| City | Population | Last spring frost | First fall frost | Growing season | Zone |
|---|---|---|---|---|---|
| Louisville | 641,962 | Apr 6 | Nov 1 | 209 days | 7a |
| Lexington | 329,751 | Apr 13 | Oct 28 | 196 days | 7a |
| Bowling Green | 78,505 | Apr 5 | Oct 31 | 208 days | 7a |
| Owensboro | 60,892 | Apr 2 | Nov 1 | 211 days | 7a |
| Covington | 41,847 | Apr 16 | Oct 25 | 190 days | 6b |
| Georgetown | 40,883 | Apr 18 | Oct 23 | 188 days | 6b |
| Richmond | 40,663 | Apr 15 | Oct 22 | 190 days | 7a |
| Elizabethtown | 35,448 | Apr 16 | Oct 25 | 191 days | 7a |
| Florence | 34,018 | Apr 18 | Oct 25 | 188 days | 6b |
| Nicholasville | 33,857 | Apr 13 | Oct 28 | 196 days | 7a |
| Hopkinsville | 30,411 | Apr 4 | Nov 2 | 211 days | 7a |
| Independence | 30,198 | Apr 18 | Oct 25 | 188 days | 6b |
| Jeffersontown | 29,193 | Apr 3 | Nov 3 | 214 days | 7a |
| Frankfort | 28,657 | Apr 15 | Oct 24 | 192 days | 6b |
| Henderson | 27,822 | Apr 9 | Oct 26 | 198 days | 7a |
| Paducah | 26,730 | Apr 6 | Oct 27 | 203 days | 7a |
| Radcliff | 22,576 | Apr 16 | Oct 25 | 191 days | 7a |
| Ashland | 20,996 | Apr 22 | Oct 23 | 181 days | 7a |
| Erlanger | 20,158 | Apr 18 | Oct 25 | 188 days | 6b |
| Winchester | 19,514 | Apr 24 | Oct 18 | 175 days | 6b |
| Madisonville | 19,428 | Apr 2 | Nov 1 | 212 days | 7a |
| Mount Washington | 18,989 | Apr 6 | Nov 1 | 209 days | 7a |
| Murray | 18,964 | Apr 5 | Nov 1 | 209 days | 7b |
| Shelbyville | 18,453 | May 1 | Oct 10 | 161 days | 6b |
| St. Matthews | 17,868 | Apr 3 | Nov 3 | 214 days | 7a |
| Danville | 17,736 | Apr 9 | Oct 27 | 199 days | 7a |
| Fort Thomas | 17,142 | Apr 16 | Oct 25 | 190 days | 6b |
| Berea | 16,662 | Apr 5 | Nov 2 | 213 days | 7a |
| Shively | 15,895 | Mar 31 | Nov 7 | 222 days | 7a |
| Glasgow | 15,302 | Apr 9 | Oct 27 | 201 days | 7a |
| Shepherdsville | 14,931 | Apr 18 | Oct 25 | 189 days | 7a |
| Bardstown | 14,161 | Apr 13 | Oct 25 | 195 days | 7a |
| Newport | 13,998 | Apr 16 | Oct 25 | 190 days | 6b |
| Somerset | 12,695 | Apr 5 | Oct 30 | 206 days | 7a |
| Lawrenceburg | 12,329 | Apr 12 | Oct 28 | 198 days | 6b |
| Campbellsville | 11,783 | Apr 15 | Oct 24 | 192 days | 7a |
| Lyndon | 11,301 | Apr 3 | Nov 3 | 214 days | 7a |
| Alexandria | 10,994 | Apr 16 | Oct 25 | 190 days | 6b |
| Franklin | 10,759 | Apr 5 | Nov 1 | 210 days | 7a |
| Versailles | 10,734 | Apr 12 | Oct 28 | 198 days | 7a |
| La Grange | 10,669 | Apr 12 | Oct 25 | 193 days | 6b |
| Paris | 10,130 | Apr 18 | Oct 23 | 188 days | 6b |
| Middletown | 9,944 | Apr 3 | Nov 3 | 214 days | 7a |
| Mayfield | 9,851 | Apr 9 | Oct 19 | 192 days | 7b |
| Harrodsburg | 9,576 | Apr 7 | Nov 1 | 206 days | 7a |
| Elsmere | 9,521 | Apr 18 | Oct 25 | 188 days | 6b |
| Hillview | 9,020 | Apr 6 | Nov 1 | 209 days | 7a |
| Middlesborough | 8,776 | Apr 23 | Oct 19 | 177 days | 7a |
| Fort Mitchell | 8,751 | Apr 18 | Oct 25 | 188 days | 6b |
| Maysville | 8,688 | Apr 18 | Oct 30 | 195 days | 6b |
| Edgewood | 8,503 | Apr 18 | Oct 25 | 188 days | 6b |
| Union | 7,937 | Apr 18 | Oct 25 | 188 days | 6b |
| Corbin | 7,911 | Apr 15 | Oct 25 | 192 days | 7a |
| Oak Grove | 7,830 | Apr 6 | Oct 28 | 204 days | 7a |
| Villa Hills | 7,797 | Apr 18 | Oct 25 | 188 days | 6b |
| London | 7,637 | Apr 15 | Oct 25 | 192 days | 7a |
| Mount Sterling | 7,586 | Apr 24 | Oct 18 | 175 days | 6b |
| Russellville | 7,454 | Apr 9 | Oct 28 | 200 days | 7a |
| Flatwoods | 7,439 | Apr 22 | Oct 23 | 181 days | 7a |
| Pikeville | 7,270 | Apr 22 | Oct 23 | 182 days | 7a |
| Taylor Mill | 7,144 | Apr 16 | Oct 25 | 190 days | 6b |
| Vine Grove | 7,018 | Apr 16 | Oct 25 | 191 days | 7a |
| Leitchfield | 7,015 | Apr 26 | Oct 15 | 172 days | 7a |
| Morehead | 6,776 | Apr 17 | Oct 25 | 189 days | 6b |
| Lebanon | 6,699 | Apr 22 | Oct 20 | 180 days | 7a |
| Cold Spring | 6,640 | Apr 16 | Oct 25 | 190 days | 6b |
| Crestwood | 6,582 | Apr 12 | Oct 25 | 193 days | 6b |
| Cynthiana | 6,576 | Apr 18 | Oct 23 | 188 days | 6b |
| Wilmore | 6,380 | Apr 7 | Nov 1 | 206 days | 7a |
| Highland Heights | 6,341 | Apr 16 | Oct 25 | 190 days | 6b |
| Fort Wright | 6,240 | Apr 18 | Oct 25 | 188 days | 6b |
| Princeton | 6,168 | Apr 11 | Oct 24 | 196 days | 7a |
| Dayton | 5,974 | Apr 16 | Oct 25 | 190 days | 6b |
| Walton | 5,868 | Apr 18 | Oct 25 | 188 days | 6b |
| Bellevue | 5,847 | Apr 16 | Oct 25 | 190 days | 6b |
| Central City | 5,793 | Apr 15 | Oct 20 | 187 days | 7a |
| Monticello | 5,721 | Apr 18 | Oct 26 | 190 days | 7a |
| Douglass Hills | 5,575 | Apr 3 | Nov 3 | 214 days | 7a |
| Williamsburg | 5,371 | Apr 21 | Oct 22 | 182 days | 7a |