Hallettsville, TX frost dates
Last spring frostFeb 17median date
First fall frostDec 4median date
Growing season290 daysfrost-free
Hardiness zone9aZone 9a
How Hallettsville compares
- In 8 years out of 10, the last spring frost in Hallettsville falls between January 19 and March 13, a 53-day window. The first fall frost falls between November 14 and January 8.
- The median last frost is 26 days earlier than the Texas median of Mar 15.
- Its 290-day growing season is longer than 94% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 14 days earlier than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 13 nights a year at or below 32°F.
- Compared with Victoria, TX, 69 km away, the last frost here is 3 days later than there and the growing season is 8 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 19 |
| 50% (median) | February 17 |
| 10% (safe for tender plants) | March 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 14 |
| 50% (median) | December 4 |
| 90% (late) | January 8 |
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 Hallettsville, TX
Hallettsville, TX frost dates — last frost Feb 17, first frost Dec 4, zone 9a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Nov 25 to Dec 9Transplant outside: Jan 20 to Feb 3
Start indoors: Dec 9 to Dec 23Transplant outside: Mar 3 to Mar 17
Start indoors: Dec 9 to Dec 23Transplant outside: Mar 3 to Mar 17
Start indoors: Dec 23 to Jan 6Start indoors: Dec 23 to Jan 6Transplant outside: Feb 24 to Mar 10
Start indoors: Dec 23 to Jan 6Start indoors: Dec 23 to Jan 6Transplant outside: Jan 27 to Feb 10Sow outdoors: Jan 20 to Feb 24Plant for fall: Oct 9 to Nov 6
Start indoors: Dec 23 to Jan 6Start indoors: Dec 23 to Jan 6Transplant outside: Jan 20 to Feb 3Sow outdoors: Jan 20 to Feb 3Plant for fall: Sep 25 to Oct 16
Start indoors: Dec 23 to Jan 6Start indoors: Dec 23 to Jan 6Transplant outside: Feb 3 to Feb 17Plant for fall: Aug 28 to Sep 18
Start indoors: Dec 23 to Jan 6Start indoors: Dec 23 to Jan 6Transplant outside: Jan 27 to Feb 10Plant for fall: Aug 28 to Sep 18
Start indoors: Dec 23 to Jan 6Start indoors: Dec 23 to Jan 6Transplant outside: Feb 3 to Feb 17Plant for fall: Aug 28 to Sep 18
Start indoors: Jan 6 to Jan 20Transplant outside: Mar 10 to Mar 24Sow outdoors: Mar 10 to Mar 24
Start indoors: Jan 6 to Jan 20Transplant outside: Feb 24 to Mar 10
Sow outdoors: Jan 6 to Jan 27Plant for fall: Sep 11 to Oct 2
Sow outdoors: Jan 6 to Jan 27Plant for fall: Oct 9 to Oct 30
Sow outdoors: Jan 13 to Feb 24Plant for fall: Oct 23 to Nov 13
Start indoors: Jan 20 to Jan 27Transplant outside: Mar 3 to Mar 10Sow outdoors: Feb 24 to Mar 10Plant for fall: Sep 18 to Oct 2
Start indoors: Jan 20 to Jan 27Sow outdoors: Feb 24 to Mar 10Plant for fall: Sep 25 to Oct 9
Start indoors: Jan 20 to Jan 27Sow outdoors: Feb 24 to Mar 10
Start indoors: Jan 20 to Jan 27Transplant outside: Mar 3 to Mar 17
Sow outdoors: Jan 27 to Feb 24Plant for fall: Sep 11 to Sep 25
Sow outdoors: Jan 27 to Feb 24Plant for fall: Sep 25 to Oct 9
Sow outdoors: Jan 27 to Feb 17
