Marly limestone and marl from the era of Middle and Upper Jurassic. Brown soil mixed with pebbles and hard limestone gravel.
Hot summers and dry autumns are factors of a good maturation of grains. They promote the enrichment of sugar and coloring matter of grapes.
After a manual harvest, it makes sorting and selection of the best grapes. Graps that are immature or are damaged are systematically separated and destroyed. Thus, only the best grapes are put in vats for winemaking