Stephensport, KY frost dates
How Stephensport compares
- In 8 years out of 10, the last spring frost in Stephensport falls between March 16 and April 20, a 35-day window. The first fall frost falls between October 28 and November 25.
- The median last frost is 14 days earlier than the Kentucky median of Apr 16.
- Its 219-day growing season is among the longest of the 785 Kentucky places with a regular frost season.
- The last frost is 14 days earlier than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 76 nights a year at or below 32°F.
- Compared with Owensboro, KY, 55 km away, the last frost here is the same as there and the growing season is 6 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 16 |
| 50% (median) | April 2 |
| 10% (safe for tender plants) | April 20 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 28 |
| 50% (median) | November 7 |
| 90% (late) | November 25 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Stephensport, KY
Stephensport, KY frost dates — last frost Apr 2, first frost Nov 7, zone 7a. whenisthelastfrost.com
When to plant vegetables in Stephensport, KY
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 8 – Jan 22 | Mar 5 – Mar 19 | — | — |
| Peppers | Jan 22 – Feb 5 | Apr 16 – Apr 30 | — | — |
| Eggplant | Jan 22 – Feb 5 | Apr 16 – Apr 30 | — | — |
| Tomatoes | Feb 5 – Feb 19 | Apr 9 – Apr 23 | — | — |
| Lettuce | Feb 5 – Feb 19 | Mar 12 – Mar 26 | Mar 5 – Apr 9 | Sep 12 – Oct 10 |
| Kale | Feb 5 – Feb 19 | Mar 5 – Mar 19 | Mar 5 – Mar 19 | Aug 29 – Sep 19 |
| Broccoli | Feb 5 – Feb 19 | Mar 19 – Apr 2 | — | Aug 1 – Aug 22 |
| Cabbage | Feb 5 – Feb 19 | Mar 12 – Mar 26 | — | Aug 1 – Aug 22 |
| Cauliflower | Feb 5 – Feb 19 | Mar 19 – Apr 2 | — | Aug 1 – Aug 22 |
| Okra | Feb 19 – Mar 5 | Apr 23 – May 7 | Apr 23 – May 7 | — |
| Basil | Feb 19 – Mar 5 | Apr 9 – Apr 23 | — | — |
| Peas | — | — | Feb 19 – Mar 12 | Aug 15 – Sep 5 |
| Spinach | — | — | Feb 19 – Mar 12 | Sep 12 – Oct 3 |
| Radishes | — | — | Feb 26 – Apr 9 | Sep 26 – Oct 17 |
| Cucumbers | Mar 5 – Mar 12 | Apr 16 – Apr 23 | Apr 9 – Apr 23 | Aug 22 – Sep 5 |
| Zucchini & Summer Squash | Mar 5 – Mar 12 | — | Apr 9 – Apr 23 | Aug 29 – Sep 12 |
| Winter Squash & Pumpkins | Mar 5 – Mar 12 | — | Apr 9 – Apr 23 | — |
| Melons & Watermelon | Mar 5 – Mar 12 | Apr 16 – Apr 30 | — | — |
| Carrots | — | — | Mar 12 – Apr 9 | Aug 15 – Aug 29 |
| Beets | — | — | Mar 12 – Apr 9 | Aug 29 – Sep 12 |
| Potatoes | — | — | Mar 12 – Apr 2 | — |
| Swiss Chard | — | — | Mar 19 – Apr 16 | Aug 29 – Sep 12 |
| Cilantro | — | — | Mar 19 – Apr 9 | Sep 12 – Oct 3 |
| Green Beans | — | — | Apr 9 – Apr 30 | Aug 22 – Sep 5 |
| Sweet Corn | — | — | Apr 9 – Apr 23 | — |
| Sweet Potatoes | — | Apr 16 – May 7 | — | — |
| Garlic | — | — | — | Oct 24 – Nov 28 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Cannelton, IN weather station, 16 km away (elevation 404 ft (123 m)).
Frost dates near Stephensport
- Union Star Apr 2 · Nov 7
- Harned Apr 25 · Oct 16
- Mc Quady Apr 25 · Oct 16
- Rhodelia Apr 19 · Oct 24
- Webster Apr 25 · Oct 16
- Payneville Apr 19 · Oct 24
- Cloverport Apr 2 · Nov 7
- Hardinsburg Apr 11 · Oct 26
- Garfield Apr 25 · Oct 16
- Irvington Apr 25 · Oct 16
Frequently asked questions
When is the last frost in Stephensport, KY?
The median last spring frost in Stephensport, KY is April 2. There is still about a 10% chance of frost after April 20, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Stephensport, KY?
The median first fall frost is November 7, with about a 10% chance of frost before October 28.
How long is the growing season in Stephensport, KY?
About 219 days between the median last spring frost and first fall frost.
What planting zone is Stephensport, KY?
Stephensport, KY is in USDA hardiness zone 7a.