Jaine produces wines from Columbia Valley, Washington's expansive growing region. The winery focuses on white varietals, drawing from distinguished vineyard sources across the appellation. Sauvignon Blanc forms the core of its portfolio: the Boushey Vineyard and Laura Lee Vineyard bottlings both achieve 92-point ratings from Wine Enthusiast, displaying the varietal's characteristic aromatic intensity and crisp acidity in a region known for bright, mineral-driven expressions. Chardonnay rounds out the lineup, with the Evergreen Vineyard selection rated at 90 points. Columbia Valley's continental climate—marked by warm days, cool nights, and low rainfall—creates conditions suited to these cool-climate whites, allowing for full ripeness while preserving natural acidity and complexity.