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Sei Querce Vineyards dba Sei Querce Vineyards and Six Oaks Farm


Sei Querce Vineyards is a producer of premium organic Cabernet Sauvignon, Zinfandel, and Carignane wine grapes. We farm our vineyards organically and manage them with the goal of continually improving the health and beauty of the soil and the surrounding environment. We upkeep these same principles on our farm that grows premium fruits and vegetables for our CSA program.

Contact Information

  • Contact Name: William "Hal" Hinkle
  • Phone: 908-229-2232
  • Email:
  • Address: P.O. Box 10 , Geyserville, SONOMA, California 95441, US

CCOF Programs

  • Certification: Crops
    Status: Certified
    Date: May 9, 2014
  • Certification: Handling
    Status: Surrendered
    Date: March 11, 2019
  • Certification: USDA NOP
    Status: Certified
    Date: May 9, 2014



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