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UCCE Viticulture - North Coast

UC Cooperative Extension - Viticulture


Over 600,000 acres of land is planted to grapes in 48 counties across California. The multibillion dollar industry is an essential component of the state's success and global reputation. As a premier wine-grape region, northern California produces grapes and wine comparable on the world stage as some of the best. The University of California Cooperative Extension and ANR programs are here to help retain and improve our standing as one of the best viticultural regions in the world. We are happy to take grape-related questions Mon-Fri or schedule a farm visit with our Viticulture Extension Advisor, Christopher Chen. 




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Christopher Chen started as the Integrated Vineyard Systems Advisor for Sonoma, Mendocino, and Lake Counties in January 2022.

In 2021 he earned his Ph.D. from UC Davis and his M.Sc. from UC Davis in 2018. His background in horticulture and agronomy with specialization in viticulture follow him to northern California where he hopes to be of help to the wine industry.

Christopher's previous work focused on heat damage reduction on winegrapes in Napa Valley and rootstock tolerance to saline soils at UC Davis. He has a background in both field and greenhouse-based viticulture research.

Examples of his past work can be found by clicking the link here.


If you have questions regarding viticulture or your vineyard please click on this SURVEY LINK, fill out the form, and submit. We will help as best we can.