The soils of the zone are composed mainly of marine sediments of sandy composition, with a coarse loamy texture, along with marls of fine texture.
The production area extends from 0 to 2,100 metres above sea level, with the prevailing altitude ranging between 200 and 500 metres.
The mean temperature of the area is 13 degrees Celsius, with average annual rainfall of approximately 680 mm.
The wettest month is December, with an average of 115 mm, while July records the minimum with an average of 17 mm.
Production concerns the western Liguria area, in particular the val Nervia, the val Verbone, and a portion of the Valle Roja in the province of Imperia. (via Wikipedia · CC BY-SA 4.0)
Human factors
A commercial document between Ventimiglia and the port of Genoa, dated 1258–59, cites considerable quantities of red wine called «Vermiglio», considered the forerunner of the current wine.
The cultivation of the Rossese variety became established around the nineteenth century, although the first mention appears in the Pomona Italiana by Gallesio. (via Wikipedia · CC BY-SA 4.0)
Facts drawn from the specification's terroir-link section by automatic interpretation — see the source.
About this boundary · approximate area
Approximate area — the Bétard 2022 dataset polygon (EU PDOs), at municipality resolution.
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