Frost Dates for Owensboro, KY
In Owensboro, KY, the average last spring frost is around Apr 2 and the average first fall frost around Nov 1, for a growing season of about 211 days. For frost-tender plants, wait until Apr 20, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Calhoun Lock 2, KY weather station, 18 miles away, elevation 402 ft. Frost can come earlier in low spots and valleys and later near cities and large lakes.
Frost probability by date
Chance of a 32°F frost after the spring date, or before the fall date.
| Chance | Last spring frost | First fall frost |
|---|---|---|
| 10% | Apr 20 | Oct 19 |
| 20% | Apr 14 | Oct 24 |
| 30% | Apr 10 | Oct 27 |
| 40% | Apr 6 | Oct 30 |
| 50% | Apr 2 | Nov 1 |
| 60% | Mar 31 | Nov 3 |
| 70% | Mar 27 | Nov 6 |
| 80% | Mar 23 | Nov 9 |
| 90% | Mar 17 | Nov 15 |
Light frost vs. hard freeze
Average (50%) dates for each temperature. Tender plants are damaged at 36°F; most hardy crops survive until 28°F.
| Temperature | Last in spring | First in fall |
|---|---|---|
| Light frost (36°F) | Apr 14 | Oct 23 |
| Frost / freeze (32°F) | Apr 2 | Nov 1 |
| Hard freeze (28°F) | Mar 23 | Nov 10 |
Planting calendar for Owensboro
Transplant Apr 9 – Apr 23
Transplant Apr 16 – Apr 30
Transplant Apr 16 – Apr 30
Transplant Apr 9 – Apr 23
Sow or transplant Apr 9 – Apr 23
Sow or transplant Apr 9 – Apr 23
Sow or transplant Apr 16 – Apr 30
Sow or transplant Mar 5 – Mar 19
Fall sowing Sep 6 – Oct 4
Fall sowing Sep 6 – Sep 27
Fall sowing Aug 23 – Sep 6
Sow or transplant Mar 5 – Mar 19
Fall sowing Aug 23 – Sep 20
Transplant Mar 19 – Apr 2
Fall sowing Aug 9 – Aug 23
Transplant Mar 12 – Mar 26
Fall sowing Aug 9 – Aug 23
Fall sowing Aug 9 – Aug 23
Fall sowing Sep 20 – Oct 11
Fall sowing Aug 23 – Sep 6
Plant Mar 5 – Mar 19
Based on the average last frost (Apr 2) and first frost (Nov 1). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.