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A free U.S. guide to products with a named glyphosate certification and USDA certified organic farms.

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© 2026 ByeGly. Not affiliated with any certifier or the USDA.

Sources: brand websites, certifier directories, USDA FoodData Central, USDA Organic Integrity Database

Farms/CA

USDA certified organic

Domaine Helena, Mt. St. Helena Vineyards

Registered as: Ahst 173 LLC

Middletown, CA 95461

Approximate location (ZIP area)

Verification

Certification
USDA Certified Organic
Certifying agent
CCOF Certification Services, LLC
Listed in
USDA Organic Integrity Database
Last checked
Nov 9, 2026

Organic certification means glyphosate may not be used in production. It is not a residue test of the finished food. How we verify

Where this farm sells

Website

Farm website

Visit
Source · Link checked Nov 10, 2026

Phone: (650) 770-6484

Location

Middletown, CA

Approximate location (ZIP area)

Directions

Crops & products

FallowGrapesOlivesFruit Products (Cab Sauvignon Preserves)Fruit Products (Cabernet Franc Preserves)Fruit Products (Petite Sirah Preserves)Grape JuiceIngredient (Sauvignon Blanc - bulk wine)WineWine (2024 Cabernet Sauvignon)Wine (2024 Malbec)Wine (2024 Petite Sirah - Petite Vine)Wine (2024 Sauvignon Blanc - Mist & Vine)Wine (2024 Sauvignon Blanc - Verdant Sky)Wine (2026 Cabernet Sauvignon)Wine (2026 Sparkling Chillable Red - Drizzante)Wine (Sangria)Wine (Variable Vintage Cabernet Sauvignon)Wine (Variable Vintage Petite Sirah)Wine Making (Client Profile Products only)and more…

USDA Certified Organic certification means synthetic herbicides like glyphosate may not be used in production. It is not a residue test, and drift or later handling can still leave a trace. Source: U.S. Department of Agriculture, Organic Integrity Database. We do not use USDA logos to imply endorsement.