Frost dates for Bardstown 5e, KY
At Bardstown 5e, the median last spring frost (32°F) is Apr 13 and the median first fall frost is Oct 25, for a typical growing season of 195 days. For a 90% chance that the last frost has passed, wait until May 3. Nearby ZIP codes are in USDA hardiness zone 7a.
- Apr 13Last spring frost (median)50% chance of 32°F after this date
- May 3Safer planting date10% chance of 32°F after this date
- Oct 25First fall frost (median)50% chance of 32°F by this date
- 195 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 11 | Apr 26 | May 12 |
| 32°F | Mar 29 | Apr 13 | May 3 |
| 28°F | Mar 15 | Mar 31 | Apr 18 |
| 24°F | Mar 1 | Mar 21 | Apr 5 |
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 2 | Oct 16 | Oct 27 |
| 32°F | Oct 13 | Oct 25 | Nov 6 |
| 28°F | Oct 21 | Nov 5 | Nov 21 |
| 24°F | Nov 2 | Nov 15 | Dec 4 |
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 | 153 days | 173 days | 192 days |
| 32°F | 174 days | 195 days | 215 days |
| 28°F | 196 days | 217 days | 240 days |
| 24°F | 217 days | 241 days | 266 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 |
|---|---|---|---|
| 40004 | 7a | 0 to 5°F | 8 km |
| 40049 | 7a | 0 to 5°F | 17 km |
| 40037 | 7a | 0 to 5°F | 18 km |
| 40069 | 7a | 0 to 5°F | 19 km |
| 40078 | 7a | 0 to 5°F | 21 km |
| 40107 | 7a | 0 to 5°F | 22 km |
| 40062 | 7a | 0 to 5°F | 24 km |
| 40040 | 7a | 0 to 5°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 USC00150397, at 37.8194, -85.3847, elevation 238 m (780 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 87.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Taylorsville Lake (21 km)
- Bernheim Forest (26 km)
- Louisville WFO (40 km)
- Bradfordsville (41 km)
- Hodgenville Lincoln P (44 km)
- Shelbyville 1 E (45 km)
- Elizabethtown Wp Cs (46 km)
- Louisville Intl Airport (51 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.