Frost dates for Crozier, VA
At Crozier, the median last spring frost (32°F) is Apr 17 and the median first fall frost is Oct 27, for a typical growing season of 191 days. For a 90% chance that the last frost has passed, wait until May 8. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Apr 17Last spring frost (median)50% chance of 32°F after this date
- May 8Safer planting date10% chance of 32°F after this date
- Oct 27First fall frost (median)50% chance of 32°F by this date
- 191 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 13 | Apr 29 | May 17 |
| 32°F | Apr 1 | Apr 17 | May 8 |
| 28°F | Mar 18 | Apr 3 | Apr 24 |
| 24°F | Mar 3 | Mar 24 | Apr 8 |
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 5 | Oct 17 | Oct 29 |
| 32°F | Oct 13 | Oct 27 | Nov 6 |
| 28°F | Oct 22 | Nov 5 | Nov 20 |
| 24°F | Nov 2 | Nov 17 | Dec 7 |
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 | 148 days | 170 days | 190 days |
| 32°F | 165 days | 191 days | 212 days |
| 28°F | 186 days | 214 days | 237 days |
| 24°F | 215 days | 241 days | 267 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 |
|---|---|---|---|
| 23160 | 7a | 0 to 5°F | 5 km |
| 23102 | 7a | 0 to 5°F | 6 km |
| 23039 | 7a | 0 to 5°F | 7 km |
| 23129 | 7a | 0 to 5°F | 10 km |
| 23063 | 7a | 0 to 5°F | 10 km |
| 23103 | 7b | 5 to 10°F | 14 km |
| 23153 | 7a | 0 to 5°F | 14 km |
| 23139 | 7a | 0 to 5°F | 14 km |
| 23146 | 7b | 5 to 10°F | 16 km |
| 23065 | 7a | 0 to 5°F | 16 km |
| 23238 | 7b | 5 to 10°F | 22 km |
| 23113 | 7b | 5 to 10°F | 22 km |
| 23114 | 7b | 5 to 10°F | 28 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 USC00442142, at 37.6664, -77.8769, elevation 107 m (350 ft).
- Data quality: Representative (10+ years), 22 years of freeze data.
- Average days per year at or below 32°F: 107.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Ashland (36 km)
- Bremo Bluff (37 km)
- Amelia Courthouse (37 km)
- Palmyra 3s (38 km)
- Ashland Hanover Co Muni Airport (39 km)
- Louisa (43 km)
- Richmond Intl Airport (52 km)
- Sandston (55 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.