Sheegene-20
ActiveVitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
10 August 2026
The variety was bred in California by crossing the varieties Chasselas, Kishmish Chernyi and Alphonse Lavallée. The period from bud break to harvest maturity is 145–155 days, ripening occurs in late September — first half of October.
Bushes are vigorous, the flower is functionally female. Clusters are large, weighing 500–1000 g. Berries are large, with thin skin, suitable for transportation and long-term storage. The variety is intended for southern regions, resistance to fungal diseases is medium or low.
1 jurisdiction
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 10900032
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Same species
Vitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
Vitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
Vitis vinifera L. · Common grape vine
Timothy P Sheehan, Sheehan Genetics LLC
Vitis vinifera L. · Common grape vine
Vitis vinifera L. · Common grape vine
Vitis vinifera L. · Common grape vine
TIM SHEEHAN
Nearby in the species list Big Muscat Seedless, Big Perlon, Bilotserkivskyi, Birstaler Muskat, Black Drop, BLACK FINGER, Black Glory, BLACK GRAPE ONE, Black Magic, Black Pearl, BLAGRAONE, Blagratwo, Blanc Dame, Blanc Seedless, BLANCA CERVERA, BLANCA DE ALBURQUERQUE, BLANCA DE MONTERREI, BLANCA DEL MAAR, BLANCA DEL TOLLO, BLANCA GORDAL