RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The vine is vigorous with hermaphroditic flowers. The leaf is medium-sized, five-lobed, deeply dissected, dark green with light cobwebby pubescence on the underside. The mature vine is dark brown, the shoot tip is yellow-green with whitish pubescence.
The clusters are medium-sized, conical, and dense. The berries are dark blue, bluish-black, round or slightly oval, with bloom, thick skin, and strongly colored juice. The variety belongs to the mid-season maturity group and is characterized by early bud break.
The variety is capricious, sensitive to chlorosis, late spring frosts, and adverse conditions during flowering, which cause ovary shedding. Yield is low and unstable, frost resistance is limited to -20°C. The variety is actively used in breeding as a parent form.
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.
№ Saint Laurent N.*IT 6
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 S. Michele N., Sabrilong, Sabro, Sachara, Sacra Bianca, Sacy B, Sagrantino N., Saint Côme B, Saint Emillion, Saint - laurent, Saint-Macaire N, Saint Martin, Saint-Pierre doré B, Sakeiko, Samarrinho B, Samso, Sanforte N., Sangiovese, Sangiovese N., Sangioveto