Vine-growing was first introduced into Haut-Poitou in Gallo-Roman times. Over the centuries, the vineyards grew in size and then shrank back again, at the mercy o f one war and invasion after another. Eventually, Guillaume X, Duke of Guyenne and Count of Poitiers, took on the task of developing the vineyards; when Eleanor of Aquitaine married Henry Plantagenet (Henry II of England, England quickly became their principal market.
The climate here is subject to oceanic influences which regulate temperatures, but also has a continental quality giving lower rainfall. Average annual rainfall is 630 mm, while sunshine hours are high, at 1,900 hours per year.