Sheegene-20
ActiveVitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
10 August 2026
The variety is a hybrid of Optima and Villard Blanc with a genetic composition including the species Vitis vinifera, Vitis berlandieri, Vitis rupestris and Vitis labrusca. The vegetation period is 135–140 days. The bushes have medium vigor, good shoot maturation and bisexual flowers.
Bunches are cylindrical-conical, moderately dense, weighing about 170 g. White berries weighing about 1.4 g have juicy pulp and firm skin. The variety belongs to the PIWI group, possessing high resistance to downy mildew, powdery mildew and grey mold, as well as frost resistance down to -27°C. The root system requires grafting onto phylloxera-resistant rootstocks.
The wine is intended for the production of dry white wines with a fruity taste and fresh acidity. Agrotechnics requires control of the load on the bush to ensure high-quality sugar accumulation and vine maturation.
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.
№ RBE 00090
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
Records are sourced from official registry publications. Data sources and legal status
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LAND BAYERN WUERZBURG| Land Bayern, vertreten durch Bayerische Landesanstalt fuer Weinbau und Gartenbau - Abt. Weinbau und Oenologie -
Nearby in the species list Ondenc, Onyx, Opál, Opalor, OPAS-1, Optima 113, Ora, Oraniensteiner, Orbois, Orfeida, Ortega, Oryhinal, Osella, Osteiner, Ovidiopol`s`kyi, Pécoui touar, Pagadebiti, Palas, Palatina, Palava