Garage Enologists of Sonoma County

Sonoma County, California

GENCO was formed to provide a forum for the exchange of ideas and  information, and to promote viticulture and production of quality wine within the membership. We share information on experiences, successes, failures, and pitfalls in making wine and conduct tastings of member wines for evaluation and enjoyment.

At each meeting we explore a subject of particular interest to our members regarding home winemaking or grape growing. We have an open discussion at some meetings and at others we have a knowledgeable guest speaker. We share in the purchase of winemaking supplies (bottles, corks, carboys, supplies, etc.) to obtain larger lots for better pricing.

GENCO meets once a month in or near Healdsburg. The group shares ideas, problems, and wine, and is not only informative, but fun. We have beginner and experienced winemakers. If you are interested in joining or would like more information about GENCO, please contact us at

" Life is like good Wine… Best taken with Friends! "
- Atticus Auden
Next Meeting

Next meeting is Wednesday, June 27th, 7:00 pm
at the Good Shepherd Lutheran Church, Healdsburg

Speaker: Bruce Hagen -Group Discussion

Topic: Preparing for Harvest

Some of the Topics we'll be addressing: • Knowing how to sample a vineyard, and what to look for. • How do determine when the grapes are ripe and or should be harvested (that will largely depend on the variety, intended style, and your preferences) • Do you need to accurately determine Brix, pH, total acidity of the grapes or can you rely on taste? • Are yeast nutrients of value? • Should we adjust the must when the numbers are outside the preferred range? • Is cold-soaking a good idea? What about lees contact? • What the ideal temperature of a fermentation? • How to manage temperature during fermentation. JUNE'S MEETING ANNOUNCEMENT IS NOT YET POSTED!

View June 2018 PDF announcement

View meeting archives
and maps

Competition & Awards

Sonoma County Harvest Fair
Entry Form Deadline: TBA
Wine Entry Deadline: TBA

All Competitions & Awards


New GENCO Gem Coming Soon

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Garage Enologists of Sonoma County

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