September 12, 2025
Greg Miller at Route 9 Cooperative – Field Notes From The Farm
A Cooperative Built on Legacy and Innovation
Our Field Notes visit to Route 9 Cooperative gave us a firsthand look at one of the most influential chestnut operations in the United States. Founded by Greg Miller, a pioneer who helped shape the future of chestnut farming, Route 9 blends legacy with innovation to empower growers nationwide.

Greg told me once,
“All I expect is for others to give back too.”
That spirit is the reason Branching Out: Growing Together exists—to share knowledge and build something bigger than ourselves. Listen to the audio above for a nod to the Miller’s and an ask to “pay it forward” in your chestnut growing, eating, selling journey!
Next-Gen Leadership: Amy C. Miller, PhD
Now serving as Chief Operating Officer, Greg’s daughter Amy C. Miller brings both scientific expertise and lifelong orchard experience. Her background in plant pathology and her dedication to sustainable systems are shaping the future of American chestnuts.
🎧 Listen to these two chestnut focused podcasts:
- Amy Miller In Her Element at Empire Chestnuts and Route 9 Cooperative
- Greg Miller on tree selection and cooperative benefits
What Makes Route 9 Cooperative Unique?
From Greg’s early breeding work with Chinese hybrids to Route 9’s shared cold storage and processing systems, everything here is designed to support growers.
🌱 Founded in 2010, the co-op helps members:
- Pool harvests
- Access shared infrastructure
- Maintain quality standards
- Retain marketing and pricing power
Many small growers couldn’t afford this scale on their own—but through Route 9, they can grow together.
🎥 Field Notes Video Highlights
Video Clips with Greg Miller – Field Notes From The Farm – Route 9 Cooperative
More chestnut grower videos like this here:
Visit the United Chestnuts YouTube Channel for More From Greg Miller on growing chestnut trees.
Wisdom From the Millers
In our podcast with Greg, he discusses why selecting the right trees for your location is foundational—and how chestnut trees vary widely in cold hardiness, pollination timing, and productivity. He also breaks down how cooperatives protect pricing power and why new growers should think long-term from the start.
Amy’s perspective—featured in a separate interview—adds depth to that legacy.
She grew up surrounded by chestnuts and returned with a PhD in Plant Pathology to bring new tools to the table:
- Soil health strategies
- Chestnut disease diagnostics
- Agroforestry best practices
Together, their voices highlight how tradition and science can work hand-in-hand to move the industry forward.
Takeaways for Growers
Whether you’re managing 50 trees or 5,000, here are a few lessons from our visit:
| Insight | Application |
|---|---|
| Right tree, right place | Choose varieties suited to your region. |
| Post-harvest care matters | Simple adjustments can reduce rot and spoilage. |
| Co-ops build strength | Sharing cold storage, packaging, and branding |
| Science + legacy | Field wisdom + lab insight = long-term gains |
| Inclusion drives impact | Diverse leadership means better, broader vision |
Why This Visit Mattered
Greg and Amy Miller represent what makes the chestnut movement special: a balance of heritage, humility, and hope.
Their work at Route 9 Cooperative proves that even in a niche market, growers can scale up, collaborate, and serve a bigger purpose than simply harvesting nuts. They are helping build a system where growers support each other—and where knowledge is meant to be shared.
As United Chestnuts continues to grow, this visit reminded us that success doesn’t have to be a solo journey. It can be a shared one.
Want to Learn More?
🌰 Field Notes From The Farm
🌰 United Chestnuts Partner Program
🌰 United Chestnuts Resources
🌰 Route 9 Cooperative