Frost dates for Louisville, Kentucky
In a typical year, Louisville’s last spring frost lands around Apr 3 and the first fall frost around Nov 3, a growing season of about 214 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 7a.
Right now the growing season is open, with about 9 days until the typical first fall frost.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Mar 18 | Oct 21 |
| 50 percent | Apr 3 | Nov 3 |
| 90 percent | Apr 19 | Nov 16 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Louisville is typically around 57°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Louisville
- Garlic (Music)
Timing comes from the same temperature engine the app uses, run against Louisville’s normals for today.
Common questions
When is the last frost in Louisville, Kentucky?
Louisville’s last spring frost falls around April 3 in a typical year. One year in ten it is done by March 18, and one year in ten frost holds on until April 19. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in Louisville?
The first fall frost arrives around November 3 in a typical year, as early as October 21 in an early year and as late as November 16 in a late one.
How long is the growing season in Louisville?
About 214 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is Louisville in?
Louisville is in USDA hardiness zone 7a under the 2023 USDA Plant Hardiness Zone Map.
Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.
Nearby cities
- Jeffersonville, IN (around Mar 31 to Nov 9)
- Bedford, IN (around Apr 20 to Oct 20)
- Lexington, KY (around Apr 13 to Oct 28)
- Owensboro, KY (around Apr 2 to Nov 1)
- Covington, KY (around Apr 16 to Oct 25)
Row & Bed is a plant reference built around your garden: your zone, your frost dates, your forecast, and a cited page for every variety in your beds.
Set up your garden