Frost dates for 37042 — Clarksville, TN
Last spring frostApr 6median date
First fall frostOct 28median date
Growing season205 daysfrost-free
Hardiness zone7bZone 7b
How Clarksville compares
- In 8 years out of 10, the last spring frost in Clarksville 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 1 day earlier than the Tennessee median of Apr 7.
- Its 205-day growing season is longer than 44% 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 80 nights a year at or below 32°F.
- Compared with Nashville, TN, 73 km away, the last frost here is 5 days later than there and the growing season is 8 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 Clarksville, TN
Frost dates for 37042 — Clarksville, TN — last frost Apr 6, first frost Oct 28, zone 7b. whenisthelastfrost.com
Crop
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Start indoors: Jan 12 to Jan 26Transplant outside: Mar 9 to Mar 23
Start indoors: Jan 26 to Feb 9Transplant outside: Apr 20 to May 4
Start indoors: Jan 26 to Feb 9Transplant outside: Apr 20 to May 4
Start indoors: Feb 9 to Feb 23Transplant outside: Apr 13 to Apr 27
Start indoors: Feb 9 to Feb 23Transplant outside: Mar 16 to Mar 30Sow outdoors: Mar 9 to Apr 13Plant for fall: Sep 2 to Sep 30
Start indoors: Feb 9 to Feb 23Transplant outside: Mar 9 to Mar 23Sow outdoors: Mar 9 to Mar 23Plant for fall: Aug 19 to Sep 9
Start indoors: Feb 9 to Feb 23Transplant outside: Mar 23 to Apr 6Plant for fall: Jul 22 to Aug 12
Start indoors: Feb 9 to Feb 23Transplant outside: Mar 16 to Mar 30Plant for fall: Jul 22 to Aug 12
Start indoors: Feb 9 to Feb 23Transplant outside: Mar 23 to Apr 6Plant for fall: Jul 22 to Aug 12
Start indoors: Feb 23 to Mar 9Transplant outside: Apr 27 to May 11Sow outdoors: Apr 27 to May 11
Start indoors: Feb 23 to Mar 9Transplant outside: Apr 13 to Apr 27
Sow outdoors: Feb 23 to Mar 16Plant for fall: Aug 5 to Aug 26
Sow outdoors: Feb 23 to Mar 16Plant for fall: Sep 2 to Sep 23
Sow outdoors: Mar 2 to Apr 13Plant for fall: Sep 16 to Oct 7
Start indoors: Mar 9 to Mar 16Transplant outside: Apr 20 to Apr 27Sow outdoors: Apr 13 to Apr 27Plant for fall: Aug 12 to Aug 26
Start indoors: Mar 9 to Mar 16Sow outdoors: Apr 13 to Apr 27Plant for fall: Aug 19 to Sep 2
Start indoors: Mar 9 to Mar 16Sow outdoors: Apr 13 to Apr 27
Start indoors: Mar 9 to Mar 16Transplant outside: Apr 20 to May 4
Sow outdoors: Mar 16 to Apr 13Plant for fall: Aug 5 to Aug 19
Sow outdoors: Mar 16 to Apr 13Plant for fall: Aug 19 to Sep 2
Sow outdoors: Mar 16 to Apr 6
Sow outdoors: Mar 23 to Apr 20Plant for fall: Aug 19 to Sep 2
Sow outdoors: Mar 23 to Apr 13Plant for fall: Sep 2 to Sep 23
Sow outdoors: Apr 13 to May 4Plant for fall: Aug 12 to Aug 26
Sow outdoors: Apr 13 to Apr 27
Transplant outside: Apr 20 to May 11
Plant for fall: Oct 14 to Nov 18
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Clarksville, TN
| 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, 4 km away (elevation 561 ft (171 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
- Indian Mound Apr 4 · Oct 31
- Adams Apr 3 · Nov 1
- Southside Apr 9 · Nov 1
- Big Rock Apr 4 · Oct 31
- Cumberland City Apr 7 · Nov 3
Frequently asked questions
When is the last frost in Clarksville, TN?
The median last spring frost in Clarksville, TN 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 Clarksville, TN?
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 Clarksville, TN?
About 205 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.