Elmendorf, TX frost dates
Last spring frostFeb 20median date
First fall frostDec 3median date
Growing season286 daysfrost-free
Hardiness zone9aZone 9a
How Elmendorf compares
- In 8 years out of 10, the last spring frost in Elmendorf falls between January 20 and March 13, a 52-day window. The first fall frost falls between November 12 and January 1.
- The median last frost is 23 days earlier than the Texas median of Mar 15.
- Its 286-day growing season is longer than 92% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 11 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 14 nights a year at or below 32°F.
- Compared with San Antonio, TX, 29 km away, the last frost here is 5 days earlier than there and the growing season is 10 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 20 |
| 50% (median) | February 20 |
| 10% (safe for tender plants) | March 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 12 |
| 50% (median) | December 3 |
| 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 Elmendorf, TX
Elmendorf, TX frost dates — last frost Feb 20, first frost Dec 3, zone 9a. whenisthelastfrost.com
Crop
JFMAMJJASOND
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 8 to Nov 5
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 24 to Oct 15
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Feb 6 to Feb 20Plant for fall: Aug 27 to Sep 17
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Jan 30 to Feb 13Plant for fall: Aug 27 to Sep 17
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Feb 6 to Feb 20Plant for fall: Aug 27 to Sep 17
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 10 to Oct 1
Sow outdoors: Jan 9 to Jan 30Plant for fall: Oct 8 to Oct 29
Sow outdoors: Jan 16 to Feb 27Plant for fall: Oct 22 to Nov 12
Start indoors: Jan 23 to Jan 30Transplant outside: Mar 6 to Mar 13Sow outdoors: Feb 27 to Mar 13Plant for fall: Sep 17 to Oct 1
Start indoors: Jan 23 to Jan 30Sow outdoors: Feb 27 to Mar 13Plant for fall: Sep 24 to Oct 8
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 10 to Sep 24
Sow outdoors: Jan 30 to Feb 27Plant for fall: Sep 24 to Oct 8
Sow outdoors: Jan 30 to Feb 20
Sow outdoors: Feb 6 to Mar 6Plant for fall: Sep 24 to Oct 8
Sow outdoors: Feb 6 to Feb 27Plant for fall: Oct 8 to Oct 29
Sow outdoors: Feb 27 to Mar 20Plant for fall: Sep 17 to Oct 1
Sow outdoors: Feb 27 to Mar 13
Transplant outside: Mar 6 to Mar 27
Plant for fall: Nov 19 to Dec 24
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Elmendorf, 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 8 – Nov 5 |
| Kale | Dec 26 – Jan 9 | Jan 23 – Feb 6 | Jan 23 – Feb 6 | Sep 24 – Oct 15 |
| Broccoli | Dec 26 – Jan 9 | Feb 6 – Feb 20 | — | Aug 27 – Sep 17 |
| Cabbage | Dec 26 – Jan 9 | Jan 30 – Feb 13 | — | Aug 27 – Sep 17 |
| Cauliflower | Dec 26 – Jan 9 | Feb 6 – Feb 20 | — | Aug 27 – Sep 17 |
| 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 10 – Oct 1 |
| Spinach | — | — | Jan 9 – Jan 30 | Oct 8 – Oct 29 |
| Radishes | — | — | Jan 16 – Feb 27 | Oct 22 – Nov 12 |
| Cucumbers | Jan 23 – Jan 30 | Mar 6 – Mar 13 | Feb 27 – Mar 13 | Sep 17 – Oct 1 |
| Zucchini & Summer Squash | Jan 23 – Jan 30 | — | Feb 27 – Mar 13 | Sep 24 – Oct 8 |
| 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 10 – Sep 24 |
| Beets | — | — | Jan 30 – Feb 27 | Sep 24 – Oct 8 |
| Potatoes | — | — | Jan 30 – Feb 20 | — |
| Swiss Chard | — | — | Feb 6 – Mar 6 | Sep 24 – Oct 8 |
| Cilantro | — | — | Feb 6 – Feb 27 | Oct 8 – Oct 29 |
| Green Beans | — | — | Feb 27 – Mar 20 | Sep 17 – Oct 1 |
| Sweet Corn | — | — | Feb 27 – Mar 13 | — |
| Sweet Potatoes | — | Mar 6 – Mar 27 | — | — |
| 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 San Antonio Stinson Ap, TX weather station, 15 km away (elevation 571 ft (174 m)).
Frost dates near Elmendorf
- Floresville Mar 6 · Nov 20
- Adkins Feb 21 · Dec 5
- Leming Feb 22 · Dec 1
- Jbsa Ft Sam Houston Feb 25 · Nov 28
- Jbsa Lackland Feb 25 · Nov 28
- La Vernia Mar 6 · Nov 20
- Saint Hedwig Feb 21 · Dec 5
- Poteet Feb 22 · Dec 1
- Pleasanton Feb 27 · Nov 28
- Somerset Feb 24 · Dec 2
Frequently asked questions
When is the last frost in Elmendorf, TX?
The median last spring frost in Elmendorf, TX is February 20. 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 Elmendorf, TX?
The median first fall frost is December 3, with about a 10% chance of frost before November 12.
How long is the growing season in Elmendorf, TX?
About 286 days between the median last spring frost and first fall frost.
What planting zone is Elmendorf, TX?
Elmendorf, TX is in USDA hardiness zone 9a.