Concepcion, TX frost dates
Last spring frostFeb 20median date
First fall frostDec 1median date
Growing season284 daysfrost-free
Hardiness zone9bZone 9b
How Concepcion compares
- In 8 years out of 10, the last spring frost in Concepcion falls between January 18 and March 14, a 55-day window. The first fall frost falls between November 10 and January 1.
- The median last frost is 23 days earlier than the Texas median of Mar 15.
- Its 284-day growing season is longer than 91% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is typical for zone 9b, where the median is Feb 20.
- The weather station records an average of 15 nights a year at or below 32°F.
- Nearby Corpus Christi, TX, 96 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 18 |
| 50% (median) | February 20 |
| 10% (safe for tender plants) | March 14 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 10 |
| 50% (median) | December 1 |
| 90% (late) | January 1 |
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 Concepcion, TX
Concepcion, TX frost dates — last frost Feb 20, first frost Dec 1, zone 9b. whenisthelastfrost.com
Crop
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Start indoors: Nov 28 to Dec 12Transplant outside: Jan 23 to Feb 6
Start indoors: Dec 12 to Dec 26Transplant outside: Mar 6 to Mar 20
Start indoors: Dec 12 to Dec 26Transplant outside: Mar 6 to Mar 20
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Feb 27 to Mar 13
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Jan 30 to Feb 13Sow outdoors: Jan 23 to Feb 27Plant for fall: Oct 6 to Nov 3
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Jan 23 to Feb 6Sow outdoors: Jan 23 to Feb 6Plant for fall: Sep 22 to Oct 13
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Feb 6 to Feb 20Plant for fall: Aug 25 to Sep 15
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Jan 30 to Feb 13Plant for fall: Aug 25 to Sep 15
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Feb 6 to Feb 20Plant for fall: Aug 25 to Sep 15
Start indoors: Jan 9 to Jan 23Transplant outside: Mar 13 to Mar 27Sow outdoors: Mar 13 to Mar 27
Start indoors: Jan 9 to Jan 23Transplant outside: Feb 27 to Mar 13
Sow outdoors: Jan 9 to Jan 30Plant for fall: Sep 8 to Sep 29
Sow outdoors: Jan 9 to Jan 30Plant for fall: Oct 6 to Oct 27
Sow outdoors: Jan 16 to Feb 27Plant for fall: Oct 20 to Nov 10
Start indoors: Jan 23 to Jan 30Transplant outside: Mar 6 to Mar 13Sow outdoors: Feb 27 to Mar 13Plant for fall: Sep 15 to Sep 29
Start indoors: Jan 23 to Jan 30Sow outdoors: Feb 27 to Mar 13Plant for fall: Sep 22 to Oct 6
Start indoors: Jan 23 to Jan 30Sow outdoors: Feb 27 to Mar 13
Start indoors: Jan 23 to Jan 30Transplant outside: Mar 6 to Mar 20
Sow outdoors: Jan 30 to Feb 27Plant for fall: Sep 8 to Sep 22
Sow outdoors: Jan 30 to Feb 27Plant for fall: Sep 22 to Oct 6
Sow outdoors: Jan 30 to Feb 20
Sow outdoors: Feb 6 to Mar 6Plant for fall: Sep 22 to Oct 6
Sow outdoors: Feb 6 to Feb 27Plant for fall: Oct 6 to Oct 27
Sow outdoors: Feb 27 to Mar 20Plant for fall: Sep 15 to Sep 29
Sow outdoors: Feb 27 to Mar 13
Transplant outside: Mar 6 to Mar 27
Plant for fall: Nov 17 to Dec 22
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Concepcion, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 28 – Dec 12 | Jan 23 – Feb 6 | — | — |
| Peppers | Dec 12 – Dec 26 | Mar 6 – Mar 20 | — | — |
| Eggplant | Dec 12 – Dec 26 | Mar 6 – Mar 20 | — | — |
| Tomatoes | Dec 26 – Jan 9 | Feb 27 – Mar 13 | — | — |
| Lettuce | Dec 26 – Jan 9 | Jan 30 – Feb 13 | Jan 23 – Feb 27 | Oct 6 – Nov 3 |
| Kale | Dec 26 – Jan 9 | Jan 23 – Feb 6 | Jan 23 – Feb 6 | Sep 22 – Oct 13 |
| Broccoli | Dec 26 – Jan 9 | Feb 6 – Feb 20 | — | Aug 25 – Sep 15 |
| Cabbage | Dec 26 – Jan 9 | Jan 30 – Feb 13 | — | Aug 25 – Sep 15 |
| Cauliflower | Dec 26 – Jan 9 | Feb 6 – Feb 20 | — | Aug 25 – Sep 15 |
| Okra | Jan 9 – Jan 23 | Mar 13 – Mar 27 | Mar 13 – Mar 27 | — |
| Basil | Jan 9 – Jan 23 | Feb 27 – Mar 13 | — | — |
| Peas | — | — | Jan 9 – Jan 30 | Sep 8 – Sep 29 |
| Spinach | — | — | Jan 9 – Jan 30 | Oct 6 – Oct 27 |
| Radishes | — | — | Jan 16 – Feb 27 | Oct 20 – Nov 10 |
| Cucumbers | Jan 23 – Jan 30 | Mar 6 – Mar 13 | Feb 27 – Mar 13 | Sep 15 – Sep 29 |
| Zucchini & Summer Squash | Jan 23 – Jan 30 | — | Feb 27 – Mar 13 | Sep 22 – Oct 6 |
| Winter Squash & Pumpkins | Jan 23 – Jan 30 | — | Feb 27 – Mar 13 | — |
| Melons & Watermelon | Jan 23 – Jan 30 | Mar 6 – Mar 20 | — | — |
| Carrots | — | — | Jan 30 – Feb 27 | Sep 8 – Sep 22 |
| Beets | — | — | Jan 30 – Feb 27 | Sep 22 – Oct 6 |
| Potatoes | — | — | Jan 30 – Feb 20 | — |
| Swiss Chard | — | — | Feb 6 – Mar 6 | Sep 22 – Oct 6 |
| Cilantro | — | — | Feb 6 – Feb 27 | Oct 6 – Oct 27 |
| Green Beans | — | — | Feb 27 – Mar 20 | Sep 15 – Sep 29 |
| Sweet Corn | — | — | Feb 27 – Mar 13 | — |
| Sweet Potatoes | — | Mar 6 – Mar 27 | — | — |
| Garlic | — | — | — | Nov 17 – Dec 22 |
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 Benavides, TX weather station, 26 km away (elevation 381 ft (116 m)).
Frost dates near Concepcion
- Premont Feb 25 · Dec 1
- Realitos Feb 4 · Dec 12
- Falfurrias Feb 25 · Dec 1
- Benavides Feb 20 · Dec 1
- Ben Bolt Jan 29 · Dec 29
- Hebbronville Feb 4 · Dec 12
- San Diego Jan 29 · Dec 29
- Alice Jan 29 · Dec 29
- Kingsville Feb 3 · Dec 14
- Sarita Feb 17 · Dec 8
Frequently asked questions
When is the last frost in Concepcion, TX?
The median last spring frost in Concepcion, TX is February 20. 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 Concepcion, TX?
The median first fall frost is December 1, with about a 10% chance of frost before November 10.
How long is the growing season in Concepcion, TX?
About 284 days between the median last spring frost and first fall frost.
What planting zone is Concepcion, TX?
Concepcion, TX is in USDA hardiness zone 9b.