When to plant in Irving, TX
USDA Zone 8bEverything below — frost dates, hardiness zone, and what to plant when in Irving, Texas — is derived from the closest NOAA station with complete climate normals.
Irving enjoys a long ~261-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. In zone 8b, Irving supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
DALLAS FT WORTH 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 Irving’s own odds, recorded at DALLAS FT WORTH AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 9 | Mar 21 | Mar 2 | Oct 30 | Nov 13 | Nov 30 |
| 32°F | Mar 26 | Mar 8 | Feb 17 | Nov 6 | Nov 24 | Dec 12 |
| 28°F | Mar 14 | Feb 25 | Jan 30 | Nov 15 | Dec 7 | Dec 28 |
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 Irving, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 13 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.
Irving planting FAQ
When is the last spring frost in Irving, TX?
Plan for the last spring frost in Irving around March 8 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Irving, TX?
The first fall frost in Irving typically arrives around November 24 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Irving in?
Irving is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Irving?
Irving has about 261 frost-free days — a long growing season — between the average last spring frost (March 8) and first fall frost (November 24).
When should I plant tomatoes in Irving?
For Irving, sow tomatoes indoors about January 11–January 25 and move the seedlings out around March 15, after the last spring frost.
Never miss a window in Irving
An email when it’s time to start seeds, transplant, and sow — timed to Irving’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Euless · 10 km
- Farmers Branch · 12 km
- Coppell · 12 km
- Grapevine · 13 km
- Bedford · 15 km
- Carrollton · 16 km
- University Park · 16 km
- Colleyville · 17 km
Frost dates recorded at DALLAS FT WORTH AP, 6 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 Irving, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00003927. Retrieved from https://blissgarden.com/texas/irving.