New York frost dates: B
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Babylon | Apr 6 | Nov 6 | 214 d | 7b |
| Bainbridge | May 11 | Oct 9 | 151 d | 5b |
| Bakers Mills | May 23 | Sep 27 | 127 d | 4b |
| Baldwin | Apr 7 | Nov 8 | 215 d | 7b |
| Baldwin Place | Apr 30 | Oct 17 | 170 d | 6b |
| Baldwinsville | May 4 | Oct 11 | 160 d | 6a |
| Ballston Lake | May 2 | Oct 7 | 158 d | 5b |
| Ballston Spa | May 2 | Oct 7 | 158 d | 5b |
| Bangall | May 4 | Oct 7 | 156 d | 6a |
| Barker | Apr 26 | Oct 26 | 183 d | 6b |
| Barneveld | May 4 | Oct 13 | 162 d | 5a |
| Barrytown | May 14 | Sep 28 | 137 d | 6a |
| Barryville | May 2 | Oct 12 | 163 d | 6a |
| Barton | May 6 | Oct 10 | 157 d | 6a |
| Basom | May 3 | Oct 16 | 166 d | 6a |
| Batavia | May 3 | Oct 16 | 166 d | 6a |
| Bath | May 12 | Oct 3 | 144 d | 5b |
| Bay Shore | Apr 4 | Nov 11 | 221 d | 7b |
| Bayport | Apr 4 | Nov 11 | 221 d | 7b |
| Bayside | Mar 26 | Nov 25 | 244 d | 7b |
| Bayville | Apr 9 | Nov 10 | 215 d | 7b |
| Beacon | Apr 10 | Nov 1 | 205 d | 6b |
| Bear Mountain | Apr 19 | Oct 23 | 187 d | 7a |
| Bearsville | May 9 | Oct 4 | 148 d | 6a |
| Beaver Dams | May 9 | Oct 9 | 153 d | 6a |
| Beaver Falls | May 8 | Oct 1 | 146 d | 4b |
| Bedford | Apr 17 | Oct 23 | 189 d | 7a |
| Bedford Hills | Apr 25 | Oct 19 | 177 d | 7a |
| Belfast | May 21 | Sep 30 | 132 d | 5b |
| Bellerose | Apr 2 | Nov 12 | 224 d | 7b |
| Belleville | May 10 | Oct 14 | 157 d | 5b |
| Bellmore | Apr 3 | Nov 11 | 222 d | 7b |
| Bellona | Apr 30 | Oct 22 | 175 d | 6b |
| Bellport | Apr 18 | Oct 28 | 193 d | 7a |
| Bellvale | Apr 19 | Oct 23 | 187 d | 6b |
| Belmont | May 21 | Sep 30 | 132 d | 5b |
| Bemus Point | May 8 | Oct 13 | 158 d | 6a |
| Bergen | Apr 24 | Oct 30 | 189 d | 6b |
| Berkshire | May 13 | Oct 4 | 144 d | 5b |
| Berlin | May 1 | Oct 11 | 163 d | 5b |
| Berne | May 2 | Oct 13 | 164 d | 5b |
| Bernhards Bay | May 12 | Oct 5 | 146 d | 5b |
| Bethel | May 3 | Oct 9 | 159 d | 6a |
| Bethpage | Apr 6 | Nov 6 | 214 d | 7b |
| Bible School Park | May 5 | Oct 12 | 160 d | 6a |
| Big Flats | May 9 | Oct 9 | 153 d | 6a |
| Big Indian | May 6 | Oct 7 | 154 d | 5b |
| Billings | Apr 30 | Oct 14 | 167 d | 6a |
| Binghamton | May 2 | Oct 11 | 162 d | 6a |
| Black Creek | May 21 | Sep 30 | 132 d | 5b |
| Black River | May 2 | Oct 13 | 164 d | 4b |
| Blauvelt | Apr 20 | Oct 26 | 189 d | 7a |
| Bliss | May 7 | Oct 10 | 156 d | 5b |
| Blodgett Mills | May 13 | Oct 4 | 144 d | 5b |
| Bloomfield | May 10 | Oct 4 | 147 d | 6a |
| Blooming Grove | May 1 | Oct 11 | 163 d | 6b |
| Bloomingburg | Apr 21 | Oct 22 | 184 d | 6b |
