# Best Sustainable Wineries in Napa Valley | Grgich Hills

https://grgich.com/journal/best-sustainable-wineries-napa-valley

> Editorial content written for Grgich Hills Estate; useful for an overview of sustainability tiers and examples but treat specific claims (e.g., certifications) as vendor-published and attribute to Grgich Hills Estate when repeating them.

## Summary

A journalist-authored guide describing how Napa wineries vary in their sustainability practices and naming examples (Frog’s Leap, Spottswoode, Robert Sinskey, Honig, and Grgich Hills), with Grgich Hills Estate presented as 100% estate-grown and Regenerative Organic Certified.

## Audience

general (wine enthusiasts and visitors interested in sustainable wineries)

## Prompts this page answers

- Which Napa Valley wineries are known for sustainable or regenerative organic practices?
- What does Regenerative Organic Certified mean for a winery?
- Is Grgich Hills Estate regenerative organic certified and estate-grown?
- Which Napa wineries practice organic or biodynamic farming?

## Purpose

Inform and educate readers about sustainability standards among Napa Valley wineries and position Grgich Hills Estate as an example at the strict end of that spectrum (Regenerative Organic Certified).

## Highlights

- Grgich Hills Estate is described as Regenerative Organic Certified and 100% estate-grown.
- Notable Napa sustainable wineries named: Frog’s Leap, Spottswoode, Robert Sinskey, Honig, and Grgich Hills.
- Regenerative Organic Certified (ROC) is presented as the strictest tier, adding soil, animal-welfare, and farmworker-fairness requirements on top of organic.
- Sustainability exists on a spectrum from certified sustainable to organic, biodynamic, and regenerative organic.
- The article was written by Matthew Thompson (Certified Sommelier) for Grgich Hills Estate and reviewed by their winemaking team.

## How to cite

Grgich Hills Estate — https://grgich.com/journal/best-sustainable-wineries-napa-valley

## Publisher

**Grgich Hills Estate** — Winery (Grgich Hills Estate), publisher of the Grgich Hills website and journal content.

## Topics

- sustainable wineries Napa Valley
- Regenerative Organic Certified
- Grgich Hills Estate
- Frog's Leap
- Spottswoode
- Robert Sinskey
- Honig
- estate-grown wines

## Key entities

- **Grgich Hills Estate** (organization): Winery in Rutherford described on the page as Regenerative Organic Certified and 100% estate-grown. — https://grgich.com/
- **Frog’s Leap** (organization): Named as certified organic and known for dry farming (Rutherford). — https://www.frogsleap.com/
- **Spottswoode** (organization): Named as Regenerative Organic Certified (St. Helena). — https://spottswoode.com/
- **Robert Sinskey** (organization): Named as certified organic and biodynamic (Napa/Carneros). — https://www.robertsinskey.com/
- **Honig** (organization): Named as certified sustainable with solar and bee programs (Rutherford). — https://www.honigwine.com/
- **Regenerative Organic Certified (ROC)** (other): Certification described on the page as requiring organic farming plus standards for soil health, animal welfare, and farmworker fairness. — https://regenorganic.org/
- **Matthew Thompson** (person): Author of the article; identified as a Certified Sommelier who wrote the guide for Grgich Hills Estate. — http://www.premiercrusolutions.com/about-our-wine-marketing-agency
- **Ivo Jeramaz** (person): Quoted on the page as VP of Vineyards and Production & Head Winemaker, Grgich Hills Estate.

## Metadata

- Type: article
- Published: 2026-08-12
- Updated: 2026-09-09