retrieved 20 December 2012.
  5. Brown, S.K.; Maloney, K. E. (Fall 2009). "Making Sense of New Apple Varieties, Trademarks and Clubs: Current Status" (PDF). New York Fruit Quarterly. Geneva, NY: Department of Horticultural Sciences, Cornell University. 17 (3): 11. Archived from the original (PDF) on 2016-03-04. Retrieved 2012-12-20.
  6. "Certificate on the grant of Community Plant Variety Rights" (PDF). Institute of Experimental Botany. Retrieved 20 December 2012.

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