Trimble, TN frost dates
Last spring frostApr 3median date
First fall frostOct 29median date
Growing season209 daysfrost-free
Hardiness zone7bZone 7b
How Trimble compares
- In 8 years out of 10, the last spring frost in Trimble falls between March 18 and April 19, a 32-day window. The first fall frost falls between October 17 and November 10.
- The median last frost is 4 days earlier than the Tennessee median of Apr 7.
- Its 209-day growing season is longer than 64% 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 86 nights a year at or below 32°F.
- Compared with Jackson, TN, 72 km away, the last frost here is 1 day later than there and the growing season is 1 day shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 18 |
| 50% (median) | April 3 |
| 10% (safe for tender plants) | April 19 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 17 |
| 50% (median) | October 29 |
| 90% (late) | November 10 |
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 Trimble, TN
Trimble, TN frost dates — last frost Apr 3, first frost Oct 29, zone 7b. whenisthelastfrost.com
Crop
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Start indoors: Jan 9 to Jan 23Transplant outside: Mar 6 to Mar 20
Start indoors: Jan 23 to Feb 6Transplant outside: Apr 17 to May 1
Start indoors: Jan 23 to Feb 6Transplant outside: Apr 17 to May 1
Start indoors: Feb 6 to Feb 20Transplant outside: Apr 10 to Apr 24
Start indoors: Feb 6 to Feb 20Transplant outside: Mar 13 to Mar 27Sow outdoors: Mar 6 to Apr 10Plant for fall: Sep 3 to Oct 1
Start indoors: Feb 6 to Feb 20Transplant outside: Mar 6 to Mar 20Sow outdoors: Mar 6 to Mar 20Plant for fall: Aug 20 to Sep 10
Start indoors: Feb 6 to Feb 20Transplant outside: Mar 20 to Apr 3Plant for fall: Jul 23 to Aug 13
Start indoors: Feb 6 to Feb 20Transplant outside: Mar 13 to Mar 27Plant for fall: Jul 23 to Aug 13
Start indoors: Feb 6 to Feb 20Transplant outside: Mar 20 to Apr 3Plant for fall: Jul 23 to Aug 13
Start indoors: Feb 20 to Mar 6Transplant outside: Apr 24 to May 8Sow outdoors: Apr 24 to May 8
Start indoors: Feb 20 to Mar 6Transplant outside: Apr 10 to Apr 24
Sow outdoors: Feb 20 to Mar 13Plant for fall: Aug 6 to Aug 27
Sow outdoors: Feb 20 to Mar 13Plant for fall: Sep 3 to Sep 24
Sow outdoors: Feb 27 to Apr 10Plant for fall: Sep 17 to Oct 8
Start indoors: Mar 6 to Mar 13Transplant outside: Apr 17 to Apr 24Sow outdoors: Apr 10 to Apr 24Plant for fall: Aug 13 to Aug 27
Start indoors: Mar 6 to Mar 13Sow outdoors: Apr 10 to Apr 24Plant for fall: Aug 20 to Sep 3
Start indoors: Mar 6 to Mar 13Sow outdoors: Apr 10 to Apr 24
Start indoors: Mar 6 to Mar 13Transplant outside: Apr 17 to May 1
Sow outdoors: Mar 13 to Apr 10Plant for fall: Aug 6 to Aug 20
Sow outdoors: Mar 13 to Apr 10Plant for fall: Aug 20 to Sep 3
Sow outdoors: Mar 13 to Apr 3
Sow outdoors: Mar 20 to Apr 17Plant for fall: Aug 20 to Sep 3
Sow outdoors: Mar 20 to Apr 10Plant for fall: Sep 3 to Sep 24
Sow outdoors: Apr 10 to May 1Plant for fall: Aug 13 to Aug 27
Sow outdoors: Apr 10 to Apr 24
Transplant outside: Apr 17 to May 8
Plant for fall: Oct 15 to Nov 19
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Trimble, 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 3 – Oct 1 |
| Kale | Feb 6 – Feb 20 | Mar 6 – Mar 20 | Mar 6 – Mar 20 | Aug 20 – Sep 10 |
| Broccoli | Feb 6 – Feb 20 | Mar 20 – Apr 3 | — | Jul 23 – Aug 13 |
| Cabbage | Feb 6 – Feb 20 | Mar 13 – Mar 27 | — | Jul 23 – Aug 13 |
| Cauliflower | Feb 6 – Feb 20 | Mar 20 – Apr 3 | — | Jul 23 – Aug 13 |
| 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 6 – Aug 27 |
| Spinach | — | — | Feb 20 – Mar 13 | Sep 3 – Sep 24 |
| Radishes | — | — | Feb 27 – Apr 10 | Sep 17 – Oct 8 |
| Cucumbers | Mar 6 – Mar 13 | Apr 17 – Apr 24 | Apr 10 – Apr 24 | Aug 13 – Aug 27 |
| Zucchini & Summer Squash | Mar 6 – Mar 13 | — | Apr 10 – Apr 24 | Aug 20 – Sep 3 |
| 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 6 – Aug 20 |
| Beets | — | — | Mar 13 – Apr 10 | Aug 20 – Sep 3 |
| Potatoes | — | — | Mar 13 – Apr 3 | — |
| Swiss Chard | — | — | Mar 20 – Apr 17 | Aug 20 – Sep 3 |
| Cilantro | — | — | Mar 20 – Apr 10 | Sep 3 – Sep 24 |
| Green Beans | — | — | Apr 10 – May 1 | Aug 13 – Aug 27 |
| Sweet Corn | — | — | Apr 10 – Apr 24 | — |
| Sweet Potatoes | — | Apr 17 – May 8 | — | — |
| Garlic | — | — | — | Oct 15 – Nov 19 |
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 Union City, TN weather station, 25 km away (elevation 351 ft (107 m)).
Frost dates near Trimble
- Yorkville Apr 3 · Oct 29
- Obion Apr 3 · Nov 1
- Newbern Mar 28 · Nov 2
- Kenton Apr 4 · Oct 28
- Troy Apr 3 · Oct 29
- Rives Apr 3 · Oct 29
- Rutherford Apr 4 · Oct 28
- Hornbeak Apr 3 · Nov 1
- Dyer Apr 4 · Oct 28
- Bogota Mar 28 · Nov 2
Frequently asked questions
When is the last frost in Trimble, TN?
The median last spring frost in Trimble, TN is April 3. There is still about a 10% chance of frost after April 19, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Trimble, TN?
The median first fall frost is October 29, with about a 10% chance of frost before October 17.
How long is the growing season in Trimble, TN?
About 209 days between the median last spring frost and first fall frost.
What planting zone is Trimble, TN?
Trimble, TN is in USDA hardiness zone 7b.