Sow outdoors: Feb 3 to Mar 3Plant for fall: Sep 25 to Oct 9
Sow outdoors: Feb 3 to Feb 24Plant for fall: Oct 9 to Oct 30
Sow outdoors: Feb 24 to Mar 17Plant for fall: Sep 18 to Oct 2
Sow outdoors: Feb 24 to Mar 10
Transplant outside: Mar 3 to Mar 24
Plant for fall: Nov 20 to Dec 25
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Hallettsville, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 25 – Dec 9 | Jan 20 – Feb 3 | — | — |
| Peppers | Dec 9 – Dec 23 | Mar 3 – Mar 17 | — | — |
| Eggplant | Dec 9 – Dec 23 | Mar 3 – Mar 17 | — | — |
| Tomatoes | Dec 23 – Jan 6 | Feb 24 – Mar 10 | — | — |
| Lettuce | Dec 23 – Jan 6 | Jan 27 – Feb 10 | Jan 20 – Feb 24 | Oct 9 – Nov 6 |
| Kale | Dec 23 – Jan 6 | Jan 20 – Feb 3 | Jan 20 – Feb 3 | Sep 25 – Oct 16 |
| Broccoli | Dec 23 – Jan 6 | Feb 3 – Feb 17 | — | Aug 28 – Sep 18 |
| Cabbage | Dec 23 – Jan 6 | Jan 27 – Feb 10 | — | Aug 28 – Sep 18 |
| Cauliflower | Dec 23 – Jan 6 | Feb 3 – Feb 17 | — | Aug 28 – Sep 18 |
| Okra | Jan 6 – Jan 20 | Mar 10 – Mar 24 | Mar 10 – Mar 24 | — |
| Basil | Jan 6 – Jan 20 | Feb 24 – Mar 10 | — | — |
| Peas | — | — | Jan 6 – Jan 27 | Sep 11 – Oct 2 |
| Spinach | — | — | Jan 6 – Jan 27 | Oct 9 – Oct 30 |
| Radishes | — | — | Jan 13 – Feb 24 | Oct 23 – Nov 13 |
| Cucumbers | Jan 20 – Jan 27 | Mar 3 – Mar 10 | Feb 24 – Mar 10 | Sep 18 – Oct 2 |
| Zucchini & Summer Squash | Jan 20 – Jan 27 | — | Feb 24 – Mar 10 | Sep 25 – Oct 9 |
| Winter Squash & Pumpkins | Jan 20 – Jan 27 | — | Feb 24 – Mar 10 | — |
| Melons & Watermelon | Jan 20 – Jan 27 | Mar 3 – Mar 17 | — | — |
| Carrots | — | — | Jan 27 – Feb 24 | Sep 11 – Sep 25 |
| Beets | — | — | Jan 27 – Feb 24 | Sep 25 – Oct 9 |
| Potatoes | — | — | Jan 27 – Feb 17 | — |
| Swiss Chard | — | — | Feb 3 – Mar 3 | Sep 25 – Oct 9 |
| Cilantro | — | — | Feb 3 – Feb 24 | Oct 9 – Oct 30 |
| Green Beans | — | — | Feb 24 – Mar 17 | Sep 18 – Oct 2 |
| Sweet Corn | — | — | Feb 24 – Mar 10 | — |
| Sweet Potatoes | — | Mar 3 – Mar 24 | — | — |
| Garlic | — | — | — | Nov 20 – Dec 25 |
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 Hallettsville 2 N, TX weather station, 3 km away (elevation 276 ft (84 m)).
Frost dates near Hallettsville
- Sublime Feb 17 · Dec 4
- Sweet Home Mar 2 · Nov 30
- Oakland Feb 17 · Dec 4
- Moulton Mar 2 · Nov 27
- Shiner Mar 2 · Nov 30
- Sheridan Mar 9 · Nov 20
- Yoakum Mar 2 · Nov 30
- Schulenburg Mar 2 · Nov 27
- Weimar Mar 9 · Nov 20
- Flatonia Mar 2 · Nov 27
Frequently asked questions
When is the last frost in Hallettsville, TX?
The median last spring frost in Hallettsville, TX is February 17. There is still about a 10% chance of frost after March 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Hallettsville, TX?
The median first fall frost is December 4, with about a 10% chance of frost before November 14.
How long is the growing season in Hallettsville, TX?
About 290 days between the median last spring frost and first fall frost.
What planting zone is Hallettsville, TX?
Hallettsville, TX is in USDA hardiness zone 9a.