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

" Recognizing a wine's origins, however, is not that different to how we'd recognize a human being, you notice certain memorable things about their character. The next time you see that person you remember them. "
- Fred Scherrer
Next Meeting

Next meeting is Wednesday, June 23rd, 7:00 pm
at the location of your choice via Zoom

Speaker: Megan Jones, Sonoma County Wine Librarian & Gary Alvey, GENCO Member

Topic: Megan: How to Benefit and Utilize the Wine Library & Gary: Considerations for Developing Your Home Winery & your Personal Wine/Viticulture Library

Megan Jones will start off our presentations with a talk about the benefits of and how to utilize the Sonoma County Wine library. A tremendous benefit for us home winemakers! On more than one occasion over the years, Gary has been asked by new members who have yet to make a bottle of wine... “What should I buy, borrow, or rent?” Initially, renting or borrowing make sense. However, later I believe, renting becomes an inconvenience. There are several factors that will guide you to what you perceive as your equipment needs. Recommendations from others’ experiences are often the case but may or may not fit your situation. As you’ll find, once you begin making wine, needs are similar but can be very different. When you’re deciding what you would like to buy, think of your winemaking future. Will you increase your volume? Will you make white, red, or both? My experience has shown me that my decisions were generally based on the criteria I’ll be discussing during my presentation. Up next, How do you develop your personal wine making/viticulture library? Every member’s winemaking knowledge base is dependent on their experiences and educational background. Have you grown grapes? Have you been involved making wine? Have you taken viticulture, enology, chemistry, biology, microbiology classes? Members, come prepared to offer your thoughts. This presentation is expected to be interactive, not just a lecture. 

View June 2021 PDF announcement

View meeting archives
and maps

Competition & Awards

No Word on Website if Canceling! - 2021 San Diego County Fair
Entry Form Deadline: April 3rd
Wine Entry Deadline: April 21st

No Word on Website if Canceling!- 2021 CA State Fair Home Wine Competition
Entry Form Deadline: May 6th
Wine Entry Deadline: May 6th

No Word on Website if Canceling! - 2021 Alameda County Fair Amateur Wine Competition
Entry Form Deadline: May 1st online
Wine Entry Deadline: May 16th

No Word on Website if Canceling! - 2021 Orange Wine Society/Orange County Fair
Entry Form Deadline: Prior to May 28th
Wine Entry Deadline: May 28th

No Word on Website if Canceling!- 2021 Marin County Fair
Entry Form Deadline:
Wine Entry Deadline:

2021 Sonoma-Marin Fair
Entry Form Deadline: August 9th
Wine Entry Deadline: August 9th

All Competitions & Awards


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