Frost dates for 75137 — Duncanville, TX
Last spring frostMar 20median date
First fall frostNov 13median date
Growing season238 daysfrost-free
Hardiness zone8bZone 8b
How Duncanville compares
- In 8 years out of 10, the last spring frost in Duncanville falls between February 28 and April 8, a 39-day window. The first fall frost falls between October 27 and December 3.
- The median last frost is 5 days later than the Texas median of Mar 15.
- Its 238-day growing season is longer than 38% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 4 days later than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 52 nights a year at or below 32°F.
- Compared with Desoto, TX, 6 km away, the last frost here is 14 days later than there and the growing season is 26 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 28 |
| 50% (median) | March 20 |
| 10% (safe for tender plants) | April 8 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 27 |
| 50% (median) | November 13 |
| 90% (late) | December 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 Duncanville, TX
Frost dates for 75137 — Duncanville, TX — last frost Mar 20, first frost Nov 13, zone 8b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Feb 20 to Mar 6
Start indoors: Jan 9 to Jan 23Transplant outside: Apr 3 to Apr 17
Start indoors: Jan 9 to Jan 23Transplant outside: Apr 3 to Apr 17
Start indoors: Jan 23 to Feb 6Transplant outside: Mar 27 to Apr 10
Start indoors: Jan 23 to Feb 6Transplant outside: Feb 27 to Mar 13Sow outdoors: Feb 20 to Mar 27Plant for fall: Sep 18 to Oct 16
Start indoors: Jan 23 to Feb 6Transplant outside: Feb 20 to Mar 6Sow outdoors: Feb 20 to Mar 6Plant for fall: Sep 4 to Sep 25
Start indoors: Jan 23 to Feb 6Transplant outside: Mar 6 to Mar 20Plant for fall: Aug 7 to Aug 28
Start indoors: Jan 23 to Feb 6Transplant outside: Feb 27 to Mar 13Plant for fall: Aug 7 to Aug 28
Start indoors: Jan 23 to Feb 6Transplant outside: Mar 6 to Mar 20Plant for fall: Aug 7 to Aug 28
Start indoors: Feb 6 to Feb 20Transplant outside: Apr 10 to Apr 24Sow outdoors: Apr 10 to Apr 24
Start indoors: Feb 6 to Feb 20Transplant outside: Mar 27 to Apr 10
Sow outdoors: Feb 6 to Feb 27Plant for fall: Aug 21 to Sep 11
Sow outdoors: Feb 6 to Feb 27Plant for fall: Sep 18 to Oct 9
Sow outdoors: Feb 13 to Mar 27Plant for fall: Oct 2 to Oct 23
Start indoors: Feb 20 to Feb 27Transplant outside: Apr 3 to Apr 10Sow outdoors: Mar 27 to Apr 10Plant for fall: Aug 28 to Sep 11
Start indoors: Feb 20 to Feb 27Sow outdoors: Mar 27 to Apr 10Plant for fall: Sep 4 to Sep 18
Start indoors: Feb 20 to Feb 27Sow outdoors: Mar 27 to Apr 10
Start indoors: Feb 20 to Feb 27Transplant outside: Apr 3 to Apr 17
Sow outdoors: Feb 27 to Mar 27Plant for fall: Aug 21 to Sep 4
Sow outdoors: Feb 27 to Mar 27Plant for fall: Sep 4 to Sep 18
Sow outdoors: Feb 27 to Mar 20
Sow outdoors: Mar 6 to Apr 3Plant for fall: Sep 4 to Sep 18
