Frost dates for Ashland, VA
At Ashland, the median last spring frost (32°F) is Apr 10 and the median first fall frost is Oct 29, for a typical growing season of 201 days. For a 90% chance that the last frost has passed, wait until Apr 30. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Apr 10Last spring frost (median)50% chance of 32°F after this date
- Apr 30Safer planting date10% chance of 32°F after this date
- Oct 29First fall frost (median)50% chance of 32°F by this date
- 201 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Apr 9 | Apr 24 | May 10 |
| 32°F | Mar 28 | Apr 10 | Apr 30 |
| 28°F | Mar 15 | Mar 30 | Apr 12 |
| 24°F | Feb 27 | Mar 18 | Apr 1 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Oct 7 | Oct 19 | Nov 1 |
| 32°F | Oct 16 | Oct 29 | Nov 10 |
| 28°F | Oct 26 | Nov 8 | Nov 25 |
| 24°F | Nov 5 | Nov 20 | Dec 9 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 159 days | 179 days | 197 days |
| 32°F | 182 days | 201 days | 219 days |
| 28°F | 204 days | 223 days | 246 days |
| 24°F | 225 days | 250 days | 273 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 23005 | 7b | 5 to 10°F | 1 km |
| 23059 | 7b | 5 to 10°F | 10 km |
| 23047 | 7b | 5 to 10°F | 10 km |
| 23233 | 7b | 5 to 10°F | 18 km |
| 23192 | 7a | 0 to 5°F | 19 km |
| 22546 | 7b | 5 to 10°F | 21 km |
| 23015 | 7a | 0 to 5°F | 24 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00440327, at 37.7550, -77.4853, elevation 67 m (220 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 89.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Ashland Hanover Co Muni Airport (7 km)
- Sandston (30 km)
- Richmond Intl Airport (31 km)
- Crozier (36 km)
- Walkerton 2 NW (39 km)
- Corbin (51 km)
- Hopewell (54 km)
- Louisa (56 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.