| Buckwheat | Tartary | Paul Pollaro | | ME | 2024 | Fr. Paul Dumais | 5a | Yes | heritagegrain.net |
| Corn | Fort Kent Golden Flint Corn | Tristan Noyes | Gromaine Organic Farm | ME | 2023 | Federal Seed Reserve | 3b | Yes | heritagegrain.net |
| Other | True Red Cranberry Bean | Paul Pollaro | | ME | 2022 | Fedco | 5a | Yes | heritagegrain.net |
| Corn | Pennsylvania Dutch Butter Popcorn | Paul Pollaro | | ME | 2022 | Fedco | 5b | Yes | heritagegrain.net |
| Wheat | Red Lammas | Ruth Fleishman | | | 2017 | Eli Rogosa | 5a | Yes | heritagegrain.net |
| Wheat | Goldblume | Richard Roberts | Maine Grain Alliance. LT45 Farm | ME | 2018-2023 | Dennis Kjaer Christensen | 5 | Yes | |
| Wheat | Rouge de Bordeaux | Paul Pollaro | | ME | 2022 | Barton Springs Mill | 5b | Yes | heritagegrain.net |
| Wheat | Emmer (Farro Medio) | Paul Pollaro | | ME | 2020 | Anson Mills | 5b | Yes | heritagegrain.net |
| Wheat | Einkorn (Farro Piccolo) | Paul Pollaro | | ME | 2020 | Anson Mills | 5a | Yes | heritagegrain.net |
| Wheat | Turkey Red | Julie Samek | Samek Family Farms | Xenia | 2024 | Albert Lea Seed | 6b | Yes | |
| Amaranth | Hopi Red Dye | Sylvia Davatz | | VT | 2023 | Abundant Life Seeds | 5a | Yes | heritagegrain.net |
| Amaranth | Hopi Red Dye | Sylvia Davatz | | Vermont | 2023 | Abundant Life Seeds | 5a | Yes | heritagegrain.net |
| Wheat | Khorasan | Paul Pollaro | | ME | 2020 | | 5a | Yes | heritagegrain.net |
