Johnston Vineyards

Calistoga, CA 94515 · Napa County

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

Online shop

Shop online

Visit shop

Source · Link checked Nov 10, 2026

Phone: (707) 815-1999

Location

Calistoga, CA

Approximate location (ZIP area)

Directions

1 place to buy

Johnston Vineyards online store
Online Store · Calistoga, CA · Online only
Directions
Farm website · Checked Nov 10, 2026

Crops & products

Grapes

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.