Indiana frost dates: B
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Bainbridge | Apr 27 | Oct 15 | 171 d | 6a |
| Bargersville | Apr 20 | Oct 19 | 182 d | 6a |
| Batesville | Apr 30 | Oct 16 | 169 d | 6b |
| Bath | Apr 20 | Oct 21 | 184 d | 6a |
| Battle Ground | Apr 26 | Oct 12 | 169 d | 6a |
| Bedford | Apr 20 | Oct 20 | 183 d | 6b |
| Beech Grove | Apr 20 | Oct 21 | 184 d | 6b |
| Bellmore | Apr 30 | Oct 12 | 165 d | 6a |
| Bennington | Apr 17 | Oct 29 | 195 d | 6b |
| Bentonville | Apr 27 | Oct 9 | 165 d | 6a |
| Berne | Apr 23 | Oct 22 | 182 d | 6a |
| Bethlehem | Apr 12 | Oct 25 | 196 d | 7a |
| Beverly Shores | Apr 22 | Oct 27 | 188 d | 6a |
| Bicknell | Apr 9 | Oct 30 | 204 d | 6b |
| Bippus | Apr 26 | Oct 19 | 176 d | 6a |
| Birdseye | Apr 10 | Nov 1 | 205 d | 6b |
| Blanford | Apr 21 | Oct 20 | 182 d | 6a |
| Bloomfield | Apr 9 | Oct 31 | 205 d | 6b |
| Bloomingdale | Apr 30 | Oct 12 | 165 d | 6a |
| Bloomington | Apr 15 | Oct 26 | 194 d | 6b |
| Bluffton | Apr 24 | Oct 20 | 179 d | 6a |
| Boggstown | Apr 14 | Oct 23 | 192 d | 6a |
| Boone Grove | Apr 20 | Oct 26 | 189 d | 5b |
| Boonville | Apr 12 | Oct 25 | 196 d | 7a |
| Borden | Mar 31 | Nov 9 | 223 d | 6b |
| Boston | Apr 24 | Oct 20 | 179 d | 6a |
| Boswell | Apr 25 | Oct 13 | 171 d | 5b |
| Bourbon | Apr 25 | Oct 21 | 179 d | 6a |
| Bowling Green | Apr 20 | Oct 20 | 183 d | 6a |
| Bradford | Mar 31 | Nov 9 | 223 d | 6b |
| Branchville | Apr 17 | Oct 19 | 185 d | 6b |
| Brazil | Apr 14 | Oct 24 | 193 d | 6a |
| Bremen | May 1 | Oct 13 | 165 d | 6a |
| Bridgeton | Apr 30 | Oct 12 | 165 d | 6a |
| Bringhurst | Apr 25 | Oct 17 | 175 d | 6a |
| Bristol | Apr 26 | Oct 21 | 178 d | 6a |
| Bristow | Apr 11 | Oct 26 | 198 d | 6b |
| Brook | Apr 23 | Oct 14 | 174 d | 5b |
| Brooklyn | Apr 24 | Oct 15 | 174 d | 6a |
| Brookston | Apr 25 | Oct 17 | 175 d | 6a |
| Brookville | Apr 20 | Oct 21 | 184 d | 6a |
| Brownsburg | Apr 12 | Oct 29 | 200 d | 6a |
| Brownstown | Apr 16 | Oct 21 | 188 d | 6b |
| Brownsville | Apr 24 | Oct 20 | 179 d | 6a |
| Bruceville | Apr 11 | Oct 26 | 198 d | 6b |
| Bryant | Apr 23 | Oct 22 | 182 d | 6a |
| Buck Creek | Apr 22 | Oct 17 | 178 d | 6a |
| Buckskin | Apr 13 | Oct 25 | 195 d | 7a |
| Buffalo | Apr 26 | Oct 17 | 174 d | 5b |
| Bunker Hill | Apr 27 | Oct 18 | 174 d | 6a |
| Burket | Apr 28 | Oct 18 | 173 d | 6a |
| Burlington | Apr 25 | Oct 17 | 175 d | 6a |
| Burnettsville | Apr 22 | Oct 17 | 178 d | 6a |
| Burrows | Apr 20 | Oct 23 | 186 d | 6a |
| Butler | Apr 28 | Oct 17 | 172 d | 6a |
| Butlerville | Apr 21 | Oct 21 | 183 d | 6b |