| Southeast Nebraska Affiliate Sites | |
|---|---|
| Ashland | Camp Carol Joy Holling Arboretum |
| Beatrice | Chatauqua Park Arboretum Public Library |
| Brownville | Governor Furnas Arboretum |
| Crete | Crete Public Schools Arboretum Crete Area Medical Center Arboretum Doane College Osterhout Arboretum The Maples Arboretum |
| Fairbury | Historic Fairbury Parks |
| Falls City | Itha T. Krumme Memorial Arboretum |
| Firth | Norris Forest School Arboretum |
| Gretna | Eastern Nebraska 4-H Center Arboretum |
| Hebron | Arrowhead Gardens Arboretum |
| Hickman | Linear Park |
| Milford | Stan Matzke Arboretum |
| Nebraska City | Arbor Lodge Nebraska City Schools Partnership Arboretum Wildwood Center, Park & Golf Course |
| Peru | Campus of a Thousand Oaks Arboretum |
| Plattsmouth | Horning State Farm |
| Seward | Concordia University Arboretum |
| Springfield | Public Library |
| York | Foster Park Arboretum |