For French winemaker Thomas Ventoura, the spring frost that hit the Chablis vineyards of northeast Burgundy over the weekend has a bitter taste of déjà-vu.
Just as at the same time last year, Ventoura and his workers had to rush out and place hundreds of candles across his vineyards before daybreak to warm the vines and prevent the destruction of already well-developed shoots by temperatures that had plunged below freezing.
