About PIWI Grapes

Questions

PIWI Grape Varieties

PIWI Canada

German PIWI Grapes

Germany has the most extensive breeding program at this time, with three institutes (JKI, Frieberg and Giesenheim) contributing to developing modern PIWI grapevines.

Available PIWI Varieties

Other German PIWI Varieties

Though there are extensive breeding programs in the EU, access for Canadian growers is currently not available for these varieties. Specific varieties, like Villaris, which is a Vidal Blanc cross, would offer significant fungus resistance improvements over Vidal while having a similar flavour profile, sugar and acidity with cold hardiness.

Part of PIWI Canada’s goal is to increase access to these varieties.

JKI/Geilweilerhof

Frieberg

Future variety to keep an eye on: FR 628-2005 R as it has near total Powdery Mildew resistance

FREIBURG 628-2005 R

The Vitis International Variety Catalogue (VIVC) is a database of various species and varieties/cultivars of grapevine, the genus Vitis

www.vivc.de

Giesenheim

• German PIWI Grapes
• Available PIWI Varieties
• Other German PIWI Varieties
• JKI/Geilweilerhof
• Frieberg
• Giesenheim