Cotulla, TX frost dates
Last spring frostFeb 11median date
First fall frostDec 3median date
Growing season295 daysfrost-free
Hardiness zone9aZone 9a
How Cotulla compares
- In 8 years out of 10, the last spring frost in Cotulla falls between January 5 and March 9, a 63-day window. The first fall frost falls between November 15 and January 5.
- The median last frost is 32 days earlier than the Texas median of Mar 15.
- Its 295-day growing season is longer than 97% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 20 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 10 nights a year at or below 32°F.
- Nearby Laredo, TX, 107 km away, gets only light, occasional frost, a reminder of how much elevation and distance from the coast matter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 5 |
| 50% (median) | February 11 |
| 10% (safe for tender plants) | March 9 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 15 |
| 50% (median) | December 3 |
| 90% (late) | January 5 |
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 Cotulla, TX
Cotulla, TX frost dates — last frost Feb 11, first frost Dec 3, zone 9a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Nov 19 to Dec 3Transplant outside: Jan 14 to Jan 28
Start indoors: Dec 3 to Dec 17Transplant outside: Feb 25 to Mar 11
Start indoors: Dec 3 to Dec 17Transplant outside: Feb 25 to Mar 11
Start indoors: Dec 17 to Dec 31Transplant outside: Feb 18 to Mar 4
Start indoors: Dec 17 to Dec 31Transplant outside: Jan 21 to Feb 4Sow outdoors: Jan 14 to Feb 18Plant for fall: Oct 8 to Nov 5
Start indoors: Dec 17 to Dec 31Transplant outside: Jan 14 to Jan 28Sow outdoors: Jan 14 to Jan 28Plant for fall: Sep 24 to Oct 15
Start indoors: Dec 17 to Dec 31Transplant outside: Jan 28 to Feb 11Plant for fall: Aug 27 to Sep 17
Start indoors: Dec 17 to Dec 31Transplant outside: Jan 21 to Feb 4Plant for fall: Aug 27 to Sep 17
Start indoors: Dec 17 to Dec 31Transplant outside: Jan 28 to Feb 11Plant for fall: Aug 27 to Sep 17
Start indoors: Dec 31 to Jan 14Start indoors: Dec 31 to Jan 14Transplant outside: Mar 4 to Mar 18Sow outdoors: Mar 4 to Mar 18
Start indoors: Dec 31 to Jan 14Start indoors: Dec 31 to Jan 14Transplant outside: Feb 18 to Mar 4
Sow outdoors: Dec 31 to Jan 21Sow outdoors: Dec 31 to Jan 21Plant for fall: Sep 10 to Oct 1
Sow outdoors: Dec 31 to Jan 21Sow outdoors: Dec 31 to Jan 21Plant for fall: Oct 8 to Oct 29
Sow outdoors: Jan 7 to Feb 18Plant for fall: Oct 22 to Nov 12
Start indoors: Jan 14 to Jan 21Transplant outside: Feb 25 to Mar 4Sow outdoors: Feb 18 to Mar 4Plant for fall: Sep 17 to Oct 1
Start indoors: Jan 14 to Jan 21Sow outdoors: Feb 18 to Mar 4Plant for fall: Sep 24 to Oct 8
Start indoors: Jan 14 to Jan 21Sow outdoors: Feb 18 to Mar 4
Start indoors: Jan 14 to Jan 21Transplant outside: Feb 25 to Mar 11
Sow outdoors: Jan 21 to Feb 18Plant for fall: Sep 10 to Sep 24
Sow outdoors: Jan 21 to Feb 18Plant for fall: Sep 24 to Oct 8
Sow outdoors: Jan 21 to Feb 11
