Fort Campbell, KY frost dates
How Fort Campbell compares
- In 8 years out of 10, the last spring frost in Fort Campbell falls between March 20 and April 23, a 34-day window. The first fall frost falls between October 15 and November 9.
- The median last frost is 10 days earlier than the Kentucky median of Apr 16.
- Its 205-day growing season is longer than 77% of the 785 Kentucky places with a regular frost season (state median 192 days).
- The last frost is 10 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 80 nights a year at or below 32°F.
- Compared with Clarksville, TN, 17 km away, the last frost here is 3 days later than there and the growing season is 7 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 20 |
| 50% (median) | April 6 |
| 10% (safe for tender plants) | April 23 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 15 |
| 50% (median) | October 28 |
| 90% (late) | November 9 |
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 Fort Campbell, KY
Fort Campbell, KY frost dates — last frost Apr 6, first frost Oct 28, zone 7a. whenisthelastfrost.com
When to plant vegetables in Fort Campbell, KY
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 12 – Jan 26 | Mar 9 – Mar 23 | — | — |
| Peppers | Jan 26 – Feb 9 | Apr 20 – May 4 | — | — |
| Eggplant | Jan 26 – Feb 9 | Apr 20 – May 4 | — | — |
| Tomatoes | Feb 9 – Feb 23 | Apr 13 – Apr 27 | — | — |
| Lettuce | Feb 9 – Feb 23 | Mar 16 – Mar 30 | Mar 9 – Apr 13 | Sep 2 – Sep 30 |
| Kale | Feb 9 – Feb 23 | Mar 9 – Mar 23 | Mar 9 – Mar 23 | Aug 19 – Sep 9 |
| Broccoli | Feb 9 – Feb 23 | Mar 23 – Apr 6 | — | Jul 22 – Aug 12 |
| Cabbage | Feb 9 – Feb 23 | Mar 16 – Mar 30 | — | Jul 22 – Aug 12 |
| Cauliflower | Feb 9 – Feb 23 | Mar 23 – Apr 6 | — | Jul 22 – Aug 12 |
| Okra | Feb 23 – Mar 9 | Apr 27 – May 11 | Apr 27 – May 11 | — |
| Basil | Feb 23 – Mar 9 | Apr 13 – Apr 27 | — | — |
| Peas | — | — | Feb 23 – Mar 16 | Aug 5 – Aug 26 |
| Spinach | — | — | Feb 23 – Mar 16 | Sep 2 – Sep 23 |
| Radishes | — | — | Mar 2 – Apr 13 | Sep 16 – Oct 7 |
| Cucumbers | Mar 9 – Mar 16 | Apr 20 – Apr 27 | Apr 13 – Apr 27 | Aug 12 – Aug 26 |
| Zucchini & Summer Squash | Mar 9 – Mar 16 | — | Apr 13 – Apr 27 | Aug 19 – Sep 2 |
| Winter Squash & Pumpkins | Mar 9 – Mar 16 | — | Apr 13 – Apr 27 | — |
| Melons & Watermelon | Mar 9 – Mar 16 | Apr 20 – May 4 | — | — |
| Carrots | — | — | Mar 16 – Apr 13 | Aug 5 – Aug 19 |
| Beets | — | — | Mar 16 – Apr 13 | Aug 19 – Sep 2 |
| Potatoes | — | — | Mar 16 – Apr 6 | — |
| Swiss Chard | — | — | Mar 23 – Apr 20 | Aug 19 – Sep 2 |
| Cilantro | — | — | Mar 23 – Apr 13 | Sep 2 – Sep 23 |
| Green Beans | — | — | Apr 13 – May 4 | Aug 12 – Aug 26 |
| Sweet Corn | — | — | Apr 13 – Apr 27 | — |
| Sweet Potatoes | — | Apr 20 – May 11 | — | — |
| Garlic | — | — | — | Oct 14 – Nov 18 |
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 Clarksville Outlaw Ap, TN weather station, 5 km away (elevation 561 ft (171 m)).
Frost dates near Fort Campbell
- Oak Grove Apr 6 · Oct 28
- Herndon Apr 4 · Nov 2
- Pembroke Apr 4 · Nov 2
- La Fayette Apr 6 · Oct 28
- Trenton Apr 3 · Oct 29
- Hopkinsville Apr 4 · Nov 2
- Fairview Apr 3 · Oct 29
- Gracey Apr 4 · Nov 2
- Guthrie Apr 3 · Oct 29
- Allensville Apr 3 · Oct 29
Frequently asked questions
When is the last frost in Fort Campbell, KY?
The median last spring frost in Fort Campbell, KY is April 6. There is still about a 10% chance of frost after April 23, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Fort Campbell, KY?
The median first fall frost is October 28, with about a 10% chance of frost before October 15.
How long is the growing season in Fort Campbell, KY?
About 205 days between the median last spring frost and first fall frost.
What planting zone is Fort Campbell, KY?
Fort Campbell, KY is in USDA hardiness zone 7a.