The white grape variety originates from the USA. Synonyms are Delavar, Delavar Rozovii, Delavar Serii, Delawar, Delaware Piros, Fehér Delaware, French Grape, Gray Delaware, Heath Grape, Ladies Choice, Piros Delaware, Powell, Rose Colored Delaware, Ruff and Ruff Heath. The Swiss aristocrat Paul Henri Mallet-Prevost (1756-1833), who emigrated to the USA, bought a piece of land in New Jersey in 1794 and was engaged in vine breeding there, among other things. He is considered to be the breeder of the variety. According to DNA analyses carried out in 2015, the always assumed parentage was confirmed. The variety is a cross(Vitis aestivalis x Vitis labrusca) x Vitis vinifera. Mallet-Prevost gave cuttings to Benjamin Heath (hence one of the synonyms). Heath moved to Ohio in 1837 and took the vine with him. There he gave cuttings to his neighbour Abraham Thompson. Thompson was so enthusiastic that he sent cuttings to the Massachusetts Horticultural Society in 1855 and named them "Grape from Delaware City, Ohio". The vine spread to many states under the name Delaware.
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Restaurantleiter, Sommelier, Weindozent und Autor; Dresden