Winegrowers Supplies -  Vine variety information

Calardis Blanc (originally known as Gf. 1993-22-6)

Mother: Calardis Musqué
Father: Seyve Villard 39-639

A white Piwi/disease-resistant variety.

Year of breeding: 1993
Country of origin: Germany
Breeder/License holder: Bundesforschungsanstalt für Rebenzüchtung Geilweilerhof, Siebeldingen/Rheinpfalz
Number of clones: 0

Year of entry into the German Federal Office's Varieties Register: 2018

Area planted in Germany:

Area planted in England:

Wine Character:
        - white
        - bouquet:
        - palate:


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

Time of bud-burst: late, 2 days after Müller-Thurgau

Strength of growth: upright
Growth of side-shoots: weak

Flowering time:
Flowering strength:

        - size:
        - shape:
        - colour:
        - surface undulation:
        - petiolar sinus:

Grape bunch:
        - size: medium to large
        - density: loose
        - size:
        - shape:
        - skin colour:

Time of veraison:
Time of harvest: middle-late, half-way between Müller-Thurgau and Riesling.

Grape yield:
Must-weight: high, well above Müller-Thurgau.
Must-acidity: medium, a little less than Müller-Thurgau.

Wood ripening:
Winter hardiness: high
Wood colour:

Resistance against:
        - Oidium: medium
        - Peronospora: high
        - Botrytis: medium-high
        - Roter Brenner:
        - Phomopsis:
        - Stem-atrophy:
        - Chlorosis:

Preferred soil:
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 resistance against mildews.