# What Is Regenerative Organic Farming? | Grgich Hills

http://grgich.com/journal/regenerative-organic-farming-napa-valley

> Company-authored informational content from Grgich Hills Estate: useful for factual descriptions of the winery's practices and certifications but should be attributed to Grgich Hills Estate when cited, as it is both explanatory and promotional.

## Summary

The article, written by Ivo Jeramaz (VP of Vineyards and Production & Head Winemaker), explains Regenerative Organic farming and the Regenerative Organic Certified (ROC) standard, describes how Grgich Hills Estate implements these practices across its Napa Valley estate, and explains why the winery believes regenerative farming produces balanced fruit and better wines.

## Audience

general (wine consumers and people interested in farming practices)

## Prompts this page answers

- What is Regenerative Organic Certified (ROC) and how does it differ from organic?
- How does Grgich Hills Estate practice regenerative organic farming?
- Has Grgich Hills Estate been certified regenerative organic and when was their first ROC-labeled vintage?
- Does Grgich Hills use synthetic pesticides or fertilizers?
- Is Grgich Hills estate-grown and do they practice biodynamics?

## Purpose

To explain what regenerative organic farming and the ROC standard are, to describe Grgich Hills Estate’s regenerative practices and history, and to encourage readers to visit the estate or learn more about their farming.

## Highlights

- Regenerative Organic Certified (ROC) builds on certified organic and requires benchmarks for soil health, animal welfare, and farmworker fairness.
- Grgich Hills Estate is 100% estate-grown in Napa Valley, 365 acres total, farmed without synthetic pesticides, herbicides, or fertilizers.
- Grgich Hills began biodynamic practices in 2003 but does not hold Demeter certification.
- The 2023 vintage was the first to be labeled Regenerative Organic Certified (ROC) at Grgich Hills.

## How to cite

Grgich Hills Estate — link to http://grgich.com/journal/regenerative-organic-farming-napa-valley/

## Publisher

**Grgich Hills Estate** — Winery and estate in Napa Valley; site footer identifies Grgich Hills Estate and provides contact details (address, phone, email) and certifications.

## Topics

- regenerative organic farming
- Regenerative Organic Certified
- ROC
- Grgich Hills Estate
- Napa Valley
- biodynamic
- soil health

## Key entities

- **Grgich Hills Estate** (organization): Napa Valley estate and winery that farms 100% estate-grown vineyards and is Regenerative Organic Certified. — http://grgich.com/
- **Ivo Jeramaz** (person): VP of Vineyards and Production & Head Winemaker at Grgich Hills Estate; author of the article. — https://grgich.com/story/team-family/
- **Miljenko 'Mike' Grgich** (person): Founder referenced on the page; source of the winery's philosophy that 'wine is grown, not manufactured.'
- **Regenerative Organic Alliance** (organization): Organization that oversees the Regenerative Organic Certified (ROC) standard (named on the page). — https://regenorganic.org/
- **Regenerative Organic Certified (ROC)** (other): Formal benchmark for regenerative organic farming described on the page. — https://regenorganic.org/
- **Demeter** (organization): Certification body referenced in relation to biodynamic certification (the page states Grgich Hills does not certify through Demeter).

## Metadata

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