Winegrowers Supplies -  Vine variety information

Hibernal  (originally known as Gm. 322 58)

Mother: Seibel 7053 = (Chancellor x Riesling) x (Seibel 7053 x Riesling). It contains genes from Vitis labrusca, Vitis lincecumii, Vitis rupestris and Vitis vinifera.
Father: Riesling, said to be clone 239. Note: clonal selection of vines started in Germany in 1928, it takes 25 years to formally register a clone.

A white Piwi/disease-resistant variety, with some similarities to Sauvignon blanc and Scheurebe.

Year of breeding: 1944, by Heinrich Birk. Variety protection since 1977.
The variety was selected in 1958 from a seedling population of a breeding strain from 1944 that had freely flowered in 1947.
Country of origin: Germany
Breeder/License holder: Forschungsanstalt Geisenheim / Rheingau,
                                  Institut für Rebenzüchtung und Rebenveredlung
Number of clones: 1 Gm

Year of entry into the German Federal Office's Varieties Register: 1999
Area planted in Germany : about 1 hectare
some planting in Eastern European countries and Canada because of it's very high winter frost tolerance.
Area planted in England: none

Wine Character - colour: yello-green
                      - bouquet: light
                      - palate: full-bodied, fine, fruity, racy wine, very similar in many years to Scheurebe and Sauvignon blanc.


photo by Julius Kühn-Institut (JKI), Federal Research Centre for Cultivated Plants, Institute for Grapevine Breeding Geilweilerhof - 76833 Siebeldingen, Germany.

Time of bud-burst: early to middle

Strength of growth: strong, upright
Growth of side-shoots: weak to average

Flowering time: middle
Flowering strength: medium

Leaf: - size: medium      - shape: 
        - colour: 
        - surface undulation:                  - petiolar sinus: closed

Grape bunch: - size: medium     - density: 
Berries:        - size: small to medium                                   - shape: 
                   - skin colour: yellow-green          - taste:

Time of veraison: late
Time of harvest: 

Grape yield: medium, somewhat higher than Riesling
Must-weight: higher than average
Must-acidity: medium, 3 g/l lower than Riesling

Wood ripening: 
Winter hardiness: extremely good
Wood colour: dark brown

Chlorosis resistance: 
Resistance against - Oidium: high          - Peronospora: very high
                           - Botrytis: high             - Roter Brenner: 
                           - Phomopsis              - Stem-atrophy: 
if the mildew infection conditions are severe, one spray is recommended just before flowering.

Preferred soil: suitable for all types
Suitable rootstocks: 

Normal stem height: 
Normal row spacing: 
Vine spacing in the row: 

Winter Pruning:                      eyes/buds per sq. metre of land occupied by the plant.

Advantages: high resistence to mildews/diseases.

Disadvantages: .