When to plant in Mansfield, TX
USDA Zone 8bMansfield, Texas frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Mansfield enjoys a long ~257-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 8b means many perennials and even some tender shrubs overwinter in Mansfield, while your frost dates still decide when annuals go out.
Frost probability
ARLINGTON MUNI AP · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Mansfield’s own odds, recorded at ARLINGTON MUNI AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 15 | Mar 24 | Mar 3 | Oct 22 | Nov 8 | Nov 26 |
| 32°F | Mar 28 | Mar 9 | Feb 18 | Nov 3 | Nov 21 | Dec 7 |
| 28°F | Mar 14 | Feb 25 | Jan 29 | Nov 14 | Dec 4 | Dec 30 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Mansfield, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Mansfield planting FAQ
When is the last spring frost in Mansfield, TX?
On average, the last spring frost in Mansfield is around March 9 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Mansfield, TX?
The first fall frost in Mansfield typically arrives around November 21 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Mansfield in?
Mansfield is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Mansfield?
There are roughly 257 frost-free days in Mansfield (a long growing season), running from the average last frost around March 9 to the first fall frost near November 21.
When should I plant tomatoes in Mansfield?
In Mansfield, start tomato seeds indoors around January 12–January 26, then transplant seedlings outdoors around March 16 once the danger of frost has passed.
Never miss a window in Mansfield
An email when it’s time to start seeds, transplant, and sow — timed to Mansfield’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Rendon · 11 km
- Arlington · 15 km
- Cedar Hill · 15 km
- Grand Prairie · 15 km
- Midlothian · 17 km
- Forest Hill · 17 km
- Burleson · 20 km
- Duncanville · 21 km
Frost dates recorded at ARLINGTON MUNI AP, 11 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Mansfield, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00053907. Retrieved from https://blissgarden.com/texas/mansfield.