Dilley, TX frost dates
Last spring frostFeb 16median date
First fall frostDec 6median date
Growing season293 daysfrost-free
Hardiness zone9aZone 9a
How Dilley compares
- In 8 years out of 10, the last spring frost in Dilley falls between January 14 and March 12, a 57-day window. The first fall frost falls between November 16 and January 3.
- The median last frost is 27 days earlier than the Texas median of Mar 15.
- Its 293-day growing season is longer than 95% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 15 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.
- Compared with San Antonio, TX, 109 km away, the last frost here is 9 days earlier than there and the growing season is 17 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 14 |
| 50% (median) | February 16 |
| 10% (safe for tender plants) | March 12 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 16 |
| 50% (median) | December 6 |
| 90% (late) | January 3 |
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 Dilley, TX
Dilley, TX frost dates — last frost Feb 16, first frost Dec 6, zone 9a. whenisthelastfrost.com
Crop
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Start indoors: Nov 24 to Dec 8Transplant outside: Jan 19 to Feb 2
Start indoors: Dec 8 to Dec 22Transplant outside: Mar 2 to Mar 16
Start indoors: Dec 8 to Dec 22Transplant outside: Mar 2 to Mar 16
Start indoors: Dec 22 to Jan 5Start indoors: Dec 22 to Jan 5Transplant outside: Feb 23 to Mar 9
Start indoors: Dec 22 to Jan 5Start indoors: Dec 22 to Jan 5Transplant outside: Jan 26 to Feb 9Sow outdoors: Jan 19 to Feb 23Plant for fall: Oct 11 to Nov 8
Start indoors: Dec 22 to Jan 5Start indoors: Dec 22 to Jan 5Transplant outside: Jan 19 to Feb 2Sow outdoors: Jan 19 to Feb 2Plant for fall: Sep 27 to Oct 18
Start indoors: Dec 22 to Jan 5Start indoors: Dec 22 to Jan 5Transplant outside: Feb 2 to Feb 16Plant for fall: Aug 30 to Sep 20
Start indoors: Dec 22 to Jan 5Start indoors: Dec 22 to Jan 5Transplant outside: Jan 26 to Feb 9Plant for fall: Aug 30 to Sep 20
Start indoors: Dec 22 to Jan 5Start indoors: Dec 22 to Jan 5Transplant outside: Feb 2 to Feb 16Plant for fall: Aug 30 to Sep 20
Start indoors: Jan 5 to Jan 19Transplant outside: Mar 9 to Mar 23Sow outdoors: Mar 9 to Mar 23
Start indoors: Jan 5 to Jan 19Transplant outside: Feb 23 to Mar 9
Sow outdoors: Jan 5 to Jan 26Plant for fall: Sep 13 to Oct 4
Sow outdoors: Jan 5 to Jan 26Plant for fall: Oct 11 to Nov 1
Sow outdoors: Jan 12 to Feb 23Plant for fall: Oct 25 to Nov 15
Start indoors: Jan 19 to Jan 26Transplant outside: Mar 2 to Mar 9Sow outdoors: Feb 23 to Mar 9Plant for fall: Sep 20 to Oct 4
Start indoors: Jan 19 to Jan 26Sow outdoors: Feb 23 to Mar 9Plant for fall: Sep 27 to Oct 11
Start indoors: Jan 19 to Jan 26Sow outdoors: Feb 23 to Mar 9
Start indoors: Jan 19 to Jan 26Transplant outside: Mar 2 to Mar 16
Sow outdoors: Jan 26 to Feb 23Plant for fall: Sep 13 to Sep 27
Sow outdoors: Jan 26 to Feb 23Plant for fall: Sep 27 to Oct 11
