Grenoble walnuts with P.D.O. (Protected Designation of Origin)

Grenoble Walnuts have always been recognized for their exceptional quality and incomparable flavour, leading to their international reputation.

In 1938, the Controled Term of Origin (AOC) "Grenoble walnut"certify this production as one of the first type of fruit AOC recognized for their great quality on the dauphinois terroir. In 1996, the "protected designation of origin" comes to replace the original AOC.

The PDO requirements are as follows:

  • a strict geographical area on limited to three departments: Isère, Drôme and Savoie;
  • a size equal or bigger than 28 mm;
  • orchards listed with the I.N.A.O. (National Institute for Appellations of origin) meeting different standards: density of plantations, irrigation, collection of mature fruits...

only 3 varieties of walnuts are authorized for the production of P.D.O. Grenoble walnuts : Franquette, Mayette and Parisienne.

The area of production of Grenoble walnuts concerns 259 cities (183 in Isère, 47 in Drôme and 29 in Savoie), orchards are located between plains and hills, between 150 and 800 meters of altitude...

Did you know?

Grenoble walnuts is so famous that in Quebe, the term "Grenoble walnut" is the general designation for walnuts, the fruit of the walnut tree, regardless of its origin...

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Map of the area of production of Grenoble walnuts - Protected Designation of Origin P.D.O.