Below are grape varieties that conform to AOP Pierrevert classification. Varieties identified in black are red (also called “black”) grapes and those in green are white grapes.
The proportion by grape variety (specified below) refers to the percentage of the total area of the vineyard that must to be planted with a specific variety (referred to as encépagement). Some AOP/AOC regulations will also specify a proportion of the blend (referred to as assemblage) for a given color of wine in order to be classified as an AOP/AOC wine.
COLOR OF WINE  PRINCIPAL VARIETIES  SECONDARY VARIETIES  NOTES: 

AOP « Pierrevert »  
Red  Grenache, Syrah 
Carignan, Cinsaut, Clairette, Grenache blanc, Marsanne, Mourvèdre, Piquepoul, Roussanne, Téoulier (locally called Manosquin), Ugni Blanc, Vermentino, Viognier

The proportion of the principal varietals must be greater than or equal to 70 % of the total.
The proportion of Grenache must be greater than or equal to 15 % of the total. The proportion of Syrah must be greater than or equal to 30 % of the total. The combined total of the varietals of Mourvèdre and Téoulier must be less than or equal to 10 % of the total. The proportion of the total of white varietals must be less than or equal to 10 % of the total. The blend must include a majority proportion of the principal grape varieties. 
Rosé 
Cinsaut, Grenache, Syrah

Carignan, Clairette, Grenache Blanc, Marsanne, Mourvèdre, Piquepoul, Roussanne, Téoulier (locally called Manosquin), Ugni Blanc, Vermentino, Viognier

The proportion of the principal varietals must be greater than or equal to 70 % of the total.
The proportion of the total of the varietals of Mourvèdre and Téoulier must be less than or equal to 10 % of the total. The proportion of the total of the varietals of Marsanne, Piquepoul and Viognier must be less than or equal to 10 % of the total. The proportion of the total of the white varietals must be less than or equal to 20% of the total. The blend must include a single grape variety or a blend of grape varieties where the proportion of the principal grape varieties must be a majority. 
White  Clairette, Grenache Blanc, Marsanne, Piquepoul, Roussanne, Ugni Blanc, Vermentino, Viognier 
N/A  The proportion of Grenache Blanc and Vermentino, blended or singly, must be greater than or equal to 50 % of the total.
The proportion of the total of the varietals of Marsanne, Piquepoul and Viognier must be less than or equal to 10 % of the total. The White wines must include a blend of grapes or wines where at least two grape varieties are present and one must be either Grenache or Vermentino. 
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