Sow outdoors: Mar 6 to Mar 27Plant for fall: Sep 18 to Oct 9
Sow outdoors: Mar 27 to Apr 17Plant for fall: Aug 28 to Sep 11
Sow outdoors: Mar 27 to Apr 10
Transplant outside: Apr 3 to Apr 24
Plant for fall: Oct 30 to Dec 4
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Duncanville, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 26 – Jan 9 | Feb 20 – Mar 6 | — | — |
| Peppers | Jan 9 – Jan 23 | Apr 3 – Apr 17 | — | — |
| Eggplant | Jan 9 – Jan 23 | Apr 3 – Apr 17 | — | — |
| Tomatoes | Jan 23 – Feb 6 | Mar 27 – Apr 10 | — | — |
| Lettuce | Jan 23 – Feb 6 | Feb 27 – Mar 13 | Feb 20 – Mar 27 | Sep 18 – Oct 16 |
| Kale | Jan 23 – Feb 6 | Feb 20 – Mar 6 | Feb 20 – Mar 6 | Sep 4 – Sep 25 |
| Broccoli | Jan 23 – Feb 6 | Mar 6 – Mar 20 | — | Aug 7 – Aug 28 |
| Cabbage | Jan 23 – Feb 6 | Feb 27 – Mar 13 | — | Aug 7 – Aug 28 |
| Cauliflower | Jan 23 – Feb 6 | Mar 6 – Mar 20 | — | Aug 7 – Aug 28 |
| Okra | Feb 6 – Feb 20 | Apr 10 – Apr 24 | Apr 10 – Apr 24 | — |
| Basil | Feb 6 – Feb 20 | Mar 27 – Apr 10 | — | — |
| Peas | — | — | Feb 6 – Feb 27 | Aug 21 – Sep 11 |
| Spinach | — | — | Feb 6 – Feb 27 | Sep 18 – Oct 9 |
| Radishes | — | — | Feb 13 – Mar 27 | Oct 2 – Oct 23 |
| Cucumbers | Feb 20 – Feb 27 | Apr 3 – Apr 10 | Mar 27 – Apr 10 | Aug 28 – Sep 11 |
| Zucchini & Summer Squash | Feb 20 – Feb 27 | — | Mar 27 – Apr 10 | Sep 4 – Sep 18 |
| Winter Squash & Pumpkins | Feb 20 – Feb 27 | — | Mar 27 – Apr 10 | — |
| Melons & Watermelon | Feb 20 – Feb 27 | Apr 3 – Apr 17 | — | — |
| Carrots | — | — | Feb 27 – Mar 27 | Aug 21 – Sep 4 |
| Beets | — | — | Feb 27 – Mar 27 | Sep 4 – Sep 18 |
| Potatoes | — | — | Feb 27 – Mar 20 | — |
| Swiss Chard | — | — | Mar 6 – Apr 3 | Sep 4 – Sep 18 |
| Cilantro | — | — | Mar 6 – Mar 27 | Sep 18 – Oct 9 |
| Green Beans | — | — | Mar 27 – Apr 17 | Aug 28 – Sep 11 |
| Sweet Corn | — | — | Mar 27 – Apr 10 | — |
| Sweet Potatoes | — | Apr 3 – Apr 24 | — | — |
| Garlic | — | — | — | Oct 30 – Dec 4 |
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 Joe Pool Lake, TX weather station, 6 km away (elevation 591 ft (180 m)).
ZIP codes in Duncanville: 75116 75137 75138
Frost dates near Duncanville
- Cedar Hill Mar 20 · Nov 13
- Desoto Mar 6 · Nov 25
- Grand Prairie Mar 20 · Nov 13
- Lancaster Mar 6 · Nov 25
- Red Oak Mar 16 · Nov 16
- Hutchins Mar 12 · Nov 19
- Midlothian Mar 16 · Nov 16
- Dallas Mar 2 · Nov 29
Frequently asked questions
When is the last frost in Duncanville, TX?
The median last spring frost in Duncanville, TX is March 20. There is still about a 10% chance of frost after April 8, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Duncanville, TX?
The median first fall frost is November 13, with about a 10% chance of frost before October 27.
How long is the growing season in Duncanville, TX?
About 238 days between the median last spring frost and first fall frost.
What planting zone is Duncanville, TX?
Duncanville, TX is in USDA hardiness zone 8b.