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Find Your County and Click on the Corresponding Climate Zone
| County | BOPs by Climate Zone | County | BOPs by Climate Zone |
|---|---|---|---|
| Adair | 5 | Jefferson | 5 |
| Adams | 5 | Johnson | 5 |
| Allamakee | 6 | Jones | 5 |
| Appanoose | 5 | Keokuk | 5 |
| Audubon | 5 | Kossuth | 6 |
| Benton | 5 | Lee | 5 |
| Black Hawk | 6 | Linn | 5 |
| Boone | 5 | Louisa | 5 |
| Bremer | 6 | Lucas | 5 |
| Buchanan | 6 | Lyon | 6 |
| Buena Vista | 6 | Madison | 5 |
| Butler | 6 | Mahaska | 5 |
| Calhoun | 6 | Marion | 5 |
| Carroll | 5 | Marshall | 5 |
| Cass | 5 | Mills | 5 |
| Cedar | 5 | Mitchell | 6 |
| Cerro Gordo | 6 | Monona | 5 |
| Cherokee | 6 | Monroe | 5 |
| Chickasaw | 6 | Montgomery | 5 |
| Clarke | 5 | Muscatine | 5 |
| Clay | 6 | Obrien | 6 |
| Clayton | 6 | Osceola | 6 |
| Clinton | 5 | Page | 5 |
| Crawford | 5 | Palo Alto | 6 |
| Dallas | 5 | Plymouth | 6 |
| Davis | 5 | Pocahontas | 6 |
| Decatur | 5 | Polk | 5 |
| Delaware | 6 | Pottawattamie | 5 |
| Des Moines | 5 | Poweshiek | 5 |
| Dickinson | 6 | Ringgold | 5 |
| Dubuque | 5 | Sac | 6 |
| Emmet | 6 | Scott | 5 |
| Fayette | 6 | Shelby | 5 |
| Floyd | 6 | Sioux | 6 |
| Franklin | 6 | Story | 5 |
| Fremont | 5 | Tama | 5 |
| Greene | 5 | Taylor | 5 |
| Grundy | 6 | Union | 5 |
| Guthrie | 5 | Van Buren | 5 |
| Hamilton | 6 | Wapello | 5 |
| Hancock | 6 | Warren | 5 |
| Hardin | 6 | Washington | 5 |
| Harrison | 5 | Wayne | 5 |
| Henry | 5 | Webster | 6 |
| Howard | 6 | Winnebago | 6 |
| Humboldt | 6 | Winneshiek | 6 |
| Ida | 6 | Woodbury | 6 |
| Iowa | 5 | Worth | 6 |
| Jackson | 5 | Wright | 6 |
| Jasper | 5 |