Sow outdoors: Jan 26 to Feb 16
Sow outdoors: Feb 2 to Mar 2Plant for fall: Sep 27 to Oct 11
Sow outdoors: Feb 2 to Feb 23Plant for fall: Oct 11 to Nov 1
Sow outdoors: Feb 23 to Mar 16Plant for fall: Sep 20 to Oct 4
Sow outdoors: Feb 23 to Mar 9
Transplant outside: Mar 2 to Mar 23
Plant for fall: Nov 22 to Dec 27
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Dilley, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 24 – Dec 8 | Jan 19 – Feb 2 | — | — |
| Peppers | Dec 8 – Dec 22 | Mar 2 – Mar 16 | — | — |
| Eggplant | Dec 8 – Dec 22 | Mar 2 – Mar 16 | — | — |
| Tomatoes | Dec 22 – Jan 5 | Feb 23 – Mar 9 | — | — |
| Lettuce | Dec 22 – Jan 5 | Jan 26 – Feb 9 | Jan 19 – Feb 23 | Oct 11 – Nov 8 |
| Kale | Dec 22 – Jan 5 | Jan 19 – Feb 2 | Jan 19 – Feb 2 | Sep 27 – Oct 18 |
| Broccoli | Dec 22 – Jan 5 | Feb 2 – Feb 16 | — | Aug 30 – Sep 20 |
| Cabbage | Dec 22 – Jan 5 | Jan 26 – Feb 9 | — | Aug 30 – Sep 20 |
| Cauliflower | Dec 22 – Jan 5 | Feb 2 – Feb 16 | — | Aug 30 – Sep 20 |
| Okra | Jan 5 – Jan 19 | Mar 9 – Mar 23 | Mar 9 – Mar 23 | — |
| Basil | Jan 5 – Jan 19 | Feb 23 – Mar 9 | — | — |
| Peas | — | — | Jan 5 – Jan 26 | Sep 13 – Oct 4 |
| Spinach | — | — | Jan 5 – Jan 26 | Oct 11 – Nov 1 |
| Radishes | — | — | Jan 12 – Feb 23 | Oct 25 – Nov 15 |
| Cucumbers | Jan 19 – Jan 26 | Mar 2 – Mar 9 | Feb 23 – Mar 9 | Sep 20 – Oct 4 |
| Zucchini & Summer Squash | Jan 19 – Jan 26 | — | Feb 23 – Mar 9 | Sep 27 – Oct 11 |
| Winter Squash & Pumpkins | Jan 19 – Jan 26 | — | Feb 23 – Mar 9 | — |
| Melons & Watermelon | Jan 19 – Jan 26 | Mar 2 – Mar 16 | — | — |
| Carrots | — | — | Jan 26 – Feb 23 | Sep 13 – Sep 27 |
| Beets | — | — | Jan 26 – Feb 23 | Sep 27 – Oct 11 |
| Potatoes | — | — | Jan 26 – Feb 16 | — |
| Swiss Chard | — | — | Feb 2 – Mar 2 | Sep 27 – Oct 11 |
| Cilantro | — | — | Feb 2 – Feb 23 | Oct 11 – Nov 1 |
| Green Beans | — | — | Feb 23 – Mar 16 | Sep 20 – Oct 4 |
| Sweet Corn | — | — | Feb 23 – Mar 9 | — |
| Sweet Potatoes | — | Mar 2 – Mar 23 | — | — |
| Garlic | — | — | — | Nov 22 – Dec 27 |
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 Dilley, TX weather station, about 1 km away (elevation 551 ft (168 m)).
Frost dates near Dilley
- Pearsall Feb 16 · Dec 6
- Cotulla Feb 11 · Dec 3
- Fowlerton Mar 3 · Nov 25
- Big Wells Feb 10 · Dec 10
- Moore Feb 24 · Dec 2
- Artesia Wells Feb 11 · Dec 3
- Charlotte Feb 26 · Nov 28
- Batesville Feb 10 · Dec 10
- Yancey Feb 28 · Nov 27
- Bigfoot Feb 26 · Nov 28
Frequently asked questions
When is the last frost in Dilley, TX?
The median last spring frost in Dilley, TX is February 16. There is still about a 10% chance of frost after March 12, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Dilley, TX?
The median first fall frost is December 6, with about a 10% chance of frost before November 16.
How long is the growing season in Dilley, TX?
About 293 days between the median last spring frost and first fall frost.
What planting zone is Dilley, TX?
Dilley, TX is in USDA hardiness zone 9a.