Grassen N
Name of vine variety in France
This variety is originally from the Alpes-Maritimes.
In France, this variety can officially be called "Grassenc" regarding plant multiplication material. There is no officially recognized synonym in the other countries of the European Union.
In France, Grassen is officially listed in the "Catalogue of vine varieties" on the A list and classified.
Wine grape variety.
Evolution of area under vines in France
1958 1968 1979 1988 2018
ha 25 15 2 1 0.5
The identification is based on:
- the tip of the young shoot with a very high density of prostate hairs,
- the yellow young leaves,
- the circular adult leaves, entire or with three lobes, with a closed petiole sinus with overlapping lobes, medium teeth with convex sides, no anthocyanin coloration of veins, a flat leaf blade, and on the lower side of the leaves, a medium density of erect and prostate hairs,
- the round-shaped berries.
Genetic profile
Allel 1 131 223 249 186 194 252 240 233 239
Allel 2 141 232 257 191 200 252 254 245 249
Bud burst: 3 days after Chasselas.
Grape maturity: mid-season, 3 weeks and a half after Chasselas.
Suitability for cultivation and agronomic production
Grassen is a fertile variety and a steady producer which must be pruned short. It must be planted in poor and well-exposed soils.
Sensitivity to diseases and pests
Grassen is susceptible to grey rot.
Technological potential
The bunches are large to very large in size. Grassen has a low sugar accumulation potential. It produces fine but very little colored wines.
Clonal selection in France
The only certified Grassen clone carries the number 1263.
Bibliographic references
- Catalogue des variétés et clones de vigne cultivés en France. Collectif, 2007, Ed. IFV, Le Grau-du-Roi, France.
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Montpellier SupAgro, Marseillan, France.
- Dictionnaire encyclopédique des cépages et de leurs synonymes. P. Galet, 2015, Ed. Libre&Solidaire, France.
Description of clones approved in France
Identity and availability Agronomic data Technical data
Clone number Origin Selection Fertility Production level Sugar content Potential color
Year approved Agronomic references Weight of grape clusters Vigor Total acidity Tannic structure
Growing surface area Size of berries Sensitivity to Botrytis Aromatic intensity Oenological aptitudes
1263  Hérault  IFV - INRA