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 info.gencowinemakers@gmail.com

" Wine gave a sort of gallantry to their own failure "
- F. Scott Fitzgerald
Next Meeting

Next meeting is Thursday , March 23rd, 7:00 pm
at the Good Shepherd Lutheran Church, Healdsburg
Bring 2 wine glasses


Speaker: Marion Groetschel, Dee Vines

Topic: German Rieslings

Born and raised in Germany, but destined for a warmer climate, Marion worked for a high-tech startup company in San Francisco after obtaining a Masters Degree in Marketing until her passion for wine guided her to working with author and wine educator Karen MacNeil who was on the brink of publishing her first edition of the Wine Bible. Marion’s drive to continuously deepen her wine knowledge led to her successful completion of the highly revered WSET Diploma program. After consulting for several domestic wineries in sales and marketing, Marion realized her calling lied in her roots and German wines. She joined Dee Vine Wines in 2011 and enjoys spreading the love for
Riesling. Dee Vine Wines was founded in 1996 to help 
promote, build awareness for, and make German wines available, especially fine Riesling. With a large portfolio (including auction wines going back to the 19th century), Dee Vine Wines is one of the world’s leading sources for fine and rare German wines. Marion will walk you through different styles of German Riesling and share with you why Riesling is considered a top collectible among connoisseurs and sommeliers alike.  RSVP is required

View March 2023 PDF announcement


View meeting archives
and maps

Competition & Awards

2023 GENCO Wine Competition
Entry Form Deadline: April 5th
Wine Entry Deadline: April 5th

2023 CA State Fair Home Wine Competition
Entry Form Deadline: April 25th
Wine Entry Deadline: April 25th

2023 Alameda County Fair Amateur Wine Competition
Entry Form Deadline: April 26th
Wine Entry Deadline: April 26th

2023 Sonoma-Marin Amateur Wine Competition
Entry Form Deadline: TBD
Wine Entry Deadline: May 1st

All Competitions & Awards

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Garage Enologists of Sonoma County

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