Frost dates for 37044 — Clarksville, TN
How Clarksville compares
- In 8 years out of 10, the last spring frost in Clarksville falls between March 19 and April 20, a 32-day window. The first fall frost falls between October 20 and November 14.
- The median last frost is 4 days earlier than the Tennessee median of Apr 7.
- Its 212-day growing season is longer than 73% of the 548 Tennessee places with a regular frost season (state median 206 days).
- The last frost is typical for zone 7b, where the median is Apr 5.
- The weather station records an average of 78 nights a year at or below 32°F.
- Compared with Nashville, TN, 65 km away, the last frost here is 2 days later than there and the growing season is 1 day shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 19 |
| 50% (median) | April 3 |
| 10% (safe for tender plants) | April 20 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 20 |
| 50% (median) | November 1 |
| 90% (late) | November 14 |
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 Clarksville, TN
Frost dates for 37044 — Clarksville, TN — last frost Apr 3, first frost Nov 1, zone 7b. whenisthelastfrost.com
When to plant vegetables in Clarksville, TN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 9 – Jan 23 | Mar 6 – Mar 20 | — | — |
| Peppers | Jan 23 – Feb 6 | Apr 17 – May 1 | — | — |
| Eggplant | Jan 23 – Feb 6 | Apr 17 – May 1 | — | — |
| Tomatoes | Feb 6 – Feb 20 | Apr 10 – Apr 24 | — | — |
| Lettuce | Feb 6 – Feb 20 | Mar 13 – Mar 27 | Mar 6 – Apr 10 | Sep 6 – Oct 4 |
| Kale | Feb 6 – Feb 20 | Mar 6 – Mar 20 | Mar 6 – Mar 20 | Aug 23 – Sep 13 |
| Broccoli | Feb 6 – Feb 20 | Mar 20 – Apr 3 | — | Jul 26 – Aug 16 |
| Cabbage | Feb 6 – Feb 20 | Mar 13 – Mar 27 | — | Jul 26 – Aug 16 |
| Cauliflower | Feb 6 – Feb 20 | Mar 20 – Apr 3 | — | Jul 26 – Aug 16 |
| Okra | Feb 20 – Mar 6 | Apr 24 – May 8 | Apr 24 – May 8 | — |
| Basil | Feb 20 – Mar 6 | Apr 10 – Apr 24 | — | — |
| Peas | — | — | Feb 20 – Mar 13 | Aug 9 – Aug 30 |
| Spinach | — | — | Feb 20 – Mar 13 | Sep 6 – Sep 27 |
| Radishes | — | — | Feb 27 – Apr 10 | Sep 20 – Oct 11 |
| Cucumbers | Mar 6 – Mar 13 | Apr 17 – Apr 24 | Apr 10 – Apr 24 | Aug 16 – Aug 30 |
| Zucchini & Summer Squash | Mar 6 – Mar 13 | — | Apr 10 – Apr 24 | Aug 23 – Sep 6 |
| Winter Squash & Pumpkins | Mar 6 – Mar 13 | — | Apr 10 – Apr 24 | — |
| Melons & Watermelon | Mar 6 – Mar 13 | Apr 17 – May 1 | — | — |
| Carrots | — | — | Mar 13 – Apr 10 | Aug 9 – Aug 23 |
| Beets | — | — | Mar 13 – Apr 10 | Aug 23 – Sep 6 |
| Potatoes | — | — | Mar 13 – Apr 3 | — |
| Swiss Chard | — | — | Mar 20 – Apr 17 | Aug 23 – Sep 6 |
| Cilantro | — | — | Mar 20 – Apr 10 | Sep 6 – Sep 27 |
| Green Beans | — | — | Apr 10 – May 1 | Aug 16 – Aug 30 |
| Sweet Corn | — | — | Apr 10 – Apr 24 | — |
| Sweet Potatoes | — | Apr 17 – May 8 | — | — |
| Garlic | — | — | — | Oct 18 – Nov 22 |
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 Wwtp, TN weather station, 2 km away (elevation 404 ft (123 m)).
ZIP codes in Clarksville: 37040 37041 37042 37043 37044
Frost dates near Clarksville
- Woodlawn Apr 6 · Oct 28
- Palmyra Apr 10 · Oct 30
- Cunningham Apr 10 · Oct 30
- Southside Apr 9 · Nov 1
- Adams Apr 3 · Nov 1
- Chapmansboro Apr 9 · Nov 1
- Slayden Apr 9 · Nov 1
- Cumberland Furnace Apr 9 · Nov 1
Frequently asked questions
When is the last frost in Clarksville, TN?
The median last spring frost in Clarksville, TN is April 3. 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 Clarksville, TN?
The median first fall frost is November 1, with about a 10% chance of frost before October 20.
How long is the growing season in Clarksville, TN?
About 212 days between the median last spring frost and first fall frost.
What planting zone is Clarksville, TN?
Clarksville, TN is in USDA hardiness zone 7b.