The lower rainfall and the unique higher altitude terrain of the limestone-infused vineyards off Tikokino Rd had effectively done the job in making the latest vintage another fine one for that region, Ms Butler said.
"And Rodger [her partner and viticulturist] doesn't mow the grass so it takes in the water and respires it so the vines don't get waterlogged."
She said the pinot gris was "a dream to pick" as it was made up of all ranges of pink and brown fruit as well as what she described as "the odd genetically challenged bunch".
The last of their sauvignon blanc was carefully hand picked last weekend.
Ms Butler said while the bulk of the fruit was picked from their vineyard off Tikokino Rd a "tiny bit" had come from a small vineyard site which was effectively out of sight and regarded as their "secret vineyard".
"Sorry, can't tell you where."
The higher elevations (up to 270m altitude) and the steep sites allowed good drainage, while the limestone infused soils created a variety of growing conditions for the vines.
The crumbly limestone structure made it easy for rain to drain as well as providing a good root base and that ensured they were again producing their unique Coquina Sauvignon Blanc - coquina is the term for soft limestone broken shells.
It is part barrel and part fermented on skins.
"We also have Gruner Viltliner fermenting," she said, adding that their cabernet franc was "hanging out awhile" but the 2015, which had just been bottled, was "a little beauty".
The couple believed the limestone terrain of the region would likely be looked at more closely by other winemakers as an alternative vineyard site as it could offer more protection to "help fruit come through" when conditions were affected by weather.