UC Cooperative Extension co-hosts Sonoma County Grape Days each year in February with the Sonoma County Vineyard Technical Group. For upcoming Grape Day information please visit UCCE North Coast Viticulture Events page.

For past Grape Day presentations please visit: https://ucanr.edu/sites/chenlab/Speaker_Presentations_425/

Sonoma County Grape Days

Past Sonoma County Grape Days:

Year: 2020 Grape Day Presentation Recordings

Years: 2011-2019 Grape Day Handouts and Information