Sheegene-20
ActiveVitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
10 August 2026
The variety is the result of an interspecific cross of the Mondeuse blanche and Tressot noir varieties. It was traditionally cultivated in the Alpine region of France and was historically known in Switzerland as Rouge de Diolly.
The vine is characterized by vigorous growth and high productivity with a semi-erect shoot habit. It is an early-ripening variety, susceptible to downy mildew, less frequently affected by powdery mildew, and prone to flower abortion.
Clusters are small to medium, compact, and often winged. Berries are medium-sized, ellipsoid or round in shape, with moderately thick skin and juicy flesh. The variety is used for the production of wines with intense color and high tannin content.
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.
№ 4056130
Records are sourced from official registry publications. Data sources and legal status
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Same species
Vitis vinifera L. · Common grape vine
TIMOTHY SHEEHAN
Vitis vinifera L. · Common grape vine
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Vitis vinifera L. · Common grape vine
Timothy P Sheehan, Sheehan Genetics LLC
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Vitis vinifera L. · Common grape vine
INCONNU (FR)
Vitis vinifera L. · Common grape vine
Nearby in the species list Rypariia Rupestris 4923, Rypariia x Rupestrys 101-14, Rypariia x Rupestrys 4923, Ryslinh reins`kyi, SABIMIL, SABRO, Sacy, Saint-Côme, Saint-Macaire, Saint-Pierre doré, SAMSO BLANC, Sandanski misket, Sangiovese, SANGUINA, Sanlorenzo, SANTA FE, SANTA MAGDALENA, SANTA PAULA, Saperavi, Saperavi Kartlos