Jacksonville, TX frost dates
How Jacksonville compares
- In 8 years out of 10, the last spring frost in Jacksonville falls between March 1 and April 8, a 38-day window. The first fall frost falls between October 30 and December 3.
- The median last frost is 7 days later than the Texas median of Mar 15.
- Its 237-day growing season is longer than 36% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 6 days later than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 37 nights a year at or below 32°F.
- Compared with Tyler, TX, 45 km away, the last frost here is 15 days later than there and the growing season is 22 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 1 |
| 50% (median) | March 22 |
| 10% (safe for tender plants) | April 8 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 30 |
| 50% (median) | November 14 |
| 90% (late) | December 3 |
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 Jacksonville, TX
Jacksonville, TX frost dates — last frost Mar 22, first frost Nov 14, zone 8b. whenisthelastfrost.com
When to plant vegetables in Jacksonville, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 28 – Jan 11 | Feb 22 – Mar 8 | — | — |
| Peppers | Jan 11 – Jan 25 | Apr 5 – Apr 19 | — | — |
| Eggplant | Jan 11 – Jan 25 | Apr 5 – Apr 19 | — | — |
| Tomatoes | Jan 25 – Feb 8 | Mar 29 – Apr 12 | — | — |
| Lettuce | Jan 25 – Feb 8 | Mar 1 – Mar 15 | Feb 22 – Mar 29 | Sep 19 – Oct 17 |
| Kale | Jan 25 – Feb 8 | Feb 22 – Mar 8 | Feb 22 – Mar 8 | Sep 5 – Sep 26 |
| Broccoli | Jan 25 – Feb 8 | Mar 8 – Mar 22 | — | Aug 8 – Aug 29 |
| Cabbage | Jan 25 – Feb 8 | Mar 1 – Mar 15 | — | Aug 8 – Aug 29 |
| Cauliflower | Jan 25 – Feb 8 | Mar 8 – Mar 22 | — | Aug 8 – Aug 29 |
| Okra | Feb 8 – Feb 22 | Apr 12 – Apr 26 | Apr 12 – Apr 26 | — |
| Basil | Feb 8 – Feb 22 | Mar 29 – Apr 12 | — | — |
| Peas | — | — | Feb 8 – Mar 1 | Aug 22 – Sep 12 |
| Spinach | — | — | Feb 8 – Mar 1 | Sep 19 – Oct 10 |
| Radishes | — | — | Feb 15 – Mar 29 | Oct 3 – Oct 24 |
| Cucumbers | Feb 22 – Mar 1 | Apr 5 – Apr 12 | Mar 29 – Apr 12 | Aug 29 – Sep 12 |
| Zucchini & Summer Squash | Feb 22 – Mar 1 | — | Mar 29 – Apr 12 | Sep 5 – Sep 19 |
| Winter Squash & Pumpkins | Feb 22 – Mar 1 | — | Mar 29 – Apr 12 | — |
| Melons & Watermelon | Feb 22 – Mar 1 | Apr 5 – Apr 19 | — | — |
| Carrots | — | — | Mar 1 – Mar 29 | Aug 22 – Sep 5 |
| Beets | — | — | Mar 1 – Mar 29 | Sep 5 – Sep 19 |
| Potatoes | — | — | Mar 1 – Mar 22 | — |
| Swiss Chard | — | — | Mar 8 – Apr 5 | Sep 5 – Sep 19 |
| Cilantro | — | — | Mar 8 – Mar 29 | Sep 19 – Oct 10 |
| Green Beans | — | — | Mar 29 – Apr 19 | Aug 29 – Sep 12 |
| Sweet Corn | — | — | Mar 29 – Apr 12 | — |
| Sweet Potatoes | — | Apr 5 – Apr 26 | — | — |
| Garlic | — | — | — | Oct 31 – Dec 5 |
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 Jacksonville, TX weather station, about 1 km away (elevation 561 ft (171 m)).
Frost dates near Jacksonville
- Gallatin Mar 7 · Nov 25
- Cuney Mar 22 · Nov 14
- New Summerfield Mar 22 · Nov 14
- Bullard Mar 22 · Nov 14
- Maydelle Mar 7 · Nov 25
- Troup Mar 22 · Nov 14
- Rusk Mar 7 · Nov 25
- Neches Mar 23 · Nov 9
- Frankston Mar 22 · Nov 14
- Reklaw Mar 7 · Nov 25
Frequently asked questions
When is the last frost in Jacksonville, TX?
The median last spring frost in Jacksonville, TX is March 22. There is still about a 10% chance of frost after April 8, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Jacksonville, TX?
The median first fall frost is November 14, with about a 10% chance of frost before October 30.
How long is the growing season in Jacksonville, TX?
About 237 days between the median last spring frost and first fall frost.
What planting zone is Jacksonville, TX?
Jacksonville, TX is in USDA hardiness zone 8b.