Sow outdoors: Jan 28 to Feb 25Plant for fall: Sep 24 to Oct 8
Sow outdoors: Jan 28 to Feb 18Plant for fall: Oct 8 to Oct 29
Sow outdoors: Feb 18 to Mar 11Plant for fall: Sep 17 to Oct 1
Sow outdoors: Feb 18 to Mar 4
Transplant outside: Feb 25 to Mar 18
Plant for fall: Nov 19 to Dec 24
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Cotulla, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 19 – Dec 3 | Jan 14 – Jan 28 | — | — |
| Peppers | Dec 3 – Dec 17 | Feb 25 – Mar 11 | — | — |
| Eggplant | Dec 3 – Dec 17 | Feb 25 – Mar 11 | — | — |
| Tomatoes | Dec 17 – Dec 31 | Feb 18 – Mar 4 | — | — |
| Lettuce | Dec 17 – Dec 31 | Jan 21 – Feb 4 | Jan 14 – Feb 18 | Oct 8 – Nov 5 |
| Kale | Dec 17 – Dec 31 | Jan 14 – Jan 28 | Jan 14 – Jan 28 | Sep 24 – Oct 15 |
| Broccoli | Dec 17 – Dec 31 | Jan 28 – Feb 11 | — | Aug 27 – Sep 17 |
| Cabbage | Dec 17 – Dec 31 | Jan 21 – Feb 4 | — | Aug 27 – Sep 17 |
| Cauliflower | Dec 17 – Dec 31 | Jan 28 – Feb 11 | — | Aug 27 – Sep 17 |
| Okra | Dec 31 – Jan 14 | Mar 4 – Mar 18 | Mar 4 – Mar 18 | — |
| Basil | Dec 31 – Jan 14 | Feb 18 – Mar 4 | — | — |
| Peas | — | — | Dec 31 – Jan 21 | Sep 10 – Oct 1 |
| Spinach | — | — | Dec 31 – Jan 21 | Oct 8 – Oct 29 |
| Radishes | — | — | Jan 7 – Feb 18 | Oct 22 – Nov 12 |
| Cucumbers | Jan 14 – Jan 21 | Feb 25 – Mar 4 | Feb 18 – Mar 4 | Sep 17 – Oct 1 |
| Zucchini & Summer Squash | Jan 14 – Jan 21 | — | Feb 18 – Mar 4 | Sep 24 – Oct 8 |
| Winter Squash & Pumpkins | Jan 14 – Jan 21 | — | Feb 18 – Mar 4 | — |
| Melons & Watermelon | Jan 14 – Jan 21 | Feb 25 – Mar 11 | — | — |
| Carrots | — | — | Jan 21 – Feb 18 | Sep 10 – Sep 24 |
| Beets | — | — | Jan 21 – Feb 18 | Sep 24 – Oct 8 |
| Potatoes | — | — | Jan 21 – Feb 11 | — |
| Swiss Chard | — | — | Jan 28 – Feb 25 | Sep 24 – Oct 8 |
| Cilantro | — | — | Jan 28 – Feb 18 | Oct 8 – Oct 29 |
| Green Beans | — | — | Feb 18 – Mar 11 | Sep 17 – Oct 1 |
| Sweet Corn | — | — | Feb 18 – Mar 4 | — |
| Sweet Potatoes | — | Feb 25 – Mar 18 | — | — |
| Garlic | — | — | — | Nov 19 – Dec 24 |
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 Cotulla La Salle Co Ap, TX weather station, 2 km away (elevation 476 ft (145 m)).
Frost dates near Cotulla
- Artesia Wells Feb 11 · Dec 3
- Dilley Feb 16 · Dec 6
- Catarina Mar 5 · Nov 22
- Big Wells Feb 10 · Dec 10
- Fowlerton Mar 3 · Nov 25
- Encinal Feb 21 · Dec 9
- Asherton Mar 5 · Nov 22
- Pearsall Feb 16 · Dec 6
- Carrizo Springs Mar 5 · Nov 22
- Crystal City Feb 10 · Dec 10
Frequently asked questions
When is the last frost in Cotulla, TX?
The median last spring frost in Cotulla, TX is February 11. There is still about a 10% chance of frost after March 9, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Cotulla, TX?
The median first fall frost is December 3, with about a 10% chance of frost before November 15.
How long is the growing season in Cotulla, TX?
About 295 days between the median last spring frost and first fall frost.
What planting zone is Cotulla, TX?
Cotulla, TX is in USDA hardiness zone 9a.