TWR Sauvignon BlancTe Whare Ra (house of the sun) is the oldest boutique winery and vineyard in Marlborough, first established in 1979 in the sub region of Renwick. Since 2003 it has been owned and run by Anna & Jason Flowerday. Anna and Jason firmly believe that biodiversity is the key to maintaining a good vineyard. They plant between the vines and plough alternate rows. To combat pests, they use natural methods such as buckwheat, and fertilize the vineyards with