Frost dates for Tryon, NC
At Tryon, the median last spring frost (32°F) is Mar 27 and the median first fall frost is Nov 12, for a typical growing season of 231 days. For a 90% chance that the last frost has passed, wait until Apr 14. Nearby ZIP codes are in USDA hardiness zones 7b to 8a.
- Mar 27Last spring frost (median)50% chance of 32°F after this date
- Apr 14Safer planting date10% chance of 32°F after this date
- Nov 12First fall frost (median)50% chance of 32°F by this date
- 231 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 | Mar 23 | Apr 7 | Apr 26 |
| 32°F | Mar 9 | Mar 27 | Apr 14 |
| 28°F | Feb 20 | Mar 14 | Mar 31 |
| 24°F | Jan 30 | Feb 27 | Mar 20 |
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 20 | Nov 1 | Nov 15 |
| 32°F | Oct 29 | Nov 12 | Dec 1 |
| 28°F | Nov 8 | Nov 27 | Dec 19 |
| 24°F | Nov 19 | Dec 12 | Jan 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 | 184 days | 206 days | 228 days |
| 32°F | 209 days | 231 days | 256 days |
| 28°F | 231 days | 257 days | 287 days |
| 24°F | 258 days | 289 days | 320 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 |
|---|---|---|---|
| 29356 | 8a | 10 to 15°F | 7 km |
| 28773 | 7b | 5 to 10°F | 7 km |
| 28782 | 8a | 10 to 15°F | 10 km |
| 29322 | 8a | 10 to 15°F | 14 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 USC00318744, at 35.2058, -82.2517, elevation 402 m (1,320 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 51.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Hendersonville 1 NE (23 km)
- Lake Lure 2 (25 km)
- Forest City 8 W (27 km)
- Asheville Regional Airport (36 km)
- Asheville 13 S (36 km)
- Pisgah Forest 3 NE (37 km)
- Fletcher 3 W (37 km)
- Swannanoa 2 SSE (43 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.
All North Carolina stations · How frost dates are calculated