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Prosser Today
By the People, for the People
Mercer Sauvignon Blanc Showcases Washington's Wine Country
Sustainable farming and winemaking practices produce a refreshing white wine from the Horse Heaven Hills AVA.
Published on Feb. 26, 2026
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The Mercer family has been growing wine grapes, fruits, and vegetables in southern Washington's Horse Heaven Hills AVA for over a century, using sustainable farming methods. Winemaker Jeremy Santo crafts the Mercer Sauvignon Blanc 2015, a 100% Sauvignon Blanc from the Mercer estate Princeton Vineyard, with a low 12.5% ABV and notes of grapefruit, passion fruit, and lychee.
Why it matters
The Mercer Sauvignon Blanc highlights the quality and diversity of Washington's wine country, showcasing the region's ability to produce refreshing white wines that balance fruit and minerality through sustainable farming and winemaking practices.
The details
The Mercer Sauvignon Blanc 2015 was fermented using a yeast that brings out the grapefruit, passion fruit, and lychee notes, and was aged entirely in steel tanks to prevent malolactic fermentation. The resulting wine has a faint yellow color, a savory nose, and a palate that offers fruit flavors balanced by a mineral-based salinity and ample acidity, leading to a lengthy Meyer lemon finish.
- The Mercer family has been working the land in southern Washington's Horse Heaven Hills AVA for more than a hundred years.
The players
Mercer Family
A family that has been growing wine grapes, fruits, and vegetables in southern Washington's Horse Heaven Hills AVA for over a century, using sustainable farming methods.
Jeremy Santo
The winemaker who crafts the Mercer Sauvignon Blanc 2015, a 100% Sauvignon Blanc from the Mercer estate Princeton Vineyard.
The takeaway
The Mercer Sauvignon Blanc showcases the ability of Washington's wine country to produce high-quality, refreshing white wines that balance fruit and minerality through sustainable farming and winemaking practices, highlighting the region's diversity and potential.

