Frost dates for 75116 — Duncanville, TX
How Duncanville compares
- In 8 years out of 10, the last spring frost in Duncanville falls between February 15 and March 26, a 39-day window. The first fall frost falls between November 6 and December 14.
- The median last frost is 9 days earlier than the Texas median of Mar 15.
- Its 264-day growing season is longer than 78% 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 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 27 nights a year at or below 32°F.
- Duncanville shares its weather station with Desoto, TX, 8 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 15 |
| 50% (median) | March 6 |
| 10% (safe for tender plants) | March 26 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 6 |
| 50% (median) | November 25 |
| 90% (late) | December 14 |
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 75116 — Duncanville, TX — last frost Mar 6, first frost Nov 25, zone 8b. whenisthelastfrost.com
When to plant vegetables in Duncanville, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 12 – Dec 26 | Feb 6 – Feb 20 | — | — |
| Peppers | Dec 26 – Jan 9 | Mar 20 – Apr 3 | — | — |
| Eggplant | Dec 26 – Jan 9 | Mar 20 – Apr 3 | — | — |
| Tomatoes | Jan 9 – Jan 23 | Mar 13 – Mar 27 | — | — |
| Lettuce | Jan 9 – Jan 23 | Feb 13 – Feb 27 | Feb 6 – Mar 13 | Sep 30 – Oct 28 |
| Kale | Jan 9 – Jan 23 | Feb 6 – Feb 20 | Feb 6 – Feb 20 | Sep 16 – Oct 7 |
| Broccoli | Jan 9 – Jan 23 | Feb 20 – Mar 6 | — | Aug 19 – Sep 9 |
| Cabbage | Jan 9 – Jan 23 | Feb 13 – Feb 27 | — | Aug 19 – Sep 9 |
| Cauliflower | Jan 9 – Jan 23 | Feb 20 – Mar 6 | — | Aug 19 – Sep 9 |
| Okra | Jan 23 – Feb 6 | Mar 27 – Apr 10 | Mar 27 – Apr 10 | — |
| Basil | Jan 23 – Feb 6 | Mar 13 – Mar 27 | — | — |
| Peas | — | — | Jan 23 – Feb 13 | Sep 2 – Sep 23 |
| Spinach | — | — | Jan 23 – Feb 13 | Sep 30 – Oct 21 |
| Radishes | — | — | Jan 30 – Mar 13 | Oct 14 – Nov 4 |
| Cucumbers | Feb 6 – Feb 13 | Mar 20 – Mar 27 | Mar 13 – Mar 27 | Sep 9 – Sep 23 |
| Zucchini & Summer Squash | Feb 6 – Feb 13 | — | Mar 13 – Mar 27 | Sep 16 – Sep 30 |
| Winter Squash & Pumpkins | Feb 6 – Feb 13 | — | Mar 13 – Mar 27 | — |
| Melons & Watermelon | Feb 6 – Feb 13 | Mar 20 – Apr 3 | — | — |
| Carrots | — | — | Feb 13 – Mar 13 | Sep 2 – Sep 16 |
| Beets | — | — | Feb 13 – Mar 13 | Sep 16 – Sep 30 |
| Potatoes | — | — | Feb 13 – Mar 6 | — |
| Swiss Chard | — | — | Feb 20 – Mar 20 | Sep 16 – Sep 30 |
| Cilantro | — | — | Feb 20 – Mar 13 | Sep 30 – Oct 21 |
| Green Beans | — | — | Mar 13 – Apr 3 | Sep 9 – Sep 23 |
| Sweet Corn | — | — | Mar 13 – Mar 27 | — |
| Sweet Potatoes | — | Mar 20 – Apr 10 | — | — |
| Garlic | — | — | — | Nov 11 – Dec 16 |
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 Dallas Redbird Ap, TX weather station, 5 km away (elevation 659 ft (201 m)).
ZIP codes in Duncanville: 75116 75137 75138
Frost dates near Duncanville
- Desoto Mar 6 · Nov 25
- Cedar Hill Mar 20 · Nov 13
- Grand Prairie Mar 20 · Nov 13
- Lancaster Mar 6 · Nov 25
- Red Oak Mar 16 · Nov 16
- Dallas Mar 2 · Nov 29
- Hutchins Mar 12 · Nov 19
- Irving 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 6. There is still about a 10% chance of frost after March 26, 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 25, with about a 10% chance of frost before November 6.
How long is the growing season in Duncanville, TX?
About 264 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.