Frost Dates for Irving, TX
In Irving, TX, the average last spring frost is around Mar 8 and the average first fall frost around Nov 24, for a growing season of about 262 days. For frost-tender plants, wait until Mar 26, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Dallas Ft Worth Airport, TX weather station, 4 miles away, elevation 560 ft. Frost can come earlier in low spots and valleys and later near cities and large lakes.
Frost probability by date
Chance of a 32°F frost after the spring date, or before the fall date.
| Chance | Last spring frost | First fall frost |
|---|---|---|
| 10% | Mar 26 | Nov 6 |
| 20% | Mar 19 | Nov 11 |
| 30% | Mar 15 | Nov 15 |
| 40% | Mar 12 | Nov 19 |
| 50% | Mar 8 | Nov 24 |
| 60% | Mar 4 | Nov 28 |
| 70% | Feb 28 | Dec 2 |
| 80% | Feb 24 | Dec 5 |
| 90% | Feb 17 | Dec 12 |
Light frost vs. hard freeze
Average (50%) dates for each temperature. Tender plants are damaged at 36°F; most hardy crops survive until 28°F.
| Temperature | Last in spring | First in fall |
|---|---|---|
| Light frost (36°F) | Mar 21 | Nov 13 |
| Frost / freeze (32°F) | Mar 8 | Nov 24 |
| Hard freeze (28°F) | Feb 25 | Dec 7 |
Planting calendar for Irving
Transplant Mar 15 – Mar 29
Transplant Mar 22 – Apr 5
Transplant Mar 22 – Apr 5
Transplant Mar 15 – Mar 29
Sow or transplant Mar 15 – Mar 29
Sow or transplant Mar 15 – Mar 29
Sow or transplant Mar 22 – Apr 5
Sow or transplant Feb 8 – Feb 22
Fall sowing Sep 29 – Oct 27
Fall sowing Sep 29 – Oct 20
Fall sowing Sep 15 – Sep 29
Sow or transplant Feb 8 – Feb 22
Fall sowing Sep 15 – Oct 13
Transplant Feb 22 – Mar 8
Fall sowing Sep 1 – Sep 15
Transplant Feb 15 – Mar 1
Fall sowing Sep 1 – Sep 15
Fall sowing Sep 1 – Sep 15
Fall sowing Oct 13 – Nov 3
Fall sowing Sep 15 – Sep 29
Plant Feb 8 – Feb 22
Based on the average last frost (Mar 8) and first frost (Nov 24). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.