Seedling vs Grafted Chestnut Trees: Greg Miller on Co‑ops, Genetics & Getting Started

Seedling vs grafted chestnut trees—which should you plant first? In this conversation, Greg Miller (Empire Chestnut / Route 9 Cooperative) explains why diverse seedling orchards are winning now, how co‑ops unlock scale, and what it really takes—soil, genetics, patience—to build a viable chestnut business.

In the podcast we discuss:

• No single “best” tree: plant a broad genetic array to discover your site’s winners.

• Why seedlings win (today): In Chinese chestnuts, Greg’s alternating‑row trial found seedlings outperform adjacent grafted parents in both yield and nut quality.

• Keep improvement alive: Seedling orchards enable ongoing genetic gain; clonal systems “freeze” progress.

• Site first: Well‑drained, acidic soils are non‑negotiable—think “mountainside conditions.”

• Co‑op advantage: Shared cleaning, sizing, HWT, cold storage + unified marketing; multiple processing nodes, one brand.

• Harvest reality: Hand labor works in Amish regions now; mechanization is the scaling gap.

• Market signal: Route 9 sells out culinary nuts annually; seed/seedling demand has skyrocketed.

• New grower profile: Good site, elite‑parentage seedlings, pioneer mindset, and 25‑year commitment with patient capital.

• Resources & grower guides: unitedchestnuts.com/resources

• Shop seedlings & seasonal nuts: EBB Farms and Route 9

Greg Miller is the founder of Empire Chestnut Company and co‑founder of Route 9 Cooperative in Ohio. A horticulture and forestry geneticist, Greg has spent decades advancing Chinese chestnut genetics, grower collaboration, and scalable post‑harvest systems.  And an all around fantastic guy!