RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The variety is autochthonous to the alpine region of northeastern Italy. This name encompasses a group of related clonal varieties historically grown in Trentino-Alto Adige and Germany.
The plant is characterized by vigorous growth and high yield, while it ripens late and requires warm sites with good insolation. The pergola vine training system is traditionally used.
The wine grape variety is characterized by a moderate alcohol content in the final product and soft tannins. The form of the variety known as Trollinger possesses high frost resistance but is susceptible to rot, powdery mildew, and downy mildew.
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.
№ Schiava grossa*IT 5
Records are sourced from official registry publications. Data sources and legal status
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Same species
Vitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
Vitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
Vitis L. · Grapevine
David W.Cain
Vitis L. · Grapevine
Vitis L. · Grapevine
Vitis L. · Grapevine
Nearby in the species list Vermentino, Vermentino B., Vermentino Nero N., Vernaccia, Vernaccia di Oristano B., Vernaccia di San Gimignano B., Vernaccia nera grossa N., Vernaccia nera N., Vernaccina B., Vernatsch*, Vertzami N, Veruccese B., Vesna, Vespaiola B., Vespolina N., Vialla, Victoria, Victoria B., Vidadillo, Vidal blanc