Jackson, TN frost dates
How Jackson compares
- In 8 years out of 10, the last spring frost in Jackson falls between March 16 and April 18, a 33-day window. The first fall frost falls between October 16 and November 11.
- The median last frost is 5 days earlier than the Tennessee median of Apr 7.
- Its 210-day growing season is longer than 67% 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 71 nights a year at or below 32°F.
- Compared with Cordova, TN, 100 km away, the last frost here is 4 days later than there and the growing season is 11 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 16 |
| 50% (median) | April 2 |
| 10% (safe for tender plants) | April 18 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 16 |
| 50% (median) | October 29 |
| 90% (late) | November 11 |
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 Jackson, TN
Jackson, TN frost dates — last frost Apr 2, first frost Oct 29, zone 7b. whenisthelastfrost.com
When to plant vegetables in Jackson, TN
| 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 3 – Oct 1 |
| Kale | Feb 5 – Feb 19 | Mar 5 – Mar 19 | Mar 5 – Mar 19 | Aug 20 – Sep 10 |
| Broccoli | Feb 5 – Feb 19 | Mar 19 – Apr 2 | — | Jul 23 – Aug 13 |
| Cabbage | Feb 5 – Feb 19 | Mar 12 – Mar 26 | — | Jul 23 – Aug 13 |
| Cauliflower | Feb 5 – Feb 19 | Mar 19 – Apr 2 | — | Jul 23 – Aug 13 |
| 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 6 – Aug 27 |
| Spinach | — | — | Feb 19 – Mar 12 | Sep 3 – Sep 24 |
| Radishes | — | — | Feb 26 – Apr 9 | Sep 17 – Oct 8 |
| Cucumbers | Mar 5 – Mar 12 | Apr 16 – Apr 23 | Apr 9 – Apr 23 | Aug 13 – Aug 27 |
| Zucchini & Summer Squash | Mar 5 – Mar 12 | — | Apr 9 – Apr 23 | Aug 20 – Sep 3 |
| 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 6 – Aug 20 |
| Beets | — | — | Mar 12 – Apr 9 | Aug 20 – Sep 3 |
| Potatoes | — | — | Mar 12 – Apr 2 | — |
| Swiss Chard | — | — | Mar 19 – Apr 16 | Aug 20 – Sep 3 |
| Cilantro | — | — | Mar 19 – Apr 9 | Sep 3 – Sep 24 |
| Green Beans | — | — | Apr 9 – Apr 30 | Aug 13 – Aug 27 |
| Sweet Corn | — | — | Apr 9 – Apr 23 | — |
| Sweet Potatoes | — | Apr 16 – May 7 | — | — |
| 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 Jackson Exp Stn, TN weather station, about 1 km away (elevation 400 ft (122 m)).
ZIP codes in Jackson: 38301 38302 38303 38305 38308 38314
Frost dates near Jackson
- Oakfield Apr 4 · Oct 30
- Denmark Apr 5 · Oct 29
- Beech Bluff Apr 10 · Oct 25
- Pinson Apr 10 · Oct 25
- Spring Creek Apr 4 · Oct 30
- Medina Apr 4 · Oct 30
- Medon Apr 10 · Oct 25
- Gadsden Mar 28 · Nov 4
- Fruitvale Mar 28 · Nov 4
- Mercer Apr 5 · Oct 29
Frequently asked questions
When is the last frost in Jackson, TN?
The median last spring frost in Jackson, TN is April 2. There is still about a 10% chance of frost after April 18, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Jackson, TN?
The median first fall frost is October 29, with about a 10% chance of frost before October 16.
How long is the growing season in Jackson, TN?
About 210 days between the median last spring frost and first fall frost.
What planting zone is Jackson, TN?
Jackson, TN is in USDA hardiness zone 7b.