Wine Grapes

Umatilla County is home to a growing wine grape acreage and the Oregon half of the Walla Walla Valley American Viticultural Area (AVA). The growing conditions of this Eastern Oregon region are hotter, colder, and drier than other wine grape growing regions in Oregon, posing unique challenges and opportunities.

VIT TECH | 2024 series

VIT TECH is an educational series for wine grape growers and wine industry members in the Walla Walla Valley. The group meets regularly to learn from scientists and industry professionals about grape growing topics relevant to the region. Please join us for the following sessions:

April 24, 3-4 pm at College Cellars (Walla Walla, WA): Frost fans and cold damage prevention

May 29, 3-4 pm at College Cellars (Walla Walla, WA): Tools for effective vineyard irrigation

June 26, 3-4 pm in Milton-Freewater (Location TBA): Field tour!

July 31, 3-4 pm at College Cellars (Walla Walla, WA): Updates from the Hi-Res Vineyard Nutrition Project

If you would like to receive updates about VIT TECH and grape-related programming, sign up for the mailing list below.

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Photo: Cody Copp (Cropped from original)

Wine Grape Resources for Umatilla County

Umatilla County is home to a growing wine grape acreage and the Oregon half of the Walla Walla Valley American Viticultural Area (AVA), known for its production of high quality wine grapes. The growing conditions of this ...

Mar 2022 | Collection

VIT TECH Recordings

VIT TECH grape and wine producers discuss production issues

Aug 2022 | Collection

Research Projects

Information from ongoing OSU wine grape research projects in Umatilla County and across the state.

Sunscreen for grapevines: Kaolin clay use in vineyards

Kaolin clay has multiple potential uses for wine grape production. Watch this presentation to learn more about current research evaluating the effects of kaolin clay in vineyards.

Cody Copp | Dec 2023 | Video