Technical Information

Size: 4,040 acres, the smallest Washington American Viticultural Area

ElevationFrom 540 feet to 1,400 feet

Estimated plantable acreage:  2,700 acres

First planted: 1975

SoilsPredominate soils are Warden, Hezel, and Scooteney

SlopeClassic southwest slope, 0-15% 

First agricultural product: Vitis Vinifera

Root stockOwn-rooted, small amounts grafted

Irrigation: Mostly drip via deep wells and the Yakima River

Average yield3.2 tons per acre

RegionSimilar to region IV with approximately 3,200 degree days but with significantly higher total acids    than are  typically found in this warm a region.

Sunlight2 hours more per day during the growing season than Napa Valley

Annual rainfallFive to six inches

Major varietals grownCabernet Sauvignon, Merlot, Syrah, Cabernet Franc, Malbec, Petit Verdot

Price per tonApproximately three times the state average