| Bloomingdale | Jun 2 | Sep 9 | 99 d | 4a |
| Bloomington | May 14 | Sep 28 | 137 d | 6b |
| Bloomville | May 19 | Oct 1 | 135 d | 5b |
| Blossvale | May 12 | Oct 5 | 146 d | 5b |
| Blue Mountain Lake | May 23 | Sep 27 | 127 d | 4a |
| Blue Point | Apr 4 | Nov 11 | 221 d | 7b |
| Bohemia | Apr 10 | Nov 2 | 206 d | 7b |
| Boiceville | May 6 | Oct 7 | 154 d | 6a |
| Bolivar | May 4 | Oct 14 | 163 d | 5b |
| Bolton Landing | Apr 30 | Oct 12 | 165 d | 5a |
| Bombay | May 8 | Oct 1 | 146 d | 5a |
| Boonville | May 10 | Oct 4 | 147 d | 5a |
| Boston | May 4 | Oct 17 | 166 d | 6a |
| Bouckville | May 6 | Oct 9 | 156 d | 5b |
| Bovina Center | May 19 | Oct 1 | 135 d | 5a |
| Bowmansville | Apr 24 | Oct 26 | 185 d | 6b |
| Bradford | May 12 | Oct 3 | 144 d | 6a |
| Brainard | Apr 27 | Oct 14 | 170 d | 5b |
| Brainardsville | May 10 | Oct 2 | 145 d | 4b |
| Branchport | Apr 30 | Oct 22 | 175 d | 6a |
| Brant | May 3 | Oct 20 | 170 d | 6b |
| Brant Lake | Apr 30 | Oct 12 | 165 d | 4b |
| Brantingham | May 8 | Oct 1 | 146 d | 4b |
| Brasher Falls | May 10 | Oct 5 | 148 d | 4b |
| Breesport | May 6 | Oct 11 | 158 d | 5b |
| Breezy Point | Apr 1 | Nov 19 | 232 d | 7b |
| Brentwood | Apr 10 | Nov 2 | 206 d | 7b |
| Brewerton | May 4 | Oct 11 | 160 d | 5b |
| Brewster | Apr 28 | Oct 16 | 171 d | 6b |
| Briarcliff Manor | Apr 12 | Oct 31 | 202 d | 7a |
| Bridgehampton | Apr 23 | Oct 24 | 184 d | 7b |
| Bridgeport | Apr 29 | Oct 19 | 173 d | 5b |
| Bridgewater | May 13 | Oct 4 | 144 d | 5b |
| Brier Hill | May 14 | Sep 26 | 135 d | 5a |
| Brightwaters | Apr 6 | Nov 6 | 214 d | 7b |
| Broadalbin | May 11 | Oct 3 | 145 d | 5a |
| Brockport | Apr 24 | Oct 30 | 189 d | 6b |
| Brocton | Apr 25 | Oct 31 | 189 d | 6b |
| Bronx | Apr 1 | Nov 16 | 229 d | 7b |
| Bronxville | Apr 20 | Oct 26 | 189 d | 7b |
| Brookfield | May 13 | Oct 4 | 144 d | 5b |
| Brookhaven | Apr 18 | Oct 28 | 193 d | 7a |
| Brooklyn | Apr 1 | Nov 19 | 232 d | 7b |
| Brooktondale | May 11 | Oct 3 | 145 d | 5b |
| Brownville | May 11 | Oct 1 | 143 d | 5a |
| Brushton | May 10 | Oct 5 | 148 d | 4b |
| Buchanan | Apr 30 | Oct 17 | 170 d | 7a |
| Buffalo | Apr 24 | Oct 26 | 185 d | 6b |
| Bullville | May 1 | Oct 11 | 163 d | 6b |
| Burdett | May 10 | Oct 8 | 151 d | 6a |
| Burke | May 6 | Oct 4 | 151 d | 4b |
| Burlingham | May 1 | Oct 11 | 163 d | 6b |
| Burlington Flats | May 7 | Oct 7 | 153 d | 5b |
| Burnt Hills | May 2 | Oct 7 | 158 d | 5b |
| Burt | Apr 26 | Oct 26 | 183 d | 6b |
| Buskirk | May 6 | Oct 6 | 153 d | 5b |
| Byron | May 3 | Oct 16 | 166 d | 6a |