Virginia frost dates: R
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Radford | Apr 26 | Oct 18 | 175 d | 7a |
| Radiant | Apr 17 | Oct 22 | 188 d | 7a |
| Randolph | Apr 10 | Oct 30 | 203 d | 7b |
| Raphine | May 2 | Oct 13 | 164 d | 7a |
| Rapidan | Apr 7 | Oct 30 | 206 d | 7a |
| Rappahannock Academy | Apr 14 | Oct 27 | 196 d | 7b |
| Raven | Apr 27 | Oct 18 | 174 d | 7a |
| Rawlings | Apr 11 | Oct 30 | 202 d | 7b |
| Rectortown | Apr 17 | Nov 1 | 198 d | 7a |
| Red Ash | Apr 27 | Oct 18 | 174 d | 7a |
| Red House | Apr 7 | Nov 1 | 208 d | 7b |
| Red Oak | Apr 6 | Nov 1 | 209 d | 7b |
| Redwood | Apr 20 | Oct 25 | 188 d | 7b |
| Reedville | Mar 30 | Nov 14 | 229 d | 8a |
| Remington | Apr 9 | Nov 1 | 206 d | 7a |
| Rescue | Apr 1 | Nov 9 | 222 d | 8b |
| Reston | Apr 14 | Oct 29 | 198 d | 7b |
| Reva | Apr 21 | Oct 22 | 184 d | 7a |
| Rhoadesville | Apr 7 | Oct 30 | 206 d | 7a |
| Rice | Apr 7 | Nov 1 | 208 d | 7b |
| Rich Creek | Apr 27 | Oct 17 | 173 d | 7a |
| Richardsville | Apr 6 | Nov 1 | 209 d | 7a |
| Richlands | Apr 27 | Oct 18 | 174 d | 7a |
| Richmond | Apr 3 | Nov 4 | 215 d | 7b |
| Ridgeway | Apr 24 | Oct 21 | 180 d | 7b |
| Rileyville | Apr 23 | Oct 22 | 182 d | 7a |
| Riner | Apr 19 | Oct 23 | 187 d | 7a |
| Ringgold | Apr 10 | Oct 28 | 201 d | 7b |
| Ripplemead | Apr 27 | Oct 17 | 173 d | 6b |
| Rixeyville | Apr 21 | Oct 22 | 184 d | 7a |
| Roanoke | Apr 3 | Nov 1 | 212 d | 7b |
| Rochelle | Apr 17 | Oct 22 | 188 d | 7a |
| Rockbridge Baths | Apr 23 | Oct 23 | 183 d | 7a |
| Rockville | Apr 17 | Oct 27 | 193 d | 7b |
| Rocky Gap | Apr 21 | Oct 22 | 184 d | 6b |
| Rocky Mount | Apr 20 | Oct 25 | 188 d | 7b |
| Rollins Fork | Apr 14 | Oct 27 | 196 d | 7b |
| Rose Hill | Apr 15 | Oct 30 | 198 d | 7a |
| Rosedale | Apr 25 | Oct 16 | 174 d | 7a |
| Roseland | May 2 | Oct 13 | 164 d | 7a |
| Round Hill | Apr 16 | Oct 25 | 192 d | 7a |
| Rowe | Apr 21 | Oct 26 | 188 d | 7a |
| Ruby | Mar 28 | Nov 8 | 225 d | 7a |
| Ruckersville | Apr 17 | Oct 22 | 188 d | 7b |
| Rural Retreat | Apr 25 | Oct 18 | 176 d | 7a |
| Rustburg | Apr 15 | Oct 24 | 192 d | 7b |
| Ruther Glen | Apr 10 | Oct 29 | 202 d | 7b |
| Ruthville | Mar 31 | Nov 6 | 220 d | 7b |