Terlingua, TX frost dates
Last spring frostFeb 21median date
First fall frostNov 30median date
Growing season282 daysfrost-free
Hardiness zone9aZone 9a
How Terlingua compares
- In 8 years out of 10, the last spring frost in Terlingua falls between January 29 and March 14, a 44-day window. The first fall frost falls between November 14 and December 16.
- The median last frost is 22 days earlier than the Texas median of Mar 15.
- Its 282-day growing season is longer than 89% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 10 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 21 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 29 |
| 50% (median) | February 21 |
| 10% (safe for tender plants) | March 14 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 14 |
| 50% (median) | November 30 |
| 90% (late) | December 16 |
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 Terlingua, TX
Terlingua, TX frost dates — last frost Feb 21, first frost Nov 30, zone 9a. whenisthelastfrost.com
Crop
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Start indoors: Nov 29 to Dec 13Transplant outside: Jan 24 to Feb 7
Start indoors: Dec 13 to Dec 27Transplant outside: Mar 7 to Mar 21
Start indoors: Dec 13 to Dec 27Transplant outside: Mar 7 to Mar 21
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Feb 28 to Mar 14
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Jan 31 to Feb 14Sow outdoors: Jan 24 to Feb 28Plant for fall: Oct 5 to Nov 2
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Jan 24 to Feb 7Sow outdoors: Jan 24 to Feb 7Plant for fall: Sep 21 to Oct 12
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Feb 7 to Feb 21Plant for fall: Aug 24 to Sep 14
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Jan 31 to Feb 14Plant for fall: Aug 24 to Sep 14
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Feb 7 to Feb 21Plant for fall: Aug 24 to Sep 14
Start indoors: Jan 10 to Jan 24Transplant outside: Mar 14 to Mar 28Sow outdoors: Mar 14 to Mar 28
Start indoors: Jan 10 to Jan 24Transplant outside: Feb 28 to Mar 14
Sow outdoors: Jan 10 to Jan 31Plant for fall: Sep 7 to Sep 28
Sow outdoors: Jan 10 to Jan 31Plant for fall: Oct 5 to Oct 26
Sow outdoors: Jan 17 to Feb 28Plant for fall: Oct 19 to Nov 9
Start indoors: Jan 24 to Jan 31Transplant outside: Mar 7 to Mar 14Sow outdoors: Feb 28 to Mar 14Plant for fall: Sep 14 to Sep 28
Start indoors: Jan 24 to Jan 31Sow outdoors: Feb 28 to Mar 14Plant for fall: Sep 21 to Oct 5
Start indoors: Jan 24 to Jan 31Sow outdoors: Feb 28 to Mar 14
Start indoors: Jan 24 to Jan 31Transplant outside: Mar 7 to Mar 21
Sow outdoors: Jan 31 to Feb 28Plant for fall: Sep 7 to Sep 21
Sow outdoors: Jan 31 to Feb 28Plant for fall: Sep 21 to Oct 5
Sow outdoors: Jan 31 to Feb 21
Sow outdoors: Feb 7 to Mar 7Plant for fall: Sep 21 to Oct 5
Sow outdoors: Feb 7 to Feb 28Plant for fall: Oct 5 to Oct 26
Sow outdoors: Feb 28 to Mar 21Plant for fall: Sep 14 to Sep 28
Sow outdoors: Feb 28 to Mar 14
Transplant outside: Mar 7 to Mar 28
Plant for fall: Nov 16 to Dec 21
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Terlingua, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 29 – Dec 13 | Jan 24 – Feb 7 | — | — |
| Peppers | Dec 13 – Dec 27 | Mar 7 – Mar 21 | — | — |
| Eggplant | Dec 13 – Dec 27 | Mar 7 – Mar 21 | — | — |
| Tomatoes | Dec 27 – Jan 10 | Feb 28 – Mar 14 | — | — |
| Lettuce | Dec 27 – Jan 10 | Jan 31 – Feb 14 | Jan 24 – Feb 28 | Oct 5 – Nov 2 |
| Kale | Dec 27 – Jan 10 | Jan 24 – Feb 7 | Jan 24 – Feb 7 | Sep 21 – Oct 12 |
| Broccoli | Dec 27 – Jan 10 | Feb 7 – Feb 21 | — | Aug 24 – Sep 14 |
| Cabbage | Dec 27 – Jan 10 | Jan 31 – Feb 14 | — | Aug 24 – Sep 14 |
| Cauliflower | Dec 27 – Jan 10 | Feb 7 – Feb 21 | — | Aug 24 – Sep 14 |
| Okra | Jan 10 – Jan 24 | Mar 14 – Mar 28 | Mar 14 – Mar 28 | — |
| Basil | Jan 10 – Jan 24 | Feb 28 – Mar 14 | — | — |
| Peas | — | — | Jan 10 – Jan 31 | Sep 7 – Sep 28 |
| Spinach | — | — | Jan 10 – Jan 31 | Oct 5 – Oct 26 |
| Radishes | — | — | Jan 17 – Feb 28 | Oct 19 – Nov 9 |
| Cucumbers | Jan 24 – Jan 31 | Mar 7 – Mar 14 | Feb 28 – Mar 14 | Sep 14 – Sep 28 |
| Zucchini & Summer Squash | Jan 24 – Jan 31 | — | Feb 28 – Mar 14 | Sep 21 – Oct 5 |
| Winter Squash & Pumpkins | Jan 24 – Jan 31 | — | Feb 28 – Mar 14 | — |
| Melons & Watermelon | Jan 24 – Jan 31 | Mar 7 – Mar 21 | — | — |
| Carrots | — | — | Jan 31 – Feb 28 | Sep 7 – Sep 21 |
| Beets | — | — | Jan 31 – Feb 28 | Sep 21 – Oct 5 |
| Potatoes | — | — | Jan 31 – Feb 21 | — |
| Swiss Chard | — | — | Feb 7 – Mar 7 | Sep 21 – Oct 5 |
| Cilantro | — | — | Feb 7 – Feb 28 | Oct 5 – Oct 26 |
| Green Beans | — | — | Feb 28 – Mar 21 | Sep 14 – Sep 28 |
| Sweet Corn | — | — | Feb 28 – Mar 14 | — |
| Sweet Potatoes | — | Mar 7 – Mar 28 | — | — |
| Garlic | — | — | — | Nov 16 – Dec 21 |
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 Study Butte, TX weather station, about 1 km away (elevation 2,562 ft (781 m)).
Frost dates near Terlingua
- Big Bend National Park Mar 10 · Nov 19
- Redford Mar 21 · Nov 11
- Presidio Feb 23 · Nov 26
- Marathon Apr 7 · Nov 1
- Alpine Apr 2 · Nov 3
- Marfa Apr 14 · Oct 27
- Sanderson Mar 11 · Nov 11
- Fort Davis Apr 5 · Nov 1
- Dryden Mar 1 · Nov 28
- Valentine Apr 11 · Oct 30
Frequently asked questions
When is the last frost in Terlingua, TX?
The median last spring frost in Terlingua, TX is February 21. There is still about a 10% chance of frost after March 14, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Terlingua, TX?
The median first fall frost is November 30, with about a 10% chance of frost before November 14.
How long is the growing season in Terlingua, TX?
About 282 days between the median last spring frost and first fall frost.
What planting zone is Terlingua, TX?
Terlingua, TX is in USDA hardiness zone